Merge branch 'master' into devel

353 files changed, 5353 insertions, 3511 deletions

diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 7a0f4aa4fa1e..9a62224cc278 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -38,6 +38,9 @@
 
 #define _COMPONENT		ACPI_MEMORY_DEVICE_COMPONENT
 
+#undef PREFIX
+#define 	PREFIX		"ACPI:memory_hp:"
+
 ACPI_MODULE_NAME("acpi_memhotplug");
 MODULE_AUTHOR("Naveen B S <naveen.b.s@intel.com>");
 MODULE_DESCRIPTION("Hotplug Mem Driver");
@@ -153,6 +156,7 @@ acpi_memory_get_device(acpi_handle handle,
 	acpi_handle phandle;
 	struct acpi_device *device = NULL;
 	struct acpi_device *pdevice = NULL;
+	int result;
 
 
 	if (!acpi_bus_get_device(handle, &device) && device)
@@ -165,9 +169,9 @@ acpi_memory_get_device(acpi_handle handle,
 	}
 
 	/* Get the parent device */
-	status = acpi_bus_get_device(phandle, &pdevice);
-	if (ACPI_FAILURE(status)) {
-		ACPI_EXCEPTION((AE_INFO, status, "Cannot get acpi bus device"));
+	result = acpi_bus_get_device(phandle, &pdevice);
+	if (result) {
+		printk(KERN_WARNING PREFIX "Cannot get acpi bus device");
 		return -EINVAL;
 	}
 
@@ -175,9 +179,9 @@ acpi_memory_get_device(acpi_handle handle,
 	 * Now add the notified device.  This creates the acpi_device
 	 * and invokes .add function
 	 */
-	status = acpi_bus_add(&device, pdevice, handle, ACPI_BUS_TYPE_DEVICE);
-	if (ACPI_FAILURE(status)) {
-		ACPI_EXCEPTION((AE_INFO, status, "Cannot add acpi bus"));
+	result = acpi_bus_add(&device, pdevice, handle, ACPI_BUS_TYPE_DEVICE);
+	if (result) {
+		printk(KERN_WARNING PREFIX "Cannot add acpi bus");
 		return -EINVAL;
 	}
 
@@ -238,7 +242,12 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
 			num_enabled++;
 			continue;
 		}
-
+		/*
+		 * If the memory block size is zero, please ignore it.
+		 * Don't try to do the following memory hotplug flowchart.
+		 */
+		if (!info->length)
+			continue;
 		if (node < 0)
 			node = memory_add_physaddr_to_nid(info->start_addr);
 
@@ -253,8 +262,15 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
 		mem_device->state = MEMORY_INVALID_STATE;
 		return -EINVAL;
 	}
-
-	return result;
+	/*
+	 * Sometimes the memory device will contain several memory blocks.
+	 * When one memory block is hot-added to the system memory, it will
+	 * be regarded as a success.
+	 * Otherwise if the last memory block can't be hot-added to the system
+	 * memory, it will be failure and the memory device can't be bound with
+	 * driver.
+	 */
+	return 0;
 }
 
 static int acpi_memory_powerdown_device(struct acpi_memory_device *mem_device)
diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h
index 544dcf834922..eb6f038b03d9 100644
--- a/drivers/acpi/acpica/acobject.h
+++ b/drivers/acpi/acpica/acobject.h
@@ -97,6 +97,7 @@
 #define AOPOBJ_OBJECT_INITIALIZED   0x08
 #define AOPOBJ_SETUP_COMPLETE       0x10
 #define AOPOBJ_SINGLE_DATUM         0x20
+#define AOPOBJ_INVALID              0x40	/* Used if host OS won't allow an op_region address */
 
 /******************************************************************************
  *
diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c
index 584d766e6f12..b79978f7bc71 100644
--- a/drivers/acpi/acpica/dsopcode.c
+++ b/drivers/acpi/acpica/dsopcode.c
@@ -397,6 +397,30 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
 	status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
 					   extra_desc->extra.aml_length,
 					   extra_desc->extra.aml_start);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
+
+	/* Validate the region address/length via the host OS */
+
+	status = acpi_os_validate_address(obj_desc->region.space_id,
+					  obj_desc->region.address,
+					  (acpi_size) obj_desc->region.length,
+					  acpi_ut_get_node_name(node));
+
+	if (ACPI_FAILURE(status)) {
+		/*
+		 * Invalid address/length. We will emit an error message and mark
+		 * the region as invalid, so that it will cause an additional error if
+		 * it is ever used. Then return AE_OK.
+		 */
+		ACPI_EXCEPTION((AE_INFO, status,
+				"During address validation of OpRegion [%4.4s]",
+				node->name.ascii));
+		obj_desc->common.flags |= AOPOBJ_INVALID;
+		status = AE_OK;
+	}
+
 	return_ACPI_STATUS(status);
 }
 
diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c
index d4075b821021..6687be167f5f 100644
--- a/drivers/acpi/acpica/exfldio.c
+++ b/drivers/acpi/acpica/exfldio.c
@@ -113,6 +113,12 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc,
 		}
 	}
 
+	/* Exit if Address/Length have been disallowed by the host OS */
+
+	if (rgn_desc->common.flags & AOPOBJ_INVALID) {
+		return_ACPI_STATUS(AE_AML_ILLEGAL_ADDRESS);
+	}
+
 	/*
 	 * Exit now for SMBus address space, it has a non-linear address space
 	 * and the request cannot be directly validated
diff --git a/drivers/acpi/acpica/exstorob.c b/drivers/acpi/acpica/exstorob.c
index 67340cc70142..257706e7734f 100644
--- a/drivers/acpi/acpica/exstorob.c
+++ b/drivers/acpi/acpica/exstorob.c
@@ -70,6 +70,12 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
 
 	ACPI_FUNCTION_TRACE_PTR(ex_store_buffer_to_buffer, source_desc);
 
+	/* If Source and Target are the same, just return */
+
+	if (source_desc == target_desc) {
+		return_ACPI_STATUS(AE_OK);
+	}
+
 	/* We know that source_desc is a buffer by now */
 
 	buffer = ACPI_CAST_PTR(u8, source_desc->buffer.pointer);
@@ -161,6 +167,12 @@ acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
 
 	ACPI_FUNCTION_TRACE_PTR(ex_store_string_to_string, source_desc);
 
+	/* If Source and Target are the same, just return */
+
+	if (source_desc == target_desc) {
+		return_ACPI_STATUS(AE_OK);
+	}
+
 	/* We know that source_desc is a string by now */
 
 	buffer = ACPI_CAST_PTR(u8, source_desc->string.pointer);
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 71670719d61a..5691f165a952 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -189,11 +189,36 @@ acpi_status __init acpi_os_initialize(void)
 	return AE_OK;
 }
 
+static void bind_to_cpu0(struct work_struct *work)
+{
+	set_cpus_allowed(current, cpumask_of_cpu(0));
+	kfree(work);
+}
+
+static void bind_workqueue(struct workqueue_struct *wq)
+{
+	struct work_struct *work;
+
+	work = kzalloc(sizeof(struct work_struct), GFP_KERNEL);
+	INIT_WORK(work, bind_to_cpu0);
+	queue_work(wq, work);
+}
+
 acpi_status acpi_os_initialize1(void)
 {
+	/*
+	 * On some machines, a software-initiated SMI causes corruption unless
+	 * the SMI runs on CPU 0.  An SMI can be initiated by any AML, but
+	 * typically it's done in GPE-related methods that are run via
+	 * workqueues, so we can avoid the known corruption cases by binding
+	 * the workqueues to CPU 0.
+	 */
 	kacpid_wq = create_singlethread_workqueue("kacpid");
+	bind_workqueue(kacpid_wq);
 	kacpi_notify_wq = create_singlethread_workqueue("kacpi_notify");
+	bind_workqueue(kacpi_notify_wq);
 	kacpi_hotplug_wq = create_singlethread_workqueue("kacpi_hotplug");
+	bind_workqueue(kacpi_hotplug_wq);
 	BUG_ON(!kacpid_wq);
 	BUG_ON(!kacpi_notify_wq);
 	BUG_ON(!kacpi_hotplug_wq);
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 84e0f3c07442..2cc4b3033872 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -1151,6 +1151,9 @@ static int __init acpi_processor_init(void)
 {
 	int result = 0;
 
+	if (acpi_disabled)
+		return 0;
+
 	memset(&errata, 0, sizeof(errata));
 
 #ifdef CONFIG_SMP
@@ -1197,6 +1200,9 @@ out_proc:
 
 static void __exit acpi_processor_exit(void)
 {
+	if (acpi_disabled)
+		return;
+
 	acpi_processor_ppc_exit();
 
 	acpi_thermal_cpufreq_exit();
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 0efa59e7e3af..66393d5c4c7c 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -162,8 +162,9 @@ static void lapic_timer_check_state(int state, struct acpi_processor *pr,
 		pr->power.timer_broadcast_on_state = state;
 }
 
-static void lapic_timer_propagate_broadcast(struct acpi_processor *pr)
+static void lapic_timer_propagate_broadcast(void *arg)
 {
+	struct acpi_processor *pr = (struct acpi_processor *) arg;
 	unsigned long reason;
 
 	reason = pr->power.timer_broadcast_on_state < INT_MAX ?
@@ -635,7 +636,8 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
 		working++;
 	}
 
-	lapic_timer_propagate_broadcast(pr);
+	smp_call_function_single(pr->id, lapic_timer_propagate_broadcast,
+				 pr, 1);
 
 	return (working);
 }
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
index 39838c666032..31adda1099e0 100644
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -66,7 +66,7 @@ static int acpi_processor_apply_limit(struct acpi_processor *pr)
 		if (pr->limit.thermal.tx > tx)
 			tx = pr->limit.thermal.tx;
 
-		result = acpi_processor_set_throttling(pr, tx);
+		result = acpi_processor_set_throttling(pr, tx, false);
 		if (result)
 			goto end;
 	}
@@ -421,12 +421,12 @@ processor_set_cur_state(struct thermal_cooling_device *cdev,
 
 	if (state <= max_pstate) {
 		if (pr->flags.throttling && pr->throttling.state)
-			result = acpi_processor_set_throttling(pr, 0);
+			result = acpi_processor_set_throttling(pr, 0, false);
 		cpufreq_set_cur_state(pr->id, state);
 	} else {
 		cpufreq_set_cur_state(pr->id, max_pstate);
 		result = acpi_processor_set_throttling(pr,
-				state - max_pstate);
+				state - max_pstate, false);
 	}
 	return result;
 }
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 227543789ba9..ae39797aab55 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -62,7 +62,8 @@ struct throttling_tstate {
 #define THROTTLING_POSTCHANGE      (2)
 
 static int acpi_processor_get_throttling(struct acpi_processor *pr);
-int acpi_processor_set_throttling(struct acpi_processor *pr, int state);
+int acpi_processor_set_throttling(struct acpi_processor *pr,
+						int state, bool force);
 
 static int acpi_processor_update_tsd_coord(void)
 {
@@ -361,7 +362,7 @@ int acpi_processor_tstate_has_changed(struct acpi_processor *pr)
 		 */
 		target_state = throttling_limit;
 	}
-	return acpi_processor_set_throttling(pr, target_state);
+	return acpi_processor_set_throttling(pr, target_state, false);
 }
 
 /*
@@ -839,10 +840,10 @@ static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr)
 	if (ret >= 0) {
 		state = acpi_get_throttling_state(pr, value);
 		if (state == -1) {
-			ACPI_WARNING((AE_INFO,
-				"Invalid throttling state, reset"));
+			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+				"Invalid throttling state, reset\n"));
 			state = 0;
-			ret = acpi_processor_set_throttling(pr, state);
+			ret = acpi_processor_set_throttling(pr, state, true);
 			if (ret)
 				return ret;
 		}
@@ -915,7 +916,7 @@ static int acpi_processor_get_fadt_info(struct acpi_processor *pr)
 }
 
 static int acpi_processor_set_throttling_fadt(struct acpi_processor *pr,
-					      int state)
+					      int state, bool force)
 {
 	u32 value = 0;
 	u32 duty_mask = 0;
@@ -930,7 +931,7 @@ static int acpi_processor_set_throttling_fadt(struct acpi_processor *pr,
 	if (!pr->flags.throttling)
 		return -ENODEV;
 
-	if (state == pr->throttling.state)
+	if (!force && (state == pr->throttling.state))
 		return 0;
 
 	if (state < pr->throttling_platform_limit)
@@ -988,7 +989,7 @@ static int acpi_processor_set_throttling_fadt(struct acpi_processor *pr,
 }
 
 static int acpi_processor_set_throttling_ptc(struct acpi_processor *pr,
-					     int state)
+					     int state, bool force)
 {
 	int ret;
 	acpi_integer value;
@@ -1002,7 +1003,7 @@ static int acpi_processor_set_throttling_ptc(struct acpi_processor *pr,
 	if (!pr->flags.throttling)
 		return -ENODEV;
 
-	if (state == pr->throttling.state)
+	if (!force && (state == pr->throttling.state))
 		return 0;
 
 	if (state < pr->throttling_platform_limit)
@@ -1018,7 +1019,8 @@ static int acpi_processor_set_throttling_ptc(struct acpi_processor *pr,
 	return 0;
 }
 
-int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
+int acpi_processor_set_throttling(struct acpi_processor *pr,
+						int state, bool force)
 {
 	cpumask_var_t saved_mask;
 	int ret = 0;
@@ -1070,7 +1072,7 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
 		/* FIXME: use work_on_cpu() */
 		set_cpus_allowed_ptr(current, cpumask_of(pr->id));
 		ret = p_throttling->acpi_processor_set_throttling(pr,
-						t_state.target_state);
+						t_state.target_state, force);
 	} else {
 		/*
 		 * When the T-state coordination is SW_ALL or HW_ALL,
@@ -1103,7 +1105,7 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
 			set_cpus_allowed_ptr(current, cpumask_of(i));
 			ret = match_pr->throttling.
 				acpi_processor_set_throttling(
-				match_pr, t_state.target_state);
+				match_pr, t_state.target_state, force);
 		}
 	}
 	/*
@@ -1201,7 +1203,7 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr)
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
 				  "Disabling throttling (was T%d)\n",
 				  pr->throttling.state));
-		result = acpi_processor_set_throttling(pr, 0);
+		result = acpi_processor_set_throttling(pr, 0, false);
 		if (result)
 			goto end;
 	}
@@ -1307,7 +1309,7 @@ static ssize_t acpi_processor_write_throttling(struct file *file,
 	if (strcmp(tmpbuf, charp) != 0)
 		return -EINVAL;
 
-	result = acpi_processor_set_throttling(pr, state_val);
+	result = acpi_processor_set_throttling(pr, state_val, false);
 	if (result)
 		return result;
 
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index 0944daec064f..9c61ab2177cf 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -121,7 +121,7 @@ static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
 	table_attr->attr.size = 0;
 	table_attr->attr.read = acpi_table_show;
 	table_attr->attr.attr.name = table_attr->name;
-	table_attr->attr.attr.mode = 0444;
+	table_attr->attr.attr.mode = 0400;
 
 	return;
 }
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 8851315ce858..60ea984c84a0 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -2004,8 +2004,11 @@ static int acpi_video_bus_put_one_device(struct acpi_video_device *device)
 	status = acpi_remove_notify_handler(device->dev->handle,
 					    ACPI_DEVICE_NOTIFY,
 					    acpi_video_device_notify);
-	sysfs_remove_link(&device->backlight->dev.kobj, "device");
-	backlight_device_unregister(device->backlight);
+	if (device->backlight) {
+		sysfs_remove_link(&device->backlight->dev.kobj, "device");
+		backlight_device_unregister(device->backlight);
+		device->backlight = NULL;
+	}
 	if (device->cdev) {
 		sysfs_remove_link(&device->dev->dev.kobj,
 				  "thermal_cooling");
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 958c1fa41900..fe3eba5d6b3e 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -219,6 +219,8 @@ enum {
 	AHCI_HFLAG_SECT255		= (1 << 8), /* max 255 sectors */
 	AHCI_HFLAG_YES_NCQ		= (1 << 9), /* force NCQ cap on */
 	AHCI_HFLAG_NO_SUSPEND		= (1 << 10), /* don't suspend */
+	AHCI_HFLAG_SRST_TOUT_IS_OFFLINE	= (1 << 11), /* treat SRST timeout as
+							link offline */
 
 	/* ap->flags bits */
 
@@ -1663,6 +1665,7 @@ static int ahci_do_softreset(struct ata_link *link, unsigned int *class,
 			     int (*check_ready)(struct ata_link *link))
 {
 	struct ata_port *ap = link->ap;
+	struct ahci_host_priv *hpriv = ap->host->private_data;
 	const char *reason = NULL;
 	unsigned long now, msecs;
 	struct ata_taskfile tf;
@@ -1701,12 +1704,21 @@ static int ahci_do_softreset(struct ata_link *link, unsigned int *class,
 
 	/* wait for link to become ready */
 	rc = ata_wait_after_reset(link, deadline, check_ready);
-	/* link occupied, -ENODEV too is an error */
-	if (rc) {
+	if (rc == -EBUSY && hpriv->flags & AHCI_HFLAG_SRST_TOUT_IS_OFFLINE) {
+		/*
+		 * Workaround for cases where link online status can't
+		 * be trusted.  Treat device readiness timeout as link
+		 * offline.
+		 */
+		ata_link_printk(link, KERN_INFO,
+				"device not ready, treating as offline\n");
+		*class = ATA_DEV_NONE;
+	} else if (rc) {
+		/* link occupied, -ENODEV too is an error */
 		reason = "device not ready";
 		goto fail;
-	}
-	*class = ahci_dev_classify(ap);
+	} else
+		*class = ahci_dev_classify(ap);
 
 	DPRINTK("EXIT, class=%u\n", *class);
 	return 0;
@@ -1773,7 +1785,8 @@ static int ahci_sb600_softreset(struct ata_link *link, unsigned int *class,
 		irq_sts = readl(port_mmio + PORT_IRQ_STAT);
 		if (irq_sts & PORT_IRQ_BAD_PMP) {
 			ata_link_printk(link, KERN_WARNING,
-					"failed due to HW bug, retry pmp=0\n");
+					"applying SB600 PMP SRST workaround "
+					"and retrying\n");
 			rc = ahci_do_softreset(link, class, 0, deadline,
 					       ahci_check_ready);
 		}
@@ -2726,6 +2739,56 @@ static bool ahci_broken_suspend(struct pci_dev *pdev)
 	return !ver || strcmp(ver, dmi->driver_data) < 0;
 }
 
+static bool ahci_broken_online(struct pci_dev *pdev)
+{
+#define ENCODE_BUSDEVFN(bus, slot, func)			\
+	(void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
+	static const struct dmi_system_id sysids[] = {
+		/*
+		 * There are several gigabyte boards which use
+		 * SIMG5723s configured as hardware RAID.  Certain
+		 * 5723 firmware revisions shipped there keep the link
+		 * online but fail to answer properly to SRST or
+		 * IDENTIFY when no device is attached downstream
+		 * causing libata to retry quite a few times leading
+		 * to excessive detection delay.
+		 *
+		 * As these firmwares respond to the second reset try
+		 * with invalid device signature, considering unknown
+		 * sig as offline works around the problem acceptably.
+		 */
+		{
+			.ident = "EP45-DQ6",
+			.matches = {
+				DMI_MATCH(DMI_BOARD_VENDOR,
+					  "Gigabyte Technology Co., Ltd."),
+				DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
+			},
+			.driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
+		},
+		{
+			.ident = "EP45-DS5",
+			.matches = {
+				DMI_MATCH(DMI_BOARD_VENDOR,
+					  "Gigabyte Technology Co., Ltd."),
+				DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
+			},
+			.driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
+		},
+		{ }	/* terminate list */
+	};
+#undef ENCODE_BUSDEVFN
+	const struct dmi_system_id *dmi = dmi_first_match(sysids);
+	unsigned int val;
+
+	if (!dmi)
+		return false;
+
+	val = (unsigned long)dmi->driver_data;
+
+	return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
+}
+
 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	static int printed_version;
@@ -2841,6 +2904,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 			   "BIOS update required for suspend/resume\n");
 	}
 
+	if (ahci_broken_online(pdev)) {
+		hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
+		dev_info(&pdev->dev,
+			 "online status unreliable, applying workaround\n");
+	}
+
 	/* CAP.NP sometimes indicate the index of the last enabled
 	 * port, at other times, that of the last possible port, so
 	 * determining the maximum port number requires looking at
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 56b8a3ff1286..9ac4e378992e 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -664,6 +664,8 @@ static int piix_pata_prereset(struct ata_link *link, unsigned long deadline)
 	return ata_sff_prereset(link, deadline);
 }
 
+static DEFINE_SPINLOCK(piix_lock);
+
 /**
  *	piix_set_piomode - Initialize host controller PATA PIO timings
  *	@ap: Port whose timings we are configuring
@@ -677,8 +679,9 @@ static int piix_pata_prereset(struct ata_link *link, unsigned long deadline)
 
 static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev)
 {
-	unsigned int pio	= adev->pio_mode - XFER_PIO_0;
 	struct pci_dev *dev	= to_pci_dev(ap->host->dev);
+	unsigned long flags;
+	unsigned int pio	= adev->pio_mode - XFER_PIO_0;
 	unsigned int is_slave	= (adev->devno != 0);
 	unsigned int master_port= ap->port_no ? 0x42 : 0x40;
 	unsigned int slave_port	= 0x44;
@@ -708,6 +711,8 @@ static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev)
 	if (adev->class == ATA_DEV_ATA)
 		control |= 4;	/* PPE enable */
 
+	spin_lock_irqsave(&piix_lock, flags);
+
 	/* PIO configuration clears DTE unconditionally.  It will be
 	 * programmed in set_dmamode which is guaranteed to be called
 	 * after set_piomode if any DMA mode is available.
@@ -747,6 +752,8 @@ static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev)
 		udma_enable &= ~(1 << (2 * ap->port_no + adev->devno));
 		pci_write_config_byte(dev, 0x48, udma_enable);
 	}
+
+	spin_unlock_irqrestore(&piix_lock, flags);
 }
 
 /**
@@ -764,6 +771,7 @@ static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev)
 static void do_pata_set_dmamode(struct ata_port *ap, struct ata_device *adev, int isich)
 {
 	struct pci_dev *dev	= to_pci_dev(ap->host->dev);
+	unsigned long flags;
 	u8 master_port		= ap->port_no ? 0x42 : 0x40;
 	u16 master_data;
 	u8 speed		= adev->dma_mode;
@@ -777,6 +785,8 @@ static void do_pata_set_dmamode(struct ata_port *ap, struct ata_device *adev, in
 			    { 2, 1 },
 			    { 2, 3 }, };
 
+	spin_lock_irqsave(&piix_lock, flags);
+
 	pci_read_config_word(dev, master_port, &master_data);
 	if (ap->udma_mask)
 		pci_read_config_byte(dev, 0x48, &udma_enable);
@@ -867,6 +877,8 @@ static void do_pata_set_dmamode(struct ata_port *ap, struct ata_device *adev, in
 	/* Don't scribble on 0x48 if the controller does not support UDMA */
 	if (ap->udma_mask)
 		pci_write_config_byte(dev, 0x48, udma_enable);
+
+	spin_unlock_irqrestore(&piix_lock, flags);
 }
 
 /**
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 8ac98ff16d7d..072ba5ea138f 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4302,6 +4302,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 	{ "WDC WD2500JD-00HBB0", "WD-WMAL71490727", ATA_HORKAGE_BROKEN_HPA },
 	{ "MAXTOR 6L080L4",	"A93.0500",	ATA_HORKAGE_BROKEN_HPA },
 
+	/* this one allows HPA unlocking but fails IOs on the area */
+	{ "OCZ-VERTEX",		    "1.30",	ATA_HORKAGE_BROKEN_HPA },
+
 	/* Devices which report 1 sector over size HPA */
 	{ "ST340823A",		NULL,		ATA_HORKAGE_HPA_SIZE, },
 	{ "ST320413A",		NULL,		ATA_HORKAGE_HPA_SIZE, },
diff --git a/drivers/ata/pata_at91.c b/drivers/ata/pata_at91.c
index 5702affcb325..41c94b1ae493 100644
--- a/drivers/ata/pata_at91.c
+++ b/drivers/ata/pata_at91.c
@@ -250,7 +250,7 @@ static int __devinit pata_at91_probe(struct platform_device *pdev)
 		ata_port_desc(ap, "no IRQ, using PIO polling");
 	}
 
-	info = kzalloc(sizeof(*info), GFP_KERNEL);
+	info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
 
 	if (!info) {
 		dev_err(dev, "failed to allocate memory for private data\n");
@@ -275,7 +275,7 @@ static int __devinit pata_at91_probe(struct platform_device *pdev)
 	if (!info->ide_addr) {
 		dev_err(dev, "failed to map IO base\n");
 		ret = -ENOMEM;
-		goto err_ide_ioremap;
+		goto err_put;
 	}
 
 	info->alt_addr = devm_ioremap(dev,
@@ -284,7 +284,7 @@ static int __devinit pata_at91_probe(struct platform_device *pdev)
 	if (!info->alt_addr) {
 		dev_err(dev, "failed to map CTL base\n");
 		ret = -ENOMEM;
-		goto err_alt_ioremap;
+		goto err_put;
 	}
 
 	ap->ioaddr.cmd_addr = info->ide_addr;
@@ -303,13 +303,8 @@ static int __devinit pata_at91_probe(struct platform_device *pdev)
 			irq ? ata_sff_interrupt : NULL,
 			irq_flags, &pata_at91_sht);
 
-err_alt_ioremap:
-	devm_iounmap(dev, info->ide_addr);
-
-err_ide_ioremap:
+err_put:
 	clk_put(info->mck);
-	kfree(info);
-
 	return ret;
 }
 
@@ -317,7 +312,6 @@ static int __devexit pata_at91_remove(struct platform_device *pdev)
 {
 	struct ata_host *host = dev_get_drvdata(&pdev->dev);
 	struct at91_ide_info *info;
-	struct device *dev = &pdev->dev;
 
 	if (!host)
 		return 0;
@@ -328,11 +322,8 @@ static int __devexit pata_at91_remove(struct platform_device *pdev)
 	if (!info)
 		return 0;
 
-	devm_iounmap(dev, info->ide_addr);
-	devm_iounmap(dev, info->alt_addr);
 	clk_put(info->mck);
 
-	kfree(info);
 	return 0;
 }
 
diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c
index bec0b8ade66d..45915566e4e9 100644
--- a/drivers/ata/pata_atiixp.c
+++ b/drivers/ata/pata_atiixp.c
@@ -1,6 +1,7 @@
 /*
  * pata_atiixp.c 	- ATI PATA for new ATA layer
  *			  (C) 2005 Red Hat Inc
+ *			  (C) 2009 Bartlomiej Zolnierkiewicz
  *
  * Based on
  *
@@ -61,20 +62,19 @@ static void atiixp_set_pio_timing(struct ata_port *ap, struct ata_device *adev,
 
 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
 	int dn = 2 * ap->port_no + adev->devno;
-
-	/* Check this is correct - the order is odd in both drivers */
 	int timing_shift = (16 * ap->port_no) + 8 * (adev->devno ^ 1);
-	u16 pio_mode_data, pio_timing_data;
+	u32 pio_timing_data;
+	u16 pio_mode_data;
 
 	pci_read_config_word(pdev, ATIIXP_IDE_PIO_MODE, &pio_mode_data);
 	pio_mode_data &= ~(0x7 << (4 * dn));
 	pio_mode_data |= pio << (4 * dn);
 	pci_write_config_word(pdev, ATIIXP_IDE_PIO_MODE, pio_mode_data);
 
-	pci_read_config_word(pdev, ATIIXP_IDE_PIO_TIMING, &pio_timing_data);
+	pci_read_config_dword(pdev, ATIIXP_IDE_PIO_TIMING, &pio_timing_data);
 	pio_timing_data &= ~(0xFF << timing_shift);
 	pio_timing_data |= (pio_timings[pio] << timing_shift);
-	pci_write_config_word(pdev, ATIIXP_IDE_PIO_TIMING, pio_timing_data);
+	pci_write_config_dword(pdev, ATIIXP_IDE_PIO_TIMING, pio_timing_data);
 }
 
 /**
@@ -119,16 +119,17 @@ static void atiixp_set_dmamode(struct ata_port *ap, struct ata_device *adev)
 		udma_mode_data |= dma << (4 * dn);
 		pci_write_config_word(pdev, ATIIXP_IDE_UDMA_MODE, udma_mode_data);
 	} else {
-		u16 mwdma_timing_data;
-		/* Check this is correct - the order is odd in both drivers */
 		int timing_shift = (16 * ap->port_no) + 8 * (adev->devno ^ 1);
+		u32 mwdma_timing_data;
 
 		dma -= XFER_MW_DMA_0;
 
-		pci_read_config_word(pdev, ATIIXP_IDE_MWDMA_TIMING, &mwdma_timing_data);
+		pci_read_config_dword(pdev, ATIIXP_IDE_MWDMA_TIMING,
+				      &mwdma_timing_data);
 		mwdma_timing_data &= ~(0xFF << timing_shift);
 		mwdma_timing_data |= (mwdma_timings[dma] << timing_shift);
-		pci_write_config_word(pdev, ATIIXP_IDE_MWDMA_TIMING, mwdma_timing_data);
+		pci_write_config_dword(pdev, ATIIXP_IDE_MWDMA_TIMING,
+				       mwdma_timing_data);
 	}
 	/*
 	 *	We must now look at the PIO mode situation. We may need to
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index b2d11f300c39..86a40582999c 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -602,6 +602,7 @@ MODULE_VERSION(DRV_VERSION);
 
 static int adma_enabled;
 static int swncq_enabled = 1;
+static int msi_enabled;
 
 static void nv_adma_register_mode(struct ata_port *ap)
 {
@@ -2459,6 +2460,11 @@ static int nv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	} else if (type == SWNCQ)
 		nv_swncq_host_init(host);
 
+	if (msi_enabled) {
+		dev_printk(KERN_NOTICE, &pdev->dev, "Using MSI\n");
+		pci_enable_msi(pdev);
+	}
+
 	pci_set_master(pdev);
 	return ata_host_activate(host, pdev->irq, ipriv->irq_handler,
 				 IRQF_SHARED, ipriv->sht);
@@ -2558,4 +2564,6 @@ module_param_named(adma, adma_enabled, bool, 0444);
 MODULE_PARM_DESC(adma, "Enable use of ADMA (Default: false)");
 module_param_named(swncq, swncq_enabled, bool, 0444);
 MODULE_PARM_DESC(swncq, "Enable use of SWNCQ (Default: true)");
+module_param_named(msi, msi_enabled, bool, 0444);
+MODULE_PARM_DESC(msi, "Enable use of MSI (Default: false)");
 
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 81cb01bfc356..456594bd97bc 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -483,9 +483,6 @@ int platform_driver_register(struct platform_driver *drv)
 		drv->driver.remove = platform_drv_remove;
 	if (drv->shutdown)
 		drv->driver.shutdown = platform_drv_shutdown;
-	if (drv->suspend || drv->resume)
-		pr_warning("Platform driver '%s' needs updating - please use "
-			"dev_pm_ops\n", drv->driver.name);
 
 	return driver_register(&drv->driver);
 }
diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c
index f4bb43fb8016..e077701ae3d9 100644
--- a/drivers/char/agp/parisc-agp.c
+++ b/drivers/char/agp/parisc-agp.c
@@ -225,7 +225,7 @@ static const struct agp_bridge_driver parisc_agp_driver = {
 	.configure		= parisc_agp_configure,
 	.fetch_size		= parisc_agp_fetch_size,
 	.tlb_flush		= parisc_agp_tlbflush,
-	.mask_memory		= parisc_agp_mask_memory,
+	.mask_memory		= parisc_agp_page_mask_memory,
 	.masks			= parisc_agp_masks,
 	.agp_enable		= parisc_agp_enable,
 	.cache_flush		= global_cache_flush,
diff --git a/drivers/char/pty.c b/drivers/char/pty.c
index 6e6942c45f5b..d083c73d784a 100644
--- a/drivers/char/pty.c
+++ b/drivers/char/pty.c
@@ -144,6 +144,8 @@ static int pty_write(struct tty_struct *tty, const unsigned char *buf,
 
 static int pty_write_room(struct tty_struct *tty)
 {
+	if (tty->stopped)
+		return 0;
 	return pty_space(tty->link);
 }
 
diff --git a/drivers/char/tty_ldisc.c b/drivers/char/tty_ldisc.c
index acd76b767d4c..e48af9f79219 100644
--- a/drivers/char/tty_ldisc.c
+++ b/drivers/char/tty_ldisc.c
@@ -48,6 +48,41 @@ static DECLARE_WAIT_QUEUE_HEAD(tty_ldisc_wait);
 /* Line disc dispatch table */
 static struct tty_ldisc_ops *tty_ldiscs[NR_LDISCS];
 
+static inline struct tty_ldisc *get_ldisc(struct tty_ldisc *ld)
+{
+	if (ld)
+		atomic_inc(&ld->users);
+	return ld;
+}
+
+static void put_ldisc(struct tty_ldisc *ld)
+{
+	unsigned long flags;
+
+	if (WARN_ON_ONCE(!ld))
+		return;
+
+	/*
+	 * If this is the last user, free the ldisc, and
+	 * release the ldisc ops.
+	 *
+	 * We really want an "atomic_dec_and_lock_irqsave()",
+	 * but we don't have it, so this does it by hand.
+	 */
+	local_irq_save(flags);
+	if (atomic_dec_and_lock(&ld->users, &tty_ldisc_lock)) {
+		struct tty_ldisc_ops *ldo = ld->ops;
+
+		ldo->refcount--;
+		module_put(ldo->owner);
+		spin_unlock_irqrestore(&tty_ldisc_lock, flags);
+
+		kfree(ld);
+		return;
+	}
+	local_irq_restore(flags);
+}
+
 /**
  *	tty_register_ldisc	-	install a line discipline
  *	@disc: ldisc number
@@ -142,7 +177,7 @@ static struct tty_ldisc *tty_ldisc_try_get(int disc)
 			/* lock it */
 			ldops->refcount++;
 			ld->ops = ldops;
-			ld->refcount = 0;
+			atomic_set(&ld->users, 1);
 			err = 0;
 		}
 	}
@@ -181,35 +216,6 @@ static struct tty_ldisc *tty_ldisc_get(int disc)
 	return ld;
 }
 
-/**
- *	tty_ldisc_put		-	drop ldisc reference
- *	@ld: ldisc
- *
- *	Drop a reference to a line discipline. Manage refcounts and
- *	module usage counts. Free the ldisc once the recount hits zero.
- *
- *	Locking:
- *		takes tty_ldisc_lock to guard against ldisc races
- */
-
-static void tty_ldisc_put(struct tty_ldisc *ld)
-{
-	unsigned long flags;
-	int disc = ld->ops->num;
-	struct tty_ldisc_ops *ldo;
-
-	BUG_ON(disc < N_TTY || disc >= NR_LDISCS);
-
-	spin_lock_irqsave(&tty_ldisc_lock, flags);
-	ldo = tty_ldiscs[disc];
-	BUG_ON(ldo->refcount == 0);
-	ldo->refcount--;
-	module_put(ldo->owner);
-	spin_unlock_irqrestore(&tty_ldisc_lock, flags);
-	WARN_ON(ld->refcount);
-	kfree(ld);
-}
-
 static void *tty_ldiscs_seq_start(struct seq_file *m, loff_t *pos)
 {
 	return (*pos < NR_LDISCS) ? pos : NULL;
@@ -234,7 +240,7 @@ static int tty_ldiscs_seq_show(struct seq_file *m, void *v)
 	if (IS_ERR(ld))
 		return 0;
 	seq_printf(m, "%-10s %2d\n", ld->ops->name ? ld->ops->name : "???", i);
-	tty_ldisc_put(ld);
+	put_ldisc(ld);
 	return 0;
 }
 
@@ -288,20 +294,17 @@ static void tty_ldisc_assign(struct tty_struct *tty, struct tty_ldisc *ld)
  *	Locking: takes tty_ldisc_lock
  */
 
-static int tty_ldisc_try(struct tty_struct *tty)
+static struct tty_ldisc *tty_ldisc_try(struct tty_struct *tty)
 {
 	unsigned long flags;
 	struct tty_ldisc *ld;
-	int ret = 0;
 
 	spin_lock_irqsave(&tty_ldisc_lock, flags);
-	ld = tty->ldisc;
-	if (test_bit(TTY_LDISC, &tty->flags)) {
-		ld->refcount++;
-		ret = 1;
-	}
+	ld = NULL;
+	if (test_bit(TTY_LDISC, &tty->flags))
+		ld = get_ldisc(tty->ldisc);
 	spin_unlock_irqrestore(&tty_ldisc_lock, flags);
-	return ret;
+	return ld;
 }
 
 /**
@@ -322,10 +325,11 @@ static int tty_ldisc_try(struct tty_struct *tty)
 
 struct tty_ldisc *tty_ldisc_ref_wait(struct tty_struct *tty)
 {
+	struct tty_ldisc *ld;
+
 	/* wait_event is a macro */
-	wait_event(tty_ldisc_wait, tty_ldisc_try(tty));
-	WARN_ON(tty->ldisc->refcount == 0);
-	return tty->ldisc;
+	wait_event(tty_ldisc_wait, (ld = tty_ldisc_try(tty)) != NULL);
+	return ld;
 }
 EXPORT_SYMBOL_GPL(tty_ldisc_ref_wait);
 
@@ -342,9 +346,7 @@ EXPORT_SYMBOL_GPL(tty_ldisc_ref_wait);
 
 struct tty_ldisc *tty_ldisc_ref(struct tty_struct *tty)
 {
-	if (tty_ldisc_try(tty))
-		return tty->ldisc;
-	return NULL;
+	return tty_ldisc_try(tty);
 }
 EXPORT_SYMBOL_GPL(tty_ldisc_ref);
 
@@ -360,21 +362,15 @@ EXPORT_SYMBOL_GPL(tty_ldisc_ref);
 
 void tty_ldisc_deref(struct tty_ldisc *ld)
 {
-	unsigned long flags;
-
-	BUG_ON(ld == NULL);
-
-	spin_lock_irqsave(&tty_ldisc_lock, flags);
-	if (ld->refcount == 0)
-		printk(KERN_ERR "tty_ldisc_deref: no references.\n");
-	else
-		ld->refcount--;
-	if (ld->refcount == 0)
-		wake_up(&tty_ldisc_wait);
-	spin_unlock_irqrestore(&tty_ldisc_lock, flags);
+	put_ldisc(ld);
 }
 EXPORT_SYMBOL_GPL(tty_ldisc_deref);
 
+static inline void tty_ldisc_put(struct tty_ldisc *ld)
+{
+	put_ldisc(ld);
+}
+
 /**
  *	tty_ldisc_enable	-	allow ldisc use
  *	@tty: terminal to activate ldisc on
@@ -512,8 +508,9 @@ static void tty_ldisc_restore(struct tty_struct *tty, struct tty_ldisc *old)
  *	be obtained while the delayed work queue halt ensures that no more
  *	data is fed to the ldisc.
  *
- *	In order to wait for any existing references to complete see
- *	tty_ldisc_wait_idle.
+ *	You need to do a 'flush_scheduled_work()' (outside the ldisc_mutex)
+ *	in order to make sure any currently executing ldisc work is also
+ *	flushed.
  */
 
 static int tty_ldisc_halt(struct tty_struct *tty)
@@ -523,31 +520,6 @@ static int tty_ldisc_halt(struct tty_struct *tty)
 }
 
 /**
- *	tty_ldisc_wait_idle	-	wait for the ldisc to become idle
- *	@tty: tty to wait for
- *
- *	Wait for the line discipline to become idle. The discipline must
- *	have been halted for this to guarantee it remains idle.
- *
- *	tty_ldisc_lock protects the ref counts currently.
- */
-
-static int tty_ldisc_wait_idle(struct tty_struct *tty)
-{
-	unsigned long flags;
-	spin_lock_irqsave(&tty_ldisc_lock, flags);
-	while (tty->ldisc->refcount) {
-		spin_unlock_irqrestore(&tty_ldisc_lock, flags);
-		if (wait_event_timeout(tty_ldisc_wait,
-				tty->ldisc->refcount == 0, 5 * HZ) == 0)
-			return -EBUSY;
-		spin_lock_irqsave(&tty_ldisc_lock, flags);
-	}
-	spin_unlock_irqrestore(&tty_ldisc_lock, flags);
-	return 0;
-}
-
-/**
  *	tty_set_ldisc		-	set line discipline
  *	@tty: the terminal to set
  *	@ldisc: the line discipline
@@ -642,14 +614,6 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc)
 
 	flush_scheduled_work();
 
-	/* Let any existing reference holders finish */
-	retval = tty_ldisc_wait_idle(tty);
-	if (retval < 0) {
-		clear_bit(TTY_LDISC_CHANGING, &tty->flags);
-		tty_ldisc_put(new_ldisc);
-		return retval;
-	}
-
 	mutex_lock(&tty->ldisc_mutex);
 	if (test_bit(TTY_HUPPED, &tty->flags)) {
 		/* We were raced by the hangup method. It will have stomped
@@ -790,12 +754,14 @@ void tty_ldisc_hangup(struct tty_struct *tty)
 	 * N_TTY.
 	 */
 	if (tty->driver->flags & TTY_DRIVER_RESET_TERMIOS) {
+		/* Make sure the old ldisc is quiescent */
+		tty_ldisc_halt(tty);
+		flush_scheduled_work();
+
 		/* Avoid racing set_ldisc or tty_ldisc_release */
 		mutex_lock(&tty->ldisc_mutex);
 		if (tty->ldisc) {	/* Not yet closed */
 			/* Switch back to N_TTY */
-			tty_ldisc_halt(tty);
-			tty_ldisc_wait_idle(tty);
 			tty_ldisc_reinit(tty);
 			/* At this point we have a closed ldisc and we want to
 			   reopen it. We could defer this to the next open but
@@ -860,14 +826,6 @@ void tty_ldisc_release(struct tty_struct *tty, struct tty_struct *o_tty)
 	tty_ldisc_halt(tty);
 	flush_scheduled_work();
 
-	/*
-	 * Wait for any short term users (we know they are just driver
-	 * side waiters as the file is closing so user count on the file
-	 * side is zero.
-	 */
-
-	tty_ldisc_wait_idle(tty);
-
 	mutex_lock(&tty->ldisc_mutex);
 	/*
 	 * Now kill off the ldisc
diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c
index 2964f5f4a7ef..6b3e0c2f33e2 100644
--- a/drivers/clocksource/sh_cmt.c
+++ b/drivers/clocksource/sh_cmt.c
@@ -40,6 +40,7 @@ struct sh_cmt_priv {
 	struct platform_device *pdev;
 
 	unsigned long flags;
+	unsigned long flags_suspend;
 	unsigned long match_value;
 	unsigned long next_match_value;
 	unsigned long max_match_value;
@@ -667,11 +668,38 @@ static int __devexit sh_cmt_remove(struct platform_device *pdev)
 	return -EBUSY; /* cannot unregister clockevent and clocksource */
 }
 
+static int sh_cmt_suspend(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct sh_cmt_priv *p = platform_get_drvdata(pdev);
+
+	/* save flag state and stop CMT channel */
+	p->flags_suspend = p->flags;
+	sh_cmt_stop(p, p->flags);
+	return 0;
+}
+
+static int sh_cmt_resume(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct sh_cmt_priv *p = platform_get_drvdata(pdev);
+
+	/* start CMT channel from saved state */
+	sh_cmt_start(p, p->flags_suspend);
+	return 0;
+}
+
+static struct dev_pm_ops sh_cmt_dev_pm_ops = {
+	.suspend = sh_cmt_suspend,
+	.resume = sh_cmt_resume,
+};
+
 static struct platform_driver sh_cmt_device_driver = {
 	.probe		= sh_cmt_probe,
 	.remove		= __devexit_p(sh_cmt_remove),
 	.driver		= {
 		.name	= "sh_cmt",
+		.pm	= &sh_cmt_dev_pm_ops,
 	}
 };
 
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index b90eda8b3440..fd69086d08d5 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -858,6 +858,8 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
 
 		/* Check for existing affected CPUs.
 		 * They may not be aware of it due to CPU Hotplug.
+		 * cpufreq_cpu_put is called when the device is removed
+		 * in __cpufreq_remove_dev()
 		 */
 		managed_policy = cpufreq_cpu_get(j);
 		if (unlikely(managed_policy)) {
@@ -884,7 +886,7 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
 			ret = sysfs_create_link(&sys_dev->kobj,
 						&managed_policy->kobj,
 						"cpufreq");
-			if (!ret)
+			if (ret)
 				cpufreq_cpu_put(managed_policy);
 			/*
 			 * Success. We only needed to be added to the mask.
@@ -924,6 +926,8 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
 
 	spin_lock_irqsave(&cpufreq_driver_lock, flags);
 	for_each_cpu(j, policy->cpus) {
+		if (!cpu_online(j))
+			continue;
 		per_cpu(cpufreq_cpu_data, j) = policy;
 		per_cpu(policy_cpu, j) = policy->cpu;
 	}
@@ -1244,13 +1248,22 @@ EXPORT_SYMBOL(cpufreq_get);
 
 static int cpufreq_suspend(struct sys_device *sysdev, pm_message_t pmsg)
 {
-	int cpu = sysdev->id;
 	int ret = 0;
+
+#ifdef __powerpc__
+	int cpu = sysdev->id;
 	unsigned int cur_freq = 0;
 	struct cpufreq_policy *cpu_policy;
 
 	dprintk("suspending cpu %u\n", cpu);
 
+	/*
+	 * This whole bogosity is here because Powerbooks are made of fail.
+	 * No sane platform should need any of the code below to be run.
+	 * (it's entirely the wrong thing to do, as driver->get may
+	 *  reenable interrupts on some architectures).
+	 */
+
 	if (!cpu_online(cpu))
 		return 0;
 
@@ -1309,6 +1322,7 @@ static int cpufreq_suspend(struct sys_device *sysdev, pm_message_t pmsg)
 
 out:
 	cpufreq_cpu_put(cpu_policy);
+#endif	/* __powerpc__ */
 	return ret;
 }
 
@@ -1322,12 +1336,18 @@ out:
  */
 static int cpufreq_resume(struct sys_device *sysdev)
 {
-	int cpu = sysdev->id;
 	int ret = 0;
+
+#ifdef __powerpc__
+	int cpu = sysdev->id;
 	struct cpufreq_policy *cpu_policy;
 
 	dprintk("resuming cpu %u\n", cpu);
 
+	/* As with the ->suspend method, all the code below is
+	 * only necessary because Powerbooks suck.
+	 * See commit 42d4dc3f4e1e for jokes. */
+
 	if (!cpu_online(cpu))
 		return 0;
 
@@ -1391,6 +1411,7 @@ out:
 	schedule_work(&cpu_policy->update);
 fail:
 	cpufreq_cpu_put(cpu_policy);
+#endif	/* __powerpc__ */
 	return ret;
 }
 
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 57490502b21c..bdea7e2f94ba 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -63,6 +63,7 @@ struct cpu_dbs_info_s {
 	unsigned int down_skip;
 	unsigned int requested_freq;
 	int cpu;
+	unsigned int enable:1;
 	/*
 	 * percpu mutex that serializes governor limit change with
 	 * do_dbs_timer invocation. We do not want do_dbs_timer to run
@@ -141,6 +142,9 @@ dbs_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
 
 	struct cpufreq_policy *policy;
 
+	if (!this_dbs_info->enable)
+		return 0;
+
 	policy = this_dbs_info->cur_policy;
 
 	/*
@@ -497,6 +501,7 @@ static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info)
 	int delay = usecs_to_jiffies(dbs_tuners_ins.sampling_rate);
 	delay -= jiffies % delay;
 
+	dbs_info->enable = 1;
 	INIT_DELAYED_WORK_DEFERRABLE(&dbs_info->work, do_dbs_timer);
 	queue_delayed_work_on(dbs_info->cpu, kconservative_wq, &dbs_info->work,
 				delay);
@@ -504,6 +509,7 @@ static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info)
 
 static inline void dbs_timer_exit(struct cpu_dbs_info_s *dbs_info)
 {
+	dbs_info->enable = 0;
 	cancel_delayed_work_sync(&dbs_info->work);
 }
 
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 24964c1d0af9..e2a10bcba7a1 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -868,6 +868,8 @@ static void amd64_read_dbam_reg(struct amd64_pvt *pvt)
 			goto err_reg;
 	}
 
+	return;
+
 err_reg:
 	debugf0("Error reading F2x%03x.\n", reg);
 }
@@ -2634,6 +2636,8 @@ static void amd64_read_mc_registers(struct amd64_pvt *pvt)
 
 	amd64_dump_misc_regs(pvt);
 
+	return;
+
 err_reg:
 	debugf0("Reading an MC register failed\n");
 
@@ -2977,6 +2981,9 @@ static int amd64_check_ecc_enabled(struct amd64_pvt *pvt)
 			"ECC is enabled by BIOS, Proceeding "
 			"with EDAC module initialization\n");
 
+		/* Signal good ECC status */
+		ret = 0;
+
 		/* CLEAR the override, since BIOS controlled it */
 		ecc_enable_override = 0;
 	}
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 8fab7890a363..2f631c75f704 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -258,31 +258,6 @@ void *drm_mode_object_find(struct drm_device *dev, uint32_t id, uint32_t type)
 EXPORT_SYMBOL(drm_mode_object_find);
 
 /**
- * drm_crtc_from_fb - find the CRTC structure associated with an fb
- * @dev: DRM device
- * @fb: framebuffer in question
- *
- * LOCKING:
- * Caller must hold mode_config lock.
- *
- * Find CRTC in the mode_config structure that matches @fb.
- *
- * RETURNS:
- * Pointer to the CRTC or NULL if it wasn't found.
- */
-struct drm_crtc *drm_crtc_from_fb(struct drm_device *dev,
-				  struct drm_framebuffer *fb)
-{
-	struct drm_crtc *crtc;
-
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		if (crtc->fb == fb)
-			return crtc;
-	}
-	return NULL;
-}
-
-/**
  * drm_framebuffer_init - initialize a framebuffer
  * @dev: DRM device
  *
@@ -328,11 +303,20 @@ void drm_framebuffer_cleanup(struct drm_framebuffer *fb)
 {
 	struct drm_device *dev = fb->dev;
 	struct drm_crtc *crtc;
+	struct drm_mode_set set;
+	int ret;
 
 	/* remove from any CRTC */
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		if (crtc->fb == fb)
-			crtc->fb = NULL;
+		if (crtc->fb == fb) {
+			/* should turn off the crtc */
+			memset(&set, 0, sizeof(struct drm_mode_set));
+			set.crtc = crtc;
+			set.fb = NULL;
+			ret = crtc->funcs->set_config(&set);
+			if (ret)
+				DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc);
+		}
 	}
 
 	drm_mode_object_put(dev, &fb->base);
@@ -1461,7 +1445,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
 		goto out;
 	}
 
-	if (crtc_req->count_connectors > 0 && !mode && !fb) {
+	if (crtc_req->count_connectors > 0 && (!mode || !fb)) {
 		DRM_DEBUG("Count connectors is %d but no mode or fb set\n",
 			  crtc_req->count_connectors);
 		ret = -EINVAL;
@@ -1511,7 +1495,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
 	set.mode = mode;
 	set.connectors = connector_set;
 	set.num_connectors = crtc_req->count_connectors;
-	set.fb =fb;
+	set.fb = fb;
 	ret = crtc->funcs->set_config(&set);
 
 out:
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 3da9cfa31848..6aaa2cb23365 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -706,8 +706,8 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
 	struct drm_encoder **save_encoders, *new_encoder;
 	struct drm_framebuffer *old_fb = NULL;
 	bool save_enabled;
-	bool mode_changed = false;
-	bool fb_changed = false;
+	bool mode_changed = false; /* if true do a full mode set */
+	bool fb_changed = false; /* if true and !mode_changed just do a flip */
 	struct drm_connector *connector;
 	int count = 0, ro, fail = 0;
 	struct drm_crtc_helper_funcs *crtc_funcs;
@@ -758,6 +758,8 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
 		if (set->crtc->fb == NULL) {
 			DRM_DEBUG("crtc has no fb, full mode set\n");
 			mode_changed = true;
+		} else if (set->fb == NULL) {
+			mode_changed = true;
 		} else if ((set->fb->bits_per_pixel !=
 			 set->crtc->fb->bits_per_pixel) ||
 			 set->fb->depth != set->crtc->fb->depth)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 80cc6d06d61b..7f2728bbc16c 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -502,12 +502,40 @@ static int add_detailed_info(struct drm_connector *connector,
 		struct detailed_non_pixel *data = &timing->data.other_data;
 		struct drm_display_mode *newmode;
 
-		/* EDID up to and including 1.2 may put monitor info here */
-		if (edid->version == 1 && edid->revision < 3)
-			continue;
-
-		/* Detailed mode timing */
-		if (timing->pixel_clock) {
+		/* X server check is version 1.1 or higher */
+		if (edid->version == 1 && edid->revision >= 1 &&
+		    !timing->pixel_clock) {
+			/* Other timing or info */
+			switch (data->type) {
+			case EDID_DETAIL_MONITOR_SERIAL:
+				break;
+			case EDID_DETAIL_MONITOR_STRING:
+				break;
+			case EDID_DETAIL_MONITOR_RANGE:
+				/* Get monitor range data */
+				break;
+			case EDID_DETAIL_MONITOR_NAME:
+				break;
+			case EDID_DETAIL_MONITOR_CPDATA:
+				break;
+			case EDID_DETAIL_STD_MODES:
+				/* Five modes per detailed section */
+				for (j = 0; j < 5; i++) {
+					struct std_timing *std;
+					struct drm_display_mode *newmode;
+
+					std = &data->data.timings[j];
+					newmode = drm_mode_std(dev, std);
+					if (newmode) {
+						drm_mode_probed_add(connector, newmode);
+						modes++;
+					}
+				}
+				break;
+			default:
+				break;
+			}
+		} else {
 			newmode = drm_mode_detailed(dev, edid, timing, quirks);
 			if (!newmode)
 				continue;
@@ -518,38 +546,6 @@ static int add_detailed_info(struct drm_connector *connector,
 			drm_mode_probed_add(connector, newmode);
 
 			modes++;
-			continue;
-		}
-
-		/* Other timing or info */
-		switch (data->type) {
-		case EDID_DETAIL_MONITOR_SERIAL:
-			break;
-		case EDID_DETAIL_MONITOR_STRING:
-			break;
-		case EDID_DETAIL_MONITOR_RANGE:
-			/* Get monitor range data */
-			break;
-		case EDID_DETAIL_MONITOR_NAME:
-			break;
-		case EDID_DETAIL_MONITOR_CPDATA:
-			break;
-		case EDID_DETAIL_STD_MODES:
-			/* Five modes per detailed section */
-			for (j = 0; j < 5; i++) {
-				struct std_timing *std;
-				struct drm_display_mode *newmode;
-
-				std = &data->data.timings[j];
-				newmode = drm_mode_std(dev, std);
-				if (newmode) {
-					drm_mode_probed_add(connector, newmode);
-					modes++;
-				}
-			}
-			break;
-		default:
-			break;
 		}
 	}
 
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index b4a3dbcebe9b..f85aaf21e783 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -566,7 +566,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data,
 
 	ret = drm_vblank_get(dev, crtc);
 	if (ret) {
-		DRM_ERROR("failed to acquire vblank counter, %d\n", ret);
+		DRM_DEBUG("failed to acquire vblank counter, %d\n", ret);
 		return ret;
 	}
 	seq = drm_vblank_count(dev, crtc);
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 54f492a488a9..7914097b09c6 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -566,6 +566,8 @@ void drm_mode_connector_list_update(struct drm_connector *connector)
 				found_it = 1;
 				/* if equal delete the probed mode */
 				mode->status = pmode->status;
+				/* Merge type bits together */
+				mode->type |= pmode->type;
 				list_del(&pmode->head);
 				drm_mode_destroy(connector->dev, pmode);
 				break;
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 85ec31b3ff00..f7a615b80c70 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -22,44 +22,50 @@
 #define to_drm_minor(d) container_of(d, struct drm_minor, kdev)
 #define to_drm_connector(d) container_of(d, struct drm_connector, kdev)
 
+static struct device_type drm_sysfs_device_minor = {
+	.name = "drm_minor"
+};
+
 /**
- * drm_sysfs_suspend - DRM class suspend hook
+ * drm_class_suspend - DRM class suspend hook
  * @dev: Linux device to suspend
  * @state: power state to enter
  *
  * Just figures out what the actual struct drm_device associated with
  * @dev is and calls its suspend hook, if present.
  */
-static int drm_sysfs_suspend(struct device *dev, pm_message_t state)
+static int drm_class_suspend(struct device *dev, pm_message_t state)
 {
-	struct drm_minor *drm_minor = to_drm_minor(dev);
-	struct drm_device *drm_dev = drm_minor->dev;
-
-	if (drm_minor->type == DRM_MINOR_LEGACY &&
-	    !drm_core_check_feature(drm_dev, DRIVER_MODESET) &&
-	    drm_dev->driver->suspend)
-		return drm_dev->driver->suspend(drm_dev, state);
-
+	if (dev->type == &drm_sysfs_device_minor) {
+		struct drm_minor *drm_minor = to_drm_minor(dev);
+		struct drm_device *drm_dev = drm_minor->dev;
+
+		if (drm_minor->type == DRM_MINOR_LEGACY &&
+		    !drm_core_check_feature(drm_dev, DRIVER_MODESET) &&
+		    drm_dev->driver->suspend)
+			return drm_dev->driver->suspend(drm_dev, state);
+	}
 	return 0;
 }
 
 /**
- * drm_sysfs_resume - DRM class resume hook
+ * drm_class_resume - DRM class resume hook
  * @dev: Linux device to resume
  *
  * Just figures out what the actual struct drm_device associated with
  * @dev is and calls its resume hook, if present.
  */
-static int drm_sysfs_resume(struct device *dev)
+static int drm_class_resume(struct device *dev)
 {
-	struct drm_minor *drm_minor = to_drm_minor(dev);
-	struct drm_device *drm_dev = drm_minor->dev;
-
-	if (drm_minor->type == DRM_MINOR_LEGACY &&
-	    !drm_core_check_feature(drm_dev, DRIVER_MODESET) &&
-	    drm_dev->driver->resume)
-		return drm_dev->driver->resume(drm_dev);
-
+	if (dev->type == &drm_sysfs_device_minor) {
+		struct drm_minor *drm_minor = to_drm_minor(dev);
+		struct drm_device *drm_dev = drm_minor->dev;
+
+		if (drm_minor->type == DRM_MINOR_LEGACY &&
+		    !drm_core_check_feature(drm_dev, DRIVER_MODESET) &&
+		    drm_dev->driver->resume)
+			return drm_dev->driver->resume(drm_dev);
+	}
 	return 0;
 }
 
@@ -99,8 +105,8 @@ struct class *drm_sysfs_create(struct module *owner, char *name)
 		goto err_out;
 	}
 
-	class->suspend = drm_sysfs_suspend;
-	class->resume = drm_sysfs_resume;
+	class->suspend = drm_class_suspend;
+	class->resume = drm_class_resume;
 
 	err = class_create_file(class, &class_attr_version);
 	if (err)
@@ -480,6 +486,7 @@ int drm_sysfs_device_add(struct drm_minor *minor)
 	minor->kdev.class = drm_class;
 	minor->kdev.release = drm_sysfs_device_release;
 	minor->kdev.devt = minor->device;
+	minor->kdev.type = &drm_sysfs_device_minor;
 	if (minor->type == DRM_MINOR_CONTROL)
 		minor_str = "controlD%d";
         else if (minor->type == DRM_MINOR_RENDER)
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 8c4783180bf6..50d1f782768c 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1186,6 +1186,13 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	if (ret)
 		goto out_iomapfree;
 
+	dev_priv->wq = create_workqueue("i915");
+	if (dev_priv->wq == NULL) {
+		DRM_ERROR("Failed to create our workqueue.\n");
+		ret = -ENOMEM;
+		goto out_iomapfree;
+	}
+
 	/* enable GEM by default */
 	dev_priv->has_gem = 1;
 
@@ -1211,7 +1218,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	if (!I915_NEED_GFX_HWS(dev)) {
 		ret = i915_init_phys_hws(dev);
 		if (ret != 0)
-			goto out_iomapfree;
+			goto out_workqueue_free;
 	}
 
 	i915_get_mem_freq(dev);
@@ -1245,7 +1252,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 		ret = i915_load_modeset_init(dev, prealloc_size, agp_size);
 		if (ret < 0) {
 			DRM_ERROR("failed to init modeset\n");
-			goto out_rmmap;
+			goto out_workqueue_free;
 		}
 	}
 
@@ -1256,6 +1263,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 
 	return 0;
 
+out_workqueue_free:
+	destroy_workqueue(dev_priv->wq);
 out_iomapfree:
 	io_mapping_free(dev_priv->mm.gtt_mapping);
 out_rmmap:
@@ -1269,6 +1278,8 @@ int i915_driver_unload(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
+	destroy_workqueue(dev_priv->wq);
+
 	io_mapping_free(dev_priv->mm.gtt_mapping);
 	if (dev_priv->mm.gtt_mtrr >= 0) {
 		mtrr_del(dev_priv->mm.gtt_mtrr, dev->agp->base,
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index d08752875885..5b4f87e55621 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -219,8 +219,10 @@ typedef struct drm_i915_private {
 	unsigned int lvds_vbt:1;
 	unsigned int int_crt_support:1;
 	unsigned int lvds_use_ssc:1;
+	unsigned int edp_support:1;
 	int lvds_ssc_freq;
 
+	int crt_ddc_bus; /* -1 = unknown, else GPIO to use for CRT DDC */
 	struct drm_i915_fence_reg fence_regs[16]; /* assume 965 */
 	int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */
 	int num_fence_regs; /* 8 on pre-965, 16 otherwise */
@@ -229,6 +231,8 @@ typedef struct drm_i915_private {
 
 	spinlock_t error_lock;
 	struct drm_i915_error_state *first_error;
+	struct work_struct error_work;
+	struct workqueue_struct *wq;
 
 	/* Register state */
 	u8 saveLBB;
@@ -381,6 +385,9 @@ typedef struct drm_i915_private {
 		 */
 		struct list_head inactive_list;
 
+		/** LRU list of objects with fence regs on them. */
+		struct list_head fence_list;
+
 		/**
 		 * List of breadcrumbs associated with GPU requests currently
 		 * outstanding.
@@ -448,6 +455,9 @@ struct drm_i915_gem_object {
 	/** This object's place on the active/flushing/inactive lists */
 	struct list_head list;
 
+	/** This object's place on the fenced object LRU */
+	struct list_head fence_list;
+
 	/**
 	 * This is set if the object is on the active or flushing lists
 	 * (has pending rendering), and is not set if it's on inactive (ready
@@ -888,6 +898,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 						      IS_I915GM(dev)))
 #define SUPPORTS_INTEGRATED_HDMI(dev)	(IS_G4X(dev) || IS_IGDNG(dev))
 #define SUPPORTS_INTEGRATED_DP(dev)	(IS_G4X(dev) || IS_IGDNG(dev))
+#define SUPPORTS_EDP(dev)		(IS_IGDNG_M(dev))
 #define I915_HAS_HOTPLUG(dev) (IS_I945G(dev) || IS_I945GM(dev) || IS_I965G(dev))
 /* dsparb controlled by hw only */
 #define DSPARB_HWCONTROL(dev) (IS_G4X(dev) || IS_IGDNG(dev))
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 5bf420378b6d..0c07a755b3a3 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -978,6 +978,7 @@ int
 i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
 			  struct drm_file *file_priv)
 {
+	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_i915_gem_set_domain *args = data;
 	struct drm_gem_object *obj;
 	uint32_t read_domains = args->read_domains;
@@ -1010,8 +1011,18 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
 		 obj, obj->size, read_domains, write_domain);
 #endif
 	if (read_domains & I915_GEM_DOMAIN_GTT) {
+		struct drm_i915_gem_object *obj_priv = obj->driver_private;
+
 		ret = i915_gem_object_set_to_gtt_domain(obj, write_domain != 0);
 
+		/* Update the LRU on the fence for the CPU access that's
+		 * about to occur.
+		 */
+		if (obj_priv->fence_reg != I915_FENCE_REG_NONE) {
+			list_move_tail(&obj_priv->fence_list,
+				       &dev_priv->mm.fence_list);
+		}
+
 		/* Silently promote "you're not bound, there was nothing to do"
 		 * to success, since the client was just asking us to
 		 * make sure everything was done.
@@ -1155,8 +1166,7 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 	}
 
 	/* Need a new fence register? */
-	if (obj_priv->fence_reg == I915_FENCE_REG_NONE &&
-	    obj_priv->tiling_mode != I915_TILING_NONE) {
+	if (obj_priv->tiling_mode != I915_TILING_NONE) {
 		ret = i915_gem_object_get_fence_reg(obj);
 		if (ret) {
 			mutex_unlock(&dev->struct_mutex);
@@ -1570,7 +1580,7 @@ i915_add_request(struct drm_device *dev, struct drm_file *file_priv,
 	}
 
 	if (was_empty && !dev_priv->mm.suspended)
-		schedule_delayed_work(&dev_priv->mm.retire_work, HZ);
+		queue_delayed_work(dev_priv->wq, &dev_priv->mm.retire_work, HZ);
 	return seqno;
 }
 
@@ -1719,7 +1729,7 @@ i915_gem_retire_work_handler(struct work_struct *work)
 	i915_gem_retire_requests(dev);
 	if (!dev_priv->mm.suspended &&
 	    !list_empty(&dev_priv->mm.request_list))
-		schedule_delayed_work(&dev_priv->mm.retire_work, HZ);
+		queue_delayed_work(dev_priv->wq, &dev_priv->mm.retire_work, HZ);
 	mutex_unlock(&dev->struct_mutex);
 }
 
@@ -2208,6 +2218,12 @@ i915_gem_object_get_fence_reg(struct drm_gem_object *obj)
 	struct drm_i915_gem_object *old_obj_priv = NULL;
 	int i, ret, avail;
 
+	/* Just update our place in the LRU if our fence is getting used. */
+	if (obj_priv->fence_reg != I915_FENCE_REG_NONE) {
+		list_move_tail(&obj_priv->fence_list, &dev_priv->mm.fence_list);
+		return 0;
+	}
+
 	switch (obj_priv->tiling_mode) {
 	case I915_TILING_NONE:
 		WARN(1, "allocating a fence for non-tiled object?\n");
@@ -2229,7 +2245,6 @@ i915_gem_object_get_fence_reg(struct drm_gem_object *obj)
 	}
 
 	/* First try to find a free reg */
-try_again:
 	avail = 0;
 	for (i = dev_priv->fence_reg_start; i < dev_priv->num_fence_regs; i++) {
 		reg = &dev_priv->fence_regs[i];
@@ -2243,52 +2258,41 @@ try_again:
 
 	/* None available, try to steal one or wait for a user to finish */
 	if (i == dev_priv->num_fence_regs) {
-		uint32_t seqno = dev_priv->mm.next_gem_seqno;
+		struct drm_gem_object *old_obj = NULL;
 
 		if (avail == 0)
 			return -ENOSPC;
 
-		for (i = dev_priv->fence_reg_start;
-		     i < dev_priv->num_fence_regs; i++) {
-			uint32_t this_seqno;
+		list_for_each_entry(old_obj_priv, &dev_priv->mm.fence_list,
+				    fence_list) {
+			old_obj = old_obj_priv->obj;
 
-			reg = &dev_priv->fence_regs[i];
-			old_obj_priv = reg->obj->driver_private;
+			reg = &dev_priv->fence_regs[old_obj_priv->fence_reg];
 
 			if (old_obj_priv->pin_count)
 				continue;
 
+			/* Take a reference, as otherwise the wait_rendering
+			 * below may cause the object to get freed out from
+			 * under us.
+			 */
+			drm_gem_object_reference(old_obj);
+
 			/* i915 uses fences for GPU access to tiled buffers */
 			if (IS_I965G(dev) || !old_obj_priv->active)
 				break;
 
-			/* find the seqno of the first available fence */
-			this_seqno = old_obj_priv->last_rendering_seqno;
-			if (this_seqno != 0 &&
-			    reg->obj->write_domain == 0 &&
-			    i915_seqno_passed(seqno, this_seqno))
-				seqno = this_seqno;
-		}
-
-		/*
-		 * Now things get ugly... we have to wait for one of the
-		 * objects to finish before trying again.
-		 */
-		if (i == dev_priv->num_fence_regs) {
-			if (seqno == dev_priv->mm.next_gem_seqno) {
-				i915_gem_flush(dev,
-					       I915_GEM_GPU_DOMAINS,
-					       I915_GEM_GPU_DOMAINS);
-				seqno = i915_add_request(dev, NULL,
-							 I915_GEM_GPU_DOMAINS);
-				if (seqno == 0)
-					return -ENOMEM;
-			}
-
-			ret = i915_wait_request(dev, seqno);
-			if (ret)
+			/* This brings the object to the head of the LRU if it
+			 * had been written to.  The only way this should
+			 * result in us waiting longer than the expected
+			 * optimal amount of time is if there was a
+			 * fence-using buffer later that was read-only.
+			 */
+			i915_gem_object_flush_gpu_write_domain(old_obj);
+			ret = i915_gem_object_wait_rendering(old_obj);
+			if (ret != 0)
 				return ret;
-			goto try_again;
+			break;
 		}
 
 		/*
@@ -2296,10 +2300,15 @@ try_again:
 		 * for this object next time we need it.
 		 */
 		i915_gem_release_mmap(reg->obj);
+		i = old_obj_priv->fence_reg;
 		old_obj_priv->fence_reg = I915_FENCE_REG_NONE;
+		list_del_init(&old_obj_priv->fence_list);
+		drm_gem_object_unreference(old_obj);
 	}
 
 	obj_priv->fence_reg = i;
+	list_add_tail(&obj_priv->fence_list, &dev_priv->mm.fence_list);
+
 	reg->obj = obj;
 
 	if (IS_I965G(dev))
@@ -2342,6 +2351,7 @@ i915_gem_clear_fence_reg(struct drm_gem_object *obj)
 
 	dev_priv->fence_regs[obj_priv->fence_reg].obj = NULL;
 	obj_priv->fence_reg = I915_FENCE_REG_NONE;
+	list_del_init(&obj_priv->fence_list);
 }
 
 /**
@@ -3595,9 +3605,7 @@ i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment)
 	 * Pre-965 chips need a fence register set up in order to
 	 * properly handle tiled surfaces.
 	 */
-	if (!IS_I965G(dev) &&
-	    obj_priv->fence_reg == I915_FENCE_REG_NONE &&
-	    obj_priv->tiling_mode != I915_TILING_NONE) {
+	if (!IS_I965G(dev) && obj_priv->tiling_mode != I915_TILING_NONE) {
 		ret = i915_gem_object_get_fence_reg(obj);
 		if (ret != 0) {
 			if (ret != -EBUSY && ret != -ERESTARTSYS)
@@ -3806,6 +3814,7 @@ int i915_gem_init_object(struct drm_gem_object *obj)
 	obj_priv->obj = obj;
 	obj_priv->fence_reg = I915_FENCE_REG_NONE;
 	INIT_LIST_HEAD(&obj_priv->list);
+	INIT_LIST_HEAD(&obj_priv->fence_list);
 
 	return 0;
 }
@@ -4253,6 +4262,7 @@ i915_gem_load(struct drm_device *dev)
 	INIT_LIST_HEAD(&dev_priv->mm.flushing_list);
 	INIT_LIST_HEAD(&dev_priv->mm.inactive_list);
 	INIT_LIST_HEAD(&dev_priv->mm.request_list);
+	INIT_LIST_HEAD(&dev_priv->mm.fence_list);
 	INIT_DELAYED_WORK(&dev_priv->mm.retire_work,
 			  i915_gem_retire_work_handler);
 	dev_priv->mm.next_gem_seqno = 1;
diff --git a/drivers/gpu/drm/i915/i915_gem_debugfs.c b/drivers/gpu/drm/i915/i915_gem_debugfs.c
index 9a44bfcb8139..cb3b97405fbf 100644
--- a/drivers/gpu/drm/i915/i915_gem_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_gem_debugfs.c
@@ -343,6 +343,8 @@ static int i915_error_state(struct seq_file *m, void *unused)
 
 	error = dev_priv->first_error;
 
+	seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
+		   error->time.tv_usec);
 	seq_printf(m, "EIR: 0x%08x\n", error->eir);
 	seq_printf(m, "  PGTBL_ER: 0x%08x\n", error->pgtbl_er);
 	seq_printf(m, "  INSTPM: 0x%08x\n", error->instpm);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 7ba23a69a0c0..7ebc84c2881e 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -190,7 +190,7 @@ u32 i915_get_vblank_counter(struct drm_device *dev, int pipe)
 	low_frame = pipe ? PIPEBFRAMEPIXEL : PIPEAFRAMEPIXEL;
 
 	if (!i915_pipe_enabled(dev, pipe)) {
-		DRM_ERROR("trying to get vblank count for disabled pipe %d\n", pipe);
+		DRM_DEBUG("trying to get vblank count for disabled pipe %d\n", pipe);
 		return 0;
 	}
 
@@ -219,7 +219,7 @@ u32 gm45_get_vblank_counter(struct drm_device *dev, int pipe)
 	int reg = pipe ? PIPEB_FRMCOUNT_GM45 : PIPEA_FRMCOUNT_GM45;
 
 	if (!i915_pipe_enabled(dev, pipe)) {
-		DRM_ERROR("trying to get vblank count for disabled pipe %d\n", pipe);
+		DRM_DEBUG("trying to get vblank count for disabled pipe %d\n", pipe);
 		return 0;
 	}
 
@@ -290,6 +290,35 @@ irqreturn_t igdng_irq_handler(struct drm_device *dev)
 	return ret;
 }
 
+/**
+ * i915_error_work_func - do process context error handling work
+ * @work: work struct
+ *
+ * Fire an error uevent so userspace can see that a hang or error
+ * was detected.
+ */
+static void i915_error_work_func(struct work_struct *work)
+{
+	drm_i915_private_t *dev_priv = container_of(work, drm_i915_private_t,
+						    error_work);
+	struct drm_device *dev = dev_priv->dev;
+	char *event_string = "ERROR=1";
+	char *envp[] = { event_string, NULL };
+
+	DRM_DEBUG("generating error event\n");
+
+	kobject_uevent_env(&dev->primary->kdev.kobj, KOBJ_CHANGE, envp);
+}
+
+/**
+ * i915_capture_error_state - capture an error record for later analysis
+ * @dev: drm device
+ *
+ * Should be called when an error is detected (either a hang or an error
+ * interrupt) to capture error state from the time of the error.  Fills
+ * out a structure which becomes available in debugfs for user level tools
+ * to pick up.
+ */
 static void i915_capture_error_state(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -325,12 +354,137 @@ static void i915_capture_error_state(struct drm_device *dev)
 		error->acthd = I915_READ(ACTHD_I965);
 	}
 
+	do_gettimeofday(&error->time);
+
 	dev_priv->first_error = error;
 
 out:
 	spin_unlock_irqrestore(&dev_priv->error_lock, flags);
 }
 
+/**
+ * i915_handle_error - handle an error interrupt
+ * @dev: drm device
+ *
+ * Do some basic checking of regsiter state at error interrupt time and
+ * dump it to the syslog.  Also call i915_capture_error_state() to make
+ * sure we get a record and make it available in debugfs.  Fire a uevent
+ * so userspace knows something bad happened (should trigger collection
+ * of a ring dump etc.).
+ */
+static void i915_handle_error(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 eir = I915_READ(EIR);
+	u32 pipea_stats = I915_READ(PIPEASTAT);
+	u32 pipeb_stats = I915_READ(PIPEBSTAT);
+
+	i915_capture_error_state(dev);
+
+	printk(KERN_ERR "render error detected, EIR: 0x%08x\n",
+	       eir);
+
+	if (IS_G4X(dev)) {
+		if (eir & (GM45_ERROR_MEM_PRIV | GM45_ERROR_CP_PRIV)) {
+			u32 ipeir = I915_READ(IPEIR_I965);
+
+			printk(KERN_ERR "  IPEIR: 0x%08x\n",
+			       I915_READ(IPEIR_I965));
+			printk(KERN_ERR "  IPEHR: 0x%08x\n",
+			       I915_READ(IPEHR_I965));
+			printk(KERN_ERR "  INSTDONE: 0x%08x\n",
+			       I915_READ(INSTDONE_I965));
+			printk(KERN_ERR "  INSTPS: 0x%08x\n",
+			       I915_READ(INSTPS));
+			printk(KERN_ERR "  INSTDONE1: 0x%08x\n",
+			       I915_READ(INSTDONE1));
+			printk(KERN_ERR "  ACTHD: 0x%08x\n",
+			       I915_READ(ACTHD_I965));
+			I915_WRITE(IPEIR_I965, ipeir);
+			(void)I915_READ(IPEIR_I965);
+		}
+		if (eir & GM45_ERROR_PAGE_TABLE) {
+			u32 pgtbl_err = I915_READ(PGTBL_ER);
+			printk(KERN_ERR "page table error\n");
+			printk(KERN_ERR "  PGTBL_ER: 0x%08x\n",
+			       pgtbl_err);
+			I915_WRITE(PGTBL_ER, pgtbl_err);
+			(void)I915_READ(PGTBL_ER);
+		}
+	}
+
+	if (IS_I9XX(dev)) {
+		if (eir & I915_ERROR_PAGE_TABLE) {
+			u32 pgtbl_err = I915_READ(PGTBL_ER);
+			printk(KERN_ERR "page table error\n");
+			printk(KERN_ERR "  PGTBL_ER: 0x%08x\n",
+			       pgtbl_err);
+			I915_WRITE(PGTBL_ER, pgtbl_err);
+			(void)I915_READ(PGTBL_ER);
+		}
+	}
+
+	if (eir & I915_ERROR_MEMORY_REFRESH) {
+		printk(KERN_ERR "memory refresh error\n");
+		printk(KERN_ERR "PIPEASTAT: 0x%08x\n",
+		       pipea_stats);
+		printk(KERN_ERR "PIPEBSTAT: 0x%08x\n",
+		       pipeb_stats);
+		/* pipestat has already been acked */
+	}
+	if (eir & I915_ERROR_INSTRUCTION) {
+		printk(KERN_ERR "instruction error\n");
+		printk(KERN_ERR "  INSTPM: 0x%08x\n",
+		       I915_READ(INSTPM));
+		if (!IS_I965G(dev)) {
+			u32 ipeir = I915_READ(IPEIR);
+
+			printk(KERN_ERR "  IPEIR: 0x%08x\n",
+			       I915_READ(IPEIR));
+			printk(KERN_ERR "  IPEHR: 0x%08x\n",
+			       I915_READ(IPEHR));
+			printk(KERN_ERR "  INSTDONE: 0x%08x\n",
+			       I915_READ(INSTDONE));
+			printk(KERN_ERR "  ACTHD: 0x%08x\n",
+			       I915_READ(ACTHD));
+			I915_WRITE(IPEIR, ipeir);
+			(void)I915_READ(IPEIR);
+		} else {
+			u32 ipeir = I915_READ(IPEIR_I965);
+
+			printk(KERN_ERR "  IPEIR: 0x%08x\n",
+			       I915_READ(IPEIR_I965));
+			printk(KERN_ERR "  IPEHR: 0x%08x\n",
+			       I915_READ(IPEHR_I965));
+			printk(KERN_ERR "  INSTDONE: 0x%08x\n",
+			       I915_READ(INSTDONE_I965));
+			printk(KERN_ERR "  INSTPS: 0x%08x\n",
+			       I915_READ(INSTPS));
+			printk(KERN_ERR "  INSTDONE1: 0x%08x\n",
+			       I915_READ(INSTDONE1));
+			printk(KERN_ERR "  ACTHD: 0x%08x\n",
+			       I915_READ(ACTHD_I965));
+			I915_WRITE(IPEIR_I965, ipeir);
+			(void)I915_READ(IPEIR_I965);
+		}
+	}
+
+	I915_WRITE(EIR, eir);
+	(void)I915_READ(EIR);
+	eir = I915_READ(EIR);
+	if (eir) {
+		/*
+		 * some errors might have become stuck,
+		 * mask them.
+		 */
+		DRM_ERROR("EIR stuck: 0x%08x, masking\n", eir);
+		I915_WRITE(EMR, I915_READ(EMR) | eir);
+		I915_WRITE(IIR, I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT);
+	}
+
+	queue_work(dev_priv->wq, &dev_priv->error_work);
+}
+
 irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 {
 	struct drm_device *dev = (struct drm_device *) arg;
@@ -372,6 +526,9 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 		pipea_stats = I915_READ(PIPEASTAT);
 		pipeb_stats = I915_READ(PIPEBSTAT);
 
+		if (iir & I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT)
+			i915_handle_error(dev);
+
 		/*
 		 * Clear the PIPE(A|B)STAT regs before the IIR
 		 */
@@ -403,86 +560,13 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 			DRM_DEBUG("hotplug event received, stat 0x%08x\n",
 				  hotplug_status);
 			if (hotplug_status & dev_priv->hotplug_supported_mask)
-				schedule_work(&dev_priv->hotplug_work);
+				queue_work(dev_priv->wq,
+					   &dev_priv->hotplug_work);
 
 			I915_WRITE(PORT_HOTPLUG_STAT, hotplug_status);
 			I915_READ(PORT_HOTPLUG_STAT);
 		}
 
-		if (iir & I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT) {
-			u32 eir = I915_READ(EIR);
-
-			i915_capture_error_state(dev);
-
-			printk(KERN_ERR "render error detected, EIR: 0x%08x\n",
-			       eir);
-			if (eir & I915_ERROR_PAGE_TABLE) {
-				u32 pgtbl_err = I915_READ(PGTBL_ER);
-				printk(KERN_ERR "page table error\n");
-				printk(KERN_ERR "  PGTBL_ER: 0x%08x\n",
-				       pgtbl_err);
-				I915_WRITE(PGTBL_ER, pgtbl_err);
-				(void)I915_READ(PGTBL_ER);
-			}
-			if (eir & I915_ERROR_MEMORY_REFRESH) {
-				printk(KERN_ERR "memory refresh error\n");
-				printk(KERN_ERR "PIPEASTAT: 0x%08x\n",
-				       pipea_stats);
-				printk(KERN_ERR "PIPEBSTAT: 0x%08x\n",
-				       pipeb_stats);
-				/* pipestat has already been acked */
-			}
-			if (eir & I915_ERROR_INSTRUCTION) {
-				printk(KERN_ERR "instruction error\n");
-				printk(KERN_ERR "  INSTPM: 0x%08x\n",
-				       I915_READ(INSTPM));
-				if (!IS_I965G(dev)) {
-					u32 ipeir = I915_READ(IPEIR);
-
-					printk(KERN_ERR "  IPEIR: 0x%08x\n",
-					       I915_READ(IPEIR));
-					printk(KERN_ERR "  IPEHR: 0x%08x\n",
-						   I915_READ(IPEHR));
-					printk(KERN_ERR "  INSTDONE: 0x%08x\n",
-						   I915_READ(INSTDONE));
-					printk(KERN_ERR "  ACTHD: 0x%08x\n",
-						   I915_READ(ACTHD));
-					I915_WRITE(IPEIR, ipeir);
-					(void)I915_READ(IPEIR);
-				} else {
-					u32 ipeir = I915_READ(IPEIR_I965);
-
-					printk(KERN_ERR "  IPEIR: 0x%08x\n",
-					       I915_READ(IPEIR_I965));
-					printk(KERN_ERR "  IPEHR: 0x%08x\n",
-					       I915_READ(IPEHR_I965));
-					printk(KERN_ERR "  INSTDONE: 0x%08x\n",
-					       I915_READ(INSTDONE_I965));
-					printk(KERN_ERR "  INSTPS: 0x%08x\n",
-					       I915_READ(INSTPS));
-					printk(KERN_ERR "  INSTDONE1: 0x%08x\n",
-					       I915_READ(INSTDONE1));
-					printk(KERN_ERR "  ACTHD: 0x%08x\n",
-					       I915_READ(ACTHD_I965));
-					I915_WRITE(IPEIR_I965, ipeir);
-					(void)I915_READ(IPEIR_I965);
-				}
-			}
-
-			I915_WRITE(EIR, eir);
-			(void)I915_READ(EIR);
-			eir = I915_READ(EIR);
-			if (eir) {
-				/*
-				 * some errors might have become stuck,
-				 * mask them.
-				 */
-				DRM_ERROR("EIR stuck: 0x%08x, masking\n", eir);
-				I915_WRITE(EMR, I915_READ(EMR) | eir);
-				I915_WRITE(IIR, I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT);
-			}
-		}
-
 		I915_WRITE(IIR, iir);
 		new_iir = I915_READ(IIR); /* Flush posted writes */
 
@@ -830,6 +914,7 @@ void i915_driver_irq_preinstall(struct drm_device * dev)
 	atomic_set(&dev_priv->irq_received, 0);
 
 	INIT_WORK(&dev_priv->hotplug_work, i915_hotplug_work_func);
+	INIT_WORK(&dev_priv->error_work, i915_error_work_func);
 
 	if (IS_IGDNG(dev)) {
 		igdng_irq_preinstall(dev);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 6c0858484094..2955083aa471 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1395,6 +1395,7 @@
 #define TV_V_CHROMA_42		0x684a8
 
 /* Display Port */
+#define DP_A				0x64000 /* eDP */
 #define DP_B				0x64100
 #define DP_C				0x64200
 #define DP_D				0x64300
@@ -1437,13 +1438,22 @@
 /* Mystic DPCD version 1.1 special mode */
 #define   DP_ENHANCED_FRAMING		(1 << 18)
 
+/* eDP */
+#define   DP_PLL_FREQ_270MHZ		(0 << 16)
+#define   DP_PLL_FREQ_160MHZ		(1 << 16)
+#define   DP_PLL_FREQ_MASK		(3 << 16)
+
 /** locked once port is enabled */
 #define   DP_PORT_REVERSAL		(1 << 15)
 
+/* eDP */
+#define   DP_PLL_ENABLE			(1 << 14)
+
 /** sends the clock on lane 15 of the PEG for debug */
 #define   DP_CLOCK_OUTPUT_ENABLE	(1 << 13)
 
 #define   DP_SCRAMBLING_DISABLE		(1 << 12)
+#define   DP_SCRAMBLING_DISABLE_IGDNG	(1 << 7)
 
 /** limit RGB values to avoid confusing TVs */
 #define   DP_COLOR_RANGE_16_235		(1 << 8)
@@ -1463,6 +1473,13 @@
  * is 20 bytes in each direction, hence the 5 fixed
  * data registers
  */
+#define DPA_AUX_CH_CTL			0x64010
+#define DPA_AUX_CH_DATA1		0x64014
+#define DPA_AUX_CH_DATA2		0x64018
+#define DPA_AUX_CH_DATA3		0x6401c
+#define DPA_AUX_CH_DATA4		0x64020
+#define DPA_AUX_CH_DATA5		0x64024
+
 #define DPB_AUX_CH_CTL			0x64110
 #define DPB_AUX_CH_DATA1		0x64114
 #define DPB_AUX_CH_DATA2		0x64118
@@ -1618,7 +1635,7 @@
 #define I830_FIFO_LINE_SIZE	32
 #define I945_FIFO_SIZE		127 /* 945 & 965 */
 #define I915_FIFO_SIZE		95
-#define I855GM_FIFO_SIZE	255
+#define I855GM_FIFO_SIZE	127 /* In cachelines */
 #define I830_FIFO_SIZE		95
 #define I915_MAX_WM		0x3f
 
@@ -1848,6 +1865,8 @@
 #define PFA_CTL_1               0x68080
 #define PFB_CTL_1               0x68880
 #define  PF_ENABLE              (1<<31)
+#define PFA_WIN_SZ		0x68074
+#define PFB_WIN_SZ		0x68874
 
 /* legacy palette */
 #define LGC_PALETTE_A           0x4a000
@@ -2208,4 +2227,28 @@
 #define PCH_PP_OFF_DELAYS	0xc720c
 #define PCH_PP_DIVISOR		0xc7210
 
+#define PCH_DP_B		0xe4100
+#define PCH_DPB_AUX_CH_CTL	0xe4110
+#define PCH_DPB_AUX_CH_DATA1	0xe4114
+#define PCH_DPB_AUX_CH_DATA2	0xe4118
+#define PCH_DPB_AUX_CH_DATA3	0xe411c
+#define PCH_DPB_AUX_CH_DATA4	0xe4120
+#define PCH_DPB_AUX_CH_DATA5	0xe4124
+
+#define PCH_DP_C		0xe4200
+#define PCH_DPC_AUX_CH_CTL	0xe4210
+#define PCH_DPC_AUX_CH_DATA1	0xe4214
+#define PCH_DPC_AUX_CH_DATA2	0xe4218
+#define PCH_DPC_AUX_CH_DATA3	0xe421c
+#define PCH_DPC_AUX_CH_DATA4	0xe4220
+#define PCH_DPC_AUX_CH_DATA5	0xe4224
+
+#define PCH_DP_D		0xe4300
+#define PCH_DPD_AUX_CH_CTL	0xe4310
+#define PCH_DPD_AUX_CH_DATA1	0xe4314
+#define PCH_DPD_AUX_CH_DATA2	0xe4318
+#define PCH_DPD_AUX_CH_DATA3	0xe431c
+#define PCH_DPD_AUX_CH_DATA4	0xe4320
+#define PCH_DPD_AUX_CH_DATA5	0xe4324
+
 #endif /* _I915_REG_H_ */
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 9e1d16e5c3ea..1d04e1904ac6 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -598,7 +598,7 @@ int i915_restore_state(struct drm_device *dev)
 
 	for (i = 0; i < 16; i++) {
 		I915_WRITE(SWF00 + (i << 2), dev_priv->saveSWF0[i]);
-		I915_WRITE(SWF10 + (i << 2), dev_priv->saveSWF1[i+7]);
+		I915_WRITE(SWF10 + (i << 2), dev_priv->saveSWF1[i]);
 	}
 	for (i = 0; i < 3; i++)
 		I915_WRITE(SWF30 + (i << 2), dev_priv->saveSWF2[i]);
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 7cc447191028..f806fcc54e09 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -59,6 +59,16 @@ find_section(struct bdb_header *bdb, int section_id)
 	return NULL;
 }
 
+static u16
+get_blocksize(void *p)
+{
+	u16 *block_ptr, block_size;
+
+	block_ptr = (u16 *)((char *)p - 2);
+	block_size = *block_ptr;
+	return block_size;
+}
+
 static void
 fill_detail_timing_data(struct drm_display_mode *panel_fixed_mode,
 			struct lvds_dvo_timing *dvo_timing)
@@ -97,14 +107,13 @@ static void
 parse_lfp_panel_data(struct drm_i915_private *dev_priv,
 			    struct bdb_header *bdb)
 {
-	struct drm_device *dev = dev_priv->dev;
 	struct bdb_lvds_options *lvds_options;
 	struct bdb_lvds_lfp_data *lvds_lfp_data;
 	struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs;
 	struct bdb_lvds_lfp_data_entry *entry;
 	struct lvds_dvo_timing *dvo_timing;
 	struct drm_display_mode *panel_fixed_mode;
-	int lfp_data_size;
+	int lfp_data_size, dvo_timing_offset;
 
 	/* Defaults if we can't find VBT info */
 	dev_priv->lvds_dither = 0;
@@ -133,14 +142,16 @@ parse_lfp_panel_data(struct drm_i915_private *dev_priv,
 	entry = (struct bdb_lvds_lfp_data_entry *)
 		((uint8_t *)lvds_lfp_data->data + (lfp_data_size *
 						   lvds_options->panel_type));
+	dvo_timing_offset = lvds_lfp_data_ptrs->ptr[0].dvo_timing_offset -
+		lvds_lfp_data_ptrs->ptr[0].fp_timing_offset;
 
-	/* On IGDNG mobile, LVDS data block removes panel fitting registers.
-	   So dec 2 dword from dvo_timing offset */
-	if (IS_IGDNG(dev))
-		dvo_timing = (struct lvds_dvo_timing *)
-					((u8 *)&entry->dvo_timing - 8);
-	else
-		dvo_timing = &entry->dvo_timing;
+	/*
+	 * the size of fp_timing varies on the different platform.
+	 * So calculate the DVO timing relative offset in LVDS data
+	 * entry to get the DVO timing entry
+	 */
+	dvo_timing = (struct lvds_dvo_timing *)
+			((unsigned char *)entry + dvo_timing_offset);
 
 	panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode), GFP_KERNEL);
 
@@ -214,6 +225,41 @@ parse_general_features(struct drm_i915_private *dev_priv,
 }
 
 static void
+parse_general_definitions(struct drm_i915_private *dev_priv,
+			  struct bdb_header *bdb)
+{
+	struct bdb_general_definitions *general;
+	const int crt_bus_map_table[] = {
+		GPIOB,
+		GPIOA,
+		GPIOC,
+		GPIOD,
+		GPIOE,
+		GPIOF,
+	};
+
+	/* Set sensible defaults in case we can't find the general block
+	   or it is the wrong chipset */
+	dev_priv->crt_ddc_bus = -1;
+
+	general = find_section(bdb, BDB_GENERAL_DEFINITIONS);
+	if (general) {
+		u16 block_size = get_blocksize(general);
+		if (block_size >= sizeof(*general)) {
+			int bus_pin = general->crt_ddc_gmbus_pin;
+			DRM_DEBUG("crt_ddc_bus_pin: %d\n", bus_pin);
+			if ((bus_pin >= 1) && (bus_pin <= 6)) {
+				dev_priv->crt_ddc_bus =
+					crt_bus_map_table[bus_pin-1];
+			}
+		} else {
+			DRM_DEBUG("BDB_GD too small (%d). Invalid.\n",
+				  block_size);
+		}
+	}
+}
+
+static void
 parse_sdvo_device_mapping(struct drm_i915_private *dev_priv,
 		       struct bdb_header *bdb)
 {
@@ -221,7 +267,7 @@ parse_sdvo_device_mapping(struct drm_i915_private *dev_priv,
 	struct bdb_general_definitions *p_defs;
 	struct child_device_config *p_child;
 	int i, child_device_num, count;
-	u16	block_size, *block_ptr;
+	u16	block_size;
 
 	p_defs = find_section(bdb, BDB_GENERAL_DEFINITIONS);
 	if (!p_defs) {
@@ -239,8 +285,7 @@ parse_sdvo_device_mapping(struct drm_i915_private *dev_priv,
 		return;
 	}
 	/* get the block size of general definitions */
-	block_ptr = (u16 *)((char *)p_defs - 2);
-	block_size = *block_ptr;
+	block_size = get_blocksize(p_defs);
 	/* get the number of child device */
 	child_device_num = (block_size - sizeof(*p_defs)) /
 				sizeof(*p_child);
@@ -295,6 +340,25 @@ parse_sdvo_device_mapping(struct drm_i915_private *dev_priv,
 	}
 	return;
 }
+
+static void
+parse_driver_features(struct drm_i915_private *dev_priv,
+		       struct bdb_header *bdb)
+{
+	struct drm_device *dev = dev_priv->dev;
+	struct bdb_driver_features *driver;
+
+	/* set default for chips without eDP */
+	if (!SUPPORTS_EDP(dev)) {
+		dev_priv->edp_support = 0;
+		return;
+	}
+
+	driver = find_section(bdb, BDB_DRIVER_FEATURES);
+	if (driver && driver->lvds_config == BDB_DRIVER_FEATURE_EDP)
+		dev_priv->edp_support = 1;
+}
+
 /**
  * intel_init_bios - initialize VBIOS settings & find VBT
  * @dev: DRM device
@@ -342,9 +406,12 @@ intel_init_bios(struct drm_device *dev)
 
 	/* Grab useful general definitions */
 	parse_general_features(dev_priv, bdb);
+	parse_general_definitions(dev_priv, bdb);
 	parse_lfp_panel_data(dev_priv, bdb);
 	parse_sdvo_panel_data(dev_priv, bdb);
 	parse_sdvo_device_mapping(dev_priv, bdb);
+	parse_driver_features(dev_priv, bdb);
+
 	pci_unmap_rom(pdev, bios);
 
 	return 0;
diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
index fe72e1c225d8..0f8e5f69ac7a 100644
--- a/drivers/gpu/drm/i915/intel_bios.h
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -381,6 +381,51 @@ struct bdb_sdvo_lvds_options {
 } __attribute__((packed));
 
 
+#define BDB_DRIVER_FEATURE_NO_LVDS		0
+#define BDB_DRIVER_FEATURE_INT_LVDS		1
+#define BDB_DRIVER_FEATURE_SDVO_LVDS		2
+#define BDB_DRIVER_FEATURE_EDP			3
+
+struct bdb_driver_features {
+	u8 boot_dev_algorithm:1;
+	u8 block_display_switch:1;
+	u8 allow_display_switch:1;
+	u8 hotplug_dvo:1;
+	u8 dual_view_zoom:1;
+	u8 int15h_hook:1;
+	u8 sprite_in_clone:1;
+	u8 primary_lfp_id:1;
+
+	u16 boot_mode_x;
+	u16 boot_mode_y;
+	u8 boot_mode_bpp;
+	u8 boot_mode_refresh;
+
+	u16 enable_lfp_primary:1;
+	u16 selective_mode_pruning:1;
+	u16 dual_frequency:1;
+	u16 render_clock_freq:1; /* 0: high freq; 1: low freq */
+	u16 nt_clone_support:1;
+	u16 power_scheme_ui:1; /* 0: CUI; 1: 3rd party */
+	u16 sprite_display_assign:1; /* 0: secondary; 1: primary */
+	u16 cui_aspect_scaling:1;
+	u16 preserve_aspect_ratio:1;
+	u16 sdvo_device_power_down:1;
+	u16 crt_hotplug:1;
+	u16 lvds_config:2;
+	u16 tv_hotplug:1;
+	u16 hdmi_config:2;
+
+	u8 static_display:1;
+	u8 reserved2:7;
+	u16 legacy_crt_max_x;
+	u16 legacy_crt_max_y;
+	u8 legacy_crt_max_refresh;
+
+	u8 hdmi_termination;
+	u8 custom_vbt_version;
+} __attribute__((packed));
+
 bool intel_init_bios(struct drm_device *dev);
 
 /*
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index d6a1a6e5539a..590f81c8f594 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -156,6 +156,9 @@ static bool intel_igdng_crt_detect_hotplug(struct drm_connector *connector)
 
 	temp = adpa = I915_READ(PCH_ADPA);
 
+	adpa &= ~ADPA_DAC_ENABLE;
+	I915_WRITE(PCH_ADPA, adpa);
+
 	adpa &= ~ADPA_CRT_HOTPLUG_MASK;
 
 	adpa |= (ADPA_CRT_HOTPLUG_PERIOD_128 |
@@ -169,13 +172,14 @@ static bool intel_igdng_crt_detect_hotplug(struct drm_connector *connector)
 	DRM_DEBUG("pch crt adpa 0x%x", adpa);
 	I915_WRITE(PCH_ADPA, adpa);
 
-	/* This might not be needed as not specified in spec...*/
-	udelay(1000);
+	while ((I915_READ(PCH_ADPA) & ADPA_CRT_HOTPLUG_FORCE_TRIGGER) != 0)
+		;
 
 	/* Check the status to see if both blue and green are on now */
 	adpa = I915_READ(PCH_ADPA);
-	if ((adpa & ADPA_CRT_HOTPLUG_MONITOR_MASK) ==
-			ADPA_CRT_HOTPLUG_MONITOR_COLOR)
+	adpa &= ADPA_CRT_HOTPLUG_MONITOR_MASK;
+	if ((adpa == ADPA_CRT_HOTPLUG_MONITOR_COLOR) ||
+		(adpa == ADPA_CRT_HOTPLUG_MONITOR_MONO))
 		ret = true;
 	else
 		ret = false;
@@ -504,6 +508,7 @@ void intel_crt_init(struct drm_device *dev)
 {
 	struct drm_connector *connector;
 	struct intel_output *intel_output;
+	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 i2c_reg;
 
 	intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL);
@@ -523,8 +528,12 @@ void intel_crt_init(struct drm_device *dev)
 	/* Set up the DDC bus. */
 	if (IS_IGDNG(dev))
 		i2c_reg = PCH_GPIOA;
-	else
+	else {
 		i2c_reg = GPIOA;
+		/* Use VBT information for CRT DDC if available */
+		if (dev_priv->crt_ddc_bus != -1)
+			i2c_reg = dev_priv->crt_ddc_bus;
+	}
 	intel_output->ddc_bus = intel_i2c_create(dev, i2c_reg, "CRTDDC_A");
 	if (!intel_output->ddc_bus) {
 		dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
@@ -533,6 +542,10 @@ void intel_crt_init(struct drm_device *dev)
 	}
 
 	intel_output->type = INTEL_OUTPUT_ANALOG;
+	intel_output->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
+				   (1 << INTEL_ANALOG_CLONE_BIT) |
+				   (1 << INTEL_SDVO_LVDS_CLONE_BIT);
+	intel_output->crtc_mask = (1 << 0) | (1 << 1);
 	connector->interlace_allowed = 0;
 	connector->doublescan_allowed = 0;
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 508838ee31e0..3fadb5358858 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -34,6 +34,8 @@
 
 #include "drm_crtc_helper.h"
 
+#define HAS_eDP (intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))
+
 bool intel_pipe_has_type (struct drm_crtc *crtc, int type);
 static void intel_update_watermarks(struct drm_device *dev);
 
@@ -88,7 +90,7 @@ struct intel_limit {
 #define I8XX_P2_SLOW		      4
 #define I8XX_P2_FAST		      2
 #define I8XX_P2_LVDS_SLOW	      14
-#define I8XX_P2_LVDS_FAST	      14 /* No fast option */
+#define I8XX_P2_LVDS_FAST	      7
 #define I8XX_P2_SLOW_LIMIT	 165000
 
 #define I9XX_DOT_MIN		  20000
@@ -268,6 +270,9 @@ intel_igdng_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
 static bool
 intel_find_pll_g4x_dp(const intel_limit_t *, struct drm_crtc *crtc,
 		      int target, int refclk, intel_clock_t *best_clock);
+static bool
+intel_find_pll_igdng_dp(const intel_limit_t *, struct drm_crtc *crtc,
+		      int target, int refclk, intel_clock_t *best_clock);
 
 static const intel_limit_t intel_limits_i8xx_dvo = {
         .dot = { .min = I8XX_DOT_MIN,		.max = I8XX_DOT_MAX },
@@ -598,6 +603,23 @@ bool intel_pipe_has_type (struct drm_crtc *crtc, int type)
     return false;
 }
 
+struct drm_connector *
+intel_pipe_get_output (struct drm_crtc *crtc)
+{
+    struct drm_device *dev = crtc->dev;
+    struct drm_mode_config *mode_config = &dev->mode_config;
+    struct drm_connector *l_entry, *ret = NULL;
+
+    list_for_each_entry(l_entry, &mode_config->connector_list, head) {
+	    if (l_entry->encoder &&
+	        l_entry->encoder->crtc == crtc) {
+		    ret = l_entry;
+		    break;
+	    }
+    }
+    return ret;
+}
+
 #define INTELPllInvalid(s)   do { /* DRM_DEBUG(s); */ return false; } while (0)
 /**
  * Returns whether the given set of divisors are valid for a given refclk with
@@ -644,8 +666,8 @@ intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
 	intel_clock_t clock;
 	int err = target;
 
-	if (IS_I9XX(dev) && intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
-	    (I915_READ(LVDS) & LVDS_PORT_EN) != 0) {
+	if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
+	    (I915_READ(LVDS)) != 0) {
 		/*
 		 * For LVDS, if the panel is on, just rely on its current
 		 * settings for dual-channel.  We haven't figured out how to
@@ -752,6 +774,30 @@ intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
 }
 
 static bool
+intel_find_pll_igdng_dp(const intel_limit_t *limit, struct drm_crtc *crtc,
+		      int target, int refclk, intel_clock_t *best_clock)
+{
+	struct drm_device *dev = crtc->dev;
+	intel_clock_t clock;
+	if (target < 200000) {
+		clock.n = 1;
+		clock.p1 = 2;
+		clock.p2 = 10;
+		clock.m1 = 12;
+		clock.m2 = 9;
+	} else {
+		clock.n = 2;
+		clock.p1 = 1;
+		clock.p2 = 10;
+		clock.m1 = 14;
+		clock.m2 = 8;
+	}
+	intel_clock(dev, refclk, &clock);
+	memcpy(best_clock, &clock, sizeof(intel_clock_t));
+	return true;
+}
+
+static bool
 intel_igdng_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
 			int target, int refclk, intel_clock_t *best_clock)
 {
@@ -763,6 +809,14 @@ intel_igdng_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
 	int err_most = 47;
 	found = false;
 
+	/* eDP has only 2 clock choice, no n/m/p setting */
+	if (HAS_eDP)
+		return true;
+
+	if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT))
+		return intel_find_pll_igdng_dp(limit, crtc, target,
+					       refclk, best_clock);
+
 	if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
 		if ((I915_READ(LVDS) & LVDS_CLKB_POWER_MASK) ==
 		    LVDS_CLKB_POWER_UP)
@@ -998,6 +1052,90 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
 	return 0;
 }
 
+/* Disable the VGA plane that we never use */
+static void i915_disable_vga (struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u8 sr1;
+	u32 vga_reg;
+
+	if (IS_IGDNG(dev))
+		vga_reg = CPU_VGACNTRL;
+	else
+		vga_reg = VGACNTRL;
+
+	if (I915_READ(vga_reg) & VGA_DISP_DISABLE)
+		return;
+
+	I915_WRITE8(VGA_SR_INDEX, 1);
+	sr1 = I915_READ8(VGA_SR_DATA);
+	I915_WRITE8(VGA_SR_DATA, sr1 | (1 << 5));
+	udelay(100);
+
+	I915_WRITE(vga_reg, VGA_DISP_DISABLE);
+}
+
+static void igdng_disable_pll_edp (struct drm_crtc *crtc)
+{
+	struct drm_device *dev = crtc->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 dpa_ctl;
+
+	DRM_DEBUG("\n");
+	dpa_ctl = I915_READ(DP_A);
+	dpa_ctl &= ~DP_PLL_ENABLE;
+	I915_WRITE(DP_A, dpa_ctl);
+}
+
+static void igdng_enable_pll_edp (struct drm_crtc *crtc)
+{
+	struct drm_device *dev = crtc->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 dpa_ctl;
+
+	dpa_ctl = I915_READ(DP_A);
+	dpa_ctl |= DP_PLL_ENABLE;
+	I915_WRITE(DP_A, dpa_ctl);
+	udelay(200);
+}
+
+
+static void igdng_set_pll_edp (struct drm_crtc *crtc, int clock)
+{
+	struct drm_device *dev = crtc->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 dpa_ctl;
+
+	DRM_DEBUG("eDP PLL enable for clock %d\n", clock);
+	dpa_ctl = I915_READ(DP_A);
+	dpa_ctl &= ~DP_PLL_FREQ_MASK;
+
+	if (clock < 200000) {
+		u32 temp;
+		dpa_ctl |= DP_PLL_FREQ_160MHZ;
+		/* workaround for 160Mhz:
+		   1) program 0x4600c bits 15:0 = 0x8124
+		   2) program 0x46010 bit 0 = 1
+		   3) program 0x46034 bit 24 = 1
+		   4) program 0x64000 bit 14 = 1
+		   */
+		temp = I915_READ(0x4600c);
+		temp &= 0xffff0000;
+		I915_WRITE(0x4600c, temp | 0x8124);
+
+		temp = I915_READ(0x46010);
+		I915_WRITE(0x46010, temp | 1);
+
+		temp = I915_READ(0x46034);
+		I915_WRITE(0x46034, temp | (1 << 24));
+	} else {
+		dpa_ctl |= DP_PLL_FREQ_270MHZ;
+	}
+	I915_WRITE(DP_A, dpa_ctl);
+
+	udelay(500);
+}
+
 static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
 {
 	struct drm_device *dev = crtc->dev;
@@ -1015,6 +1153,7 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
 	int fdi_rx_imr_reg = (pipe == 0) ? FDI_RXA_IMR : FDI_RXB_IMR;
 	int transconf_reg = (pipe == 0) ? TRANSACONF : TRANSBCONF;
 	int pf_ctl_reg = (pipe == 0) ? PFA_CTL_1 : PFB_CTL_1;
+	int pf_win_size = (pipe == 0) ? PFA_WIN_SZ : PFB_WIN_SZ;
 	int cpu_htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
 	int cpu_hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
 	int cpu_hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
@@ -1028,7 +1167,7 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
 	int trans_vblank_reg = (pipe == 0) ? TRANS_VBLANK_A : TRANS_VBLANK_B;
 	int trans_vsync_reg = (pipe == 0) ? TRANS_VSYNC_A : TRANS_VSYNC_B;
 	u32 temp;
-	int tries = 5, j;
+	int tries = 5, j, n;
 
 	/* XXX: When our outputs are all unaware of DPMS modes other than off
 	 * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
@@ -1038,27 +1177,32 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
 	case DRM_MODE_DPMS_STANDBY:
 	case DRM_MODE_DPMS_SUSPEND:
 		DRM_DEBUG("crtc %d dpms on\n", pipe);
-		/* enable PCH DPLL */
-		temp = I915_READ(pch_dpll_reg);
-		if ((temp & DPLL_VCO_ENABLE) == 0) {
-			I915_WRITE(pch_dpll_reg, temp | DPLL_VCO_ENABLE);
-			I915_READ(pch_dpll_reg);
-		}
-
-		/* enable PCH FDI RX PLL, wait warmup plus DMI latency */
-		temp = I915_READ(fdi_rx_reg);
-		I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE |
-				FDI_SEL_PCDCLK |
-				FDI_DP_PORT_WIDTH_X4); /* default 4 lanes */
-		I915_READ(fdi_rx_reg);
-		udelay(200);
+		if (HAS_eDP) {
+			/* enable eDP PLL */
+			igdng_enable_pll_edp(crtc);
+		} else {
+			/* enable PCH DPLL */
+			temp = I915_READ(pch_dpll_reg);
+			if ((temp & DPLL_VCO_ENABLE) == 0) {
+				I915_WRITE(pch_dpll_reg, temp | DPLL_VCO_ENABLE);
+				I915_READ(pch_dpll_reg);
+			}
 
-		/* Enable CPU FDI TX PLL, always on for IGDNG */
-		temp = I915_READ(fdi_tx_reg);
-		if ((temp & FDI_TX_PLL_ENABLE) == 0) {
-			I915_WRITE(fdi_tx_reg, temp | FDI_TX_PLL_ENABLE);
-			I915_READ(fdi_tx_reg);
-			udelay(100);
+			/* enable PCH FDI RX PLL, wait warmup plus DMI latency */
+			temp = I915_READ(fdi_rx_reg);
+			I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE |
+					FDI_SEL_PCDCLK |
+					FDI_DP_PORT_WIDTH_X4); /* default 4 lanes */
+			I915_READ(fdi_rx_reg);
+			udelay(200);
+
+			/* Enable CPU FDI TX PLL, always on for IGDNG */
+			temp = I915_READ(fdi_tx_reg);
+			if ((temp & FDI_TX_PLL_ENABLE) == 0) {
+				I915_WRITE(fdi_tx_reg, temp | FDI_TX_PLL_ENABLE);
+				I915_READ(fdi_tx_reg);
+				udelay(100);
+			}
 		}
 
 		/* Enable CPU pipe */
@@ -1077,122 +1221,126 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
 			I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
 		}
 
-		/* enable CPU FDI TX and PCH FDI RX */
-		temp = I915_READ(fdi_tx_reg);
-		temp |= FDI_TX_ENABLE;
-		temp |= FDI_DP_PORT_WIDTH_X4; /* default */
-		temp &= ~FDI_LINK_TRAIN_NONE;
-		temp |= FDI_LINK_TRAIN_PATTERN_1;
-		I915_WRITE(fdi_tx_reg, temp);
-		I915_READ(fdi_tx_reg);
+		if (!HAS_eDP) {
+			/* enable CPU FDI TX and PCH FDI RX */
+			temp = I915_READ(fdi_tx_reg);
+			temp |= FDI_TX_ENABLE;
+			temp |= FDI_DP_PORT_WIDTH_X4; /* default */
+			temp &= ~FDI_LINK_TRAIN_NONE;
+			temp |= FDI_LINK_TRAIN_PATTERN_1;
+			I915_WRITE(fdi_tx_reg, temp);
+			I915_READ(fdi_tx_reg);
 
-		temp = I915_READ(fdi_rx_reg);
-		temp &= ~FDI_LINK_TRAIN_NONE;
-		temp |= FDI_LINK_TRAIN_PATTERN_1;
-		I915_WRITE(fdi_rx_reg, temp | FDI_RX_ENABLE);
-		I915_READ(fdi_rx_reg);
+			temp = I915_READ(fdi_rx_reg);
+			temp &= ~FDI_LINK_TRAIN_NONE;
+			temp |= FDI_LINK_TRAIN_PATTERN_1;
+			I915_WRITE(fdi_rx_reg, temp | FDI_RX_ENABLE);
+			I915_READ(fdi_rx_reg);
 
-		udelay(150);
+			udelay(150);
 
-		/* Train FDI. */
-		/* umask FDI RX Interrupt symbol_lock and bit_lock bit
-		   for train result */
-		temp = I915_READ(fdi_rx_imr_reg);
-		temp &= ~FDI_RX_SYMBOL_LOCK;
-		temp &= ~FDI_RX_BIT_LOCK;
-		I915_WRITE(fdi_rx_imr_reg, temp);
-		I915_READ(fdi_rx_imr_reg);
-		udelay(150);
+			/* Train FDI. */
+			/* umask FDI RX Interrupt symbol_lock and bit_lock bit
+			   for train result */
+			temp = I915_READ(fdi_rx_imr_reg);
+			temp &= ~FDI_RX_SYMBOL_LOCK;
+			temp &= ~FDI_RX_BIT_LOCK;
+			I915_WRITE(fdi_rx_imr_reg, temp);
+			I915_READ(fdi_rx_imr_reg);
+			udelay(150);
 
-		temp = I915_READ(fdi_rx_iir_reg);
-		DRM_DEBUG("FDI_RX_IIR 0x%x\n", temp);
+			temp = I915_READ(fdi_rx_iir_reg);
+			DRM_DEBUG("FDI_RX_IIR 0x%x\n", temp);
 
-		if ((temp & FDI_RX_BIT_LOCK) == 0) {
-			for (j = 0; j < tries; j++) {
-				temp = I915_READ(fdi_rx_iir_reg);
-				DRM_DEBUG("FDI_RX_IIR 0x%x\n", temp);
-				if (temp & FDI_RX_BIT_LOCK)
-					break;
-				udelay(200);
-			}
-			if (j != tries)
+			if ((temp & FDI_RX_BIT_LOCK) == 0) {
+				for (j = 0; j < tries; j++) {
+					temp = I915_READ(fdi_rx_iir_reg);
+					DRM_DEBUG("FDI_RX_IIR 0x%x\n", temp);
+					if (temp & FDI_RX_BIT_LOCK)
+						break;
+					udelay(200);
+				}
+				if (j != tries)
+					I915_WRITE(fdi_rx_iir_reg,
+							temp | FDI_RX_BIT_LOCK);
+				else
+					DRM_DEBUG("train 1 fail\n");
+			} else {
 				I915_WRITE(fdi_rx_iir_reg,
 						temp | FDI_RX_BIT_LOCK);
-			else
-				DRM_DEBUG("train 1 fail\n");
-		} else {
-			I915_WRITE(fdi_rx_iir_reg,
-					temp | FDI_RX_BIT_LOCK);
-			DRM_DEBUG("train 1 ok 2!\n");
-		}
-		temp = I915_READ(fdi_tx_reg);
-		temp &= ~FDI_LINK_TRAIN_NONE;
-		temp |= FDI_LINK_TRAIN_PATTERN_2;
-		I915_WRITE(fdi_tx_reg, temp);
-
-		temp = I915_READ(fdi_rx_reg);
-		temp &= ~FDI_LINK_TRAIN_NONE;
-		temp |= FDI_LINK_TRAIN_PATTERN_2;
-		I915_WRITE(fdi_rx_reg, temp);
+				DRM_DEBUG("train 1 ok 2!\n");
+			}
+			temp = I915_READ(fdi_tx_reg);
+			temp &= ~FDI_LINK_TRAIN_NONE;
+			temp |= FDI_LINK_TRAIN_PATTERN_2;
+			I915_WRITE(fdi_tx_reg, temp);
+
+			temp = I915_READ(fdi_rx_reg);
+			temp &= ~FDI_LINK_TRAIN_NONE;
+			temp |= FDI_LINK_TRAIN_PATTERN_2;
+			I915_WRITE(fdi_rx_reg, temp);
 
-		udelay(150);
+			udelay(150);
 
-		temp = I915_READ(fdi_rx_iir_reg);
-		DRM_DEBUG("FDI_RX_IIR 0x%x\n", temp);
+			temp = I915_READ(fdi_rx_iir_reg);
+			DRM_DEBUG("FDI_RX_IIR 0x%x\n", temp);
 
-		if ((temp & FDI_RX_SYMBOL_LOCK) == 0) {
-			for (j = 0; j < tries; j++) {
-				temp = I915_READ(fdi_rx_iir_reg);
-				DRM_DEBUG("FDI_RX_IIR 0x%x\n", temp);
-				if (temp & FDI_RX_SYMBOL_LOCK)
-					break;
-				udelay(200);
-			}
-			if (j != tries) {
+			if ((temp & FDI_RX_SYMBOL_LOCK) == 0) {
+				for (j = 0; j < tries; j++) {
+					temp = I915_READ(fdi_rx_iir_reg);
+					DRM_DEBUG("FDI_RX_IIR 0x%x\n", temp);
+					if (temp & FDI_RX_SYMBOL_LOCK)
+						break;
+					udelay(200);
+				}
+				if (j != tries) {
+					I915_WRITE(fdi_rx_iir_reg,
+							temp | FDI_RX_SYMBOL_LOCK);
+					DRM_DEBUG("train 2 ok 1!\n");
+				} else
+					DRM_DEBUG("train 2 fail\n");
+			} else {
 				I915_WRITE(fdi_rx_iir_reg,
 						temp | FDI_RX_SYMBOL_LOCK);
-				DRM_DEBUG("train 2 ok 1!\n");
-			} else
-				DRM_DEBUG("train 2 fail\n");
-		} else {
-			I915_WRITE(fdi_rx_iir_reg, temp | FDI_RX_SYMBOL_LOCK);
-			DRM_DEBUG("train 2 ok 2!\n");
-		}
-		DRM_DEBUG("train done\n");
+				DRM_DEBUG("train 2 ok 2!\n");
+			}
+			DRM_DEBUG("train done\n");
 
-		/* set transcoder timing */
-		I915_WRITE(trans_htot_reg, I915_READ(cpu_htot_reg));
-		I915_WRITE(trans_hblank_reg, I915_READ(cpu_hblank_reg));
-		I915_WRITE(trans_hsync_reg, I915_READ(cpu_hsync_reg));
+			/* set transcoder timing */
+			I915_WRITE(trans_htot_reg, I915_READ(cpu_htot_reg));
+			I915_WRITE(trans_hblank_reg, I915_READ(cpu_hblank_reg));
+			I915_WRITE(trans_hsync_reg, I915_READ(cpu_hsync_reg));
 
-		I915_WRITE(trans_vtot_reg, I915_READ(cpu_vtot_reg));
-		I915_WRITE(trans_vblank_reg, I915_READ(cpu_vblank_reg));
-		I915_WRITE(trans_vsync_reg, I915_READ(cpu_vsync_reg));
+			I915_WRITE(trans_vtot_reg, I915_READ(cpu_vtot_reg));
+			I915_WRITE(trans_vblank_reg, I915_READ(cpu_vblank_reg));
+			I915_WRITE(trans_vsync_reg, I915_READ(cpu_vsync_reg));
 
-		/* enable PCH transcoder */
-		temp = I915_READ(transconf_reg);
-		I915_WRITE(transconf_reg, temp | TRANS_ENABLE);
-		I915_READ(transconf_reg);
+			/* enable PCH transcoder */
+			temp = I915_READ(transconf_reg);
+			I915_WRITE(transconf_reg, temp | TRANS_ENABLE);
+			I915_READ(transconf_reg);
 
-		while ((I915_READ(transconf_reg) & TRANS_STATE_ENABLE) == 0)
-			;
+			while ((I915_READ(transconf_reg) & TRANS_STATE_ENABLE) == 0)
+				;
 
-		/* enable normal */
+			/* enable normal */
 
-		temp = I915_READ(fdi_tx_reg);
-		temp &= ~FDI_LINK_TRAIN_NONE;
-		I915_WRITE(fdi_tx_reg, temp | FDI_LINK_TRAIN_NONE |
-				FDI_TX_ENHANCE_FRAME_ENABLE);
-		I915_READ(fdi_tx_reg);
+			temp = I915_READ(fdi_tx_reg);
+			temp &= ~FDI_LINK_TRAIN_NONE;
+			I915_WRITE(fdi_tx_reg, temp | FDI_LINK_TRAIN_NONE |
+					FDI_TX_ENHANCE_FRAME_ENABLE);
+			I915_READ(fdi_tx_reg);
 
-		temp = I915_READ(fdi_rx_reg);
-		temp &= ~FDI_LINK_TRAIN_NONE;
-		I915_WRITE(fdi_rx_reg, temp | FDI_LINK_TRAIN_NONE |
-				FDI_RX_ENHANCE_FRAME_ENABLE);
-		I915_READ(fdi_rx_reg);
+			temp = I915_READ(fdi_rx_reg);
+			temp &= ~FDI_LINK_TRAIN_NONE;
+			I915_WRITE(fdi_rx_reg, temp | FDI_LINK_TRAIN_NONE |
+					FDI_RX_ENHANCE_FRAME_ENABLE);
+			I915_READ(fdi_rx_reg);
 
-		/* wait one idle pattern time */
-		udelay(100);
+			/* wait one idle pattern time */
+			udelay(100);
+
+		}
 
 		intel_crtc_load_lut(crtc);
 
@@ -1200,8 +1348,7 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
 	case DRM_MODE_DPMS_OFF:
 		DRM_DEBUG("crtc %d dpms off\n", pipe);
 
-		/* Disable the VGA plane that we never use */
-		I915_WRITE(CPU_VGACNTRL, VGA_DISP_DISABLE);
+		i915_disable_vga(dev);
 
 		/* Disable display plane */
 		temp = I915_READ(dspcntr_reg);
@@ -1217,17 +1364,23 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
 		if ((temp & PIPEACONF_ENABLE) != 0) {
 			I915_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE);
 			I915_READ(pipeconf_reg);
+			n = 0;
 			/* wait for cpu pipe off, pipe state */
-			while ((I915_READ(pipeconf_reg) & I965_PIPECONF_ACTIVE) != 0)
-				;
+			while ((I915_READ(pipeconf_reg) & I965_PIPECONF_ACTIVE) != 0) {
+				n++;
+				if (n < 60) {
+					udelay(500);
+					continue;
+				} else {
+					DRM_DEBUG("pipe %d off delay\n", pipe);
+					break;
+				}
+			}
 		} else
 			DRM_DEBUG("crtc %d is disabled\n", pipe);
 
-		/* IGDNG-A : disable cpu panel fitter ? */
-		temp = I915_READ(pf_ctl_reg);
-		if ((temp & PF_ENABLE) != 0) {
-			I915_WRITE(pf_ctl_reg, temp & ~PF_ENABLE);
-			I915_READ(pf_ctl_reg);
+		if (HAS_eDP) {
+			igdng_disable_pll_edp(crtc);
 		}
 
 		/* disable CPU FDI tx and PCH FDI rx */
@@ -1239,6 +1392,8 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
 		I915_WRITE(fdi_rx_reg, temp & ~FDI_RX_ENABLE);
 		I915_READ(fdi_rx_reg);
 
+		udelay(100);
+
 		/* still set train pattern 1 */
 		temp = I915_READ(fdi_tx_reg);
 		temp &= ~FDI_LINK_TRAIN_NONE;
@@ -1250,14 +1405,25 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
 		temp |= FDI_LINK_TRAIN_PATTERN_1;
 		I915_WRITE(fdi_rx_reg, temp);
 
+		udelay(100);
+
 		/* disable PCH transcoder */
 		temp = I915_READ(transconf_reg);
 		if ((temp & TRANS_ENABLE) != 0) {
 			I915_WRITE(transconf_reg, temp & ~TRANS_ENABLE);
 			I915_READ(transconf_reg);
+			n = 0;
 			/* wait for PCH transcoder off, transcoder state */
-			while ((I915_READ(transconf_reg) & TRANS_STATE_ENABLE) != 0)
-				;
+			while ((I915_READ(transconf_reg) & TRANS_STATE_ENABLE) != 0) {
+				n++;
+				if (n < 60) {
+					udelay(500);
+					continue;
+				} else {
+					DRM_DEBUG("transcoder %d off delay\n", pipe);
+					break;
+				}
+			}
 		}
 
 		/* disable PCH DPLL */
@@ -1275,6 +1441,22 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
 			I915_READ(fdi_rx_reg);
 		}
 
+		/* Disable CPU FDI TX PLL */
+		temp = I915_READ(fdi_tx_reg);
+		if ((temp & FDI_TX_PLL_ENABLE) != 0) {
+			I915_WRITE(fdi_tx_reg, temp & ~FDI_TX_PLL_ENABLE);
+			I915_READ(fdi_tx_reg);
+			udelay(100);
+		}
+
+		/* Disable PF */
+		temp = I915_READ(pf_ctl_reg);
+		if ((temp & PF_ENABLE) != 0) {
+			I915_WRITE(pf_ctl_reg, temp & ~PF_ENABLE);
+			I915_READ(pf_ctl_reg);
+		}
+		I915_WRITE(pf_win_size, 0);
+
 		/* Wait for the clocks to turn off. */
 		udelay(150);
 		break;
@@ -1342,7 +1524,7 @@ static void i9xx_crtc_dpms(struct drm_crtc *crtc, int mode)
 		//intel_crtc_dpms_video(crtc, FALSE); TODO
 
 		/* Disable the VGA plane that we never use */
-		I915_WRITE(VGACNTRL, VGA_DISP_DISABLE);
+		i915_disable_vga(dev);
 
 		/* Disable display plane */
 		temp = I915_READ(dspcntr_reg);
@@ -1623,48 +1805,72 @@ static struct intel_watermark_params igd_cursor_hplloff_wm = {
 	IGD_FIFO_LINE_SIZE
 };
 static struct intel_watermark_params i945_wm_info = {
-	I915_FIFO_LINE_SIZE,
+	I945_FIFO_SIZE,
 	I915_MAX_WM,
 	1,
-	0,
-	IGD_FIFO_LINE_SIZE
+	2,
+	I915_FIFO_LINE_SIZE
 };
 static struct intel_watermark_params i915_wm_info = {
-	I945_FIFO_SIZE,
+	I915_FIFO_SIZE,
 	I915_MAX_WM,
 	1,
-	0,
+	2,
 	I915_FIFO_LINE_SIZE
 };
 static struct intel_watermark_params i855_wm_info = {
 	I855GM_FIFO_SIZE,
 	I915_MAX_WM,
 	1,
-	0,
+	2,
 	I830_FIFO_LINE_SIZE
 };
 static struct intel_watermark_params i830_wm_info = {
 	I830_FIFO_SIZE,
 	I915_MAX_WM,
 	1,
-	0,
+	2,
 	I830_FIFO_LINE_SIZE
 };
 
+/**
+ * intel_calculate_wm - calculate watermark level
+ * @clock_in_khz: pixel clock
+ * @wm: chip FIFO params
+ * @pixel_size: display pixel size
+ * @latency_ns: memory latency for the platform
+ *
+ * Calculate the watermark level (the level at which the display plane will
+ * start fetching from memory again).  Each chip has a different display
+ * FIFO size and allocation, so the caller needs to figure that out and pass
+ * in the correct intel_watermark_params structure.
+ *
+ * As the pixel clock runs, the FIFO will be drained at a rate that depends
+ * on the pixel size.  When it reaches the watermark level, it'll start
+ * fetching FIFO line sized based chunks from memory until the FIFO fills
+ * past the watermark point.  If the FIFO drains completely, a FIFO underrun
+ * will occur, and a display engine hang could result.
+ */
 static unsigned long intel_calculate_wm(unsigned long clock_in_khz,
 					struct intel_watermark_params *wm,
 					int pixel_size,
 					unsigned long latency_ns)
 {
-	unsigned long bytes_required, wm_size;
+	long entries_required, wm_size;
 
-	bytes_required = (clock_in_khz * pixel_size * latency_ns) / 1000000;
-	bytes_required /= wm->cacheline_size;
-	wm_size = wm->fifo_size - bytes_required - wm->guard_size;
+	entries_required = (clock_in_khz * pixel_size * latency_ns) / 1000000;
+	entries_required /= wm->cacheline_size;
 
-	if (wm_size > wm->max_wm)
+	DRM_DEBUG("FIFO entries required for mode: %d\n", entries_required);
+
+	wm_size = wm->fifo_size - (entries_required + wm->guard_size);
+
+	DRM_DEBUG("FIFO watermark level: %d\n", wm_size);
+
+	/* Don't promote wm_size to unsigned... */
+	if (wm_size > (long)wm->max_wm)
 		wm_size = wm->max_wm;
-	if (wm_size == 0)
+	if (wm_size <= 0)
 		wm_size = wm->default_wm;
 	return wm_size;
 }
@@ -1799,8 +2005,40 @@ static void igd_enable_cxsr(struct drm_device *dev, unsigned long clock,
 	return;
 }
 
-const static int latency_ns = 5000; /* default for non-igd platforms */
+const static int latency_ns = 3000; /* default for non-igd platforms */
 
+static int intel_get_fifo_size(struct drm_device *dev, int plane)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	uint32_t dsparb = I915_READ(DSPARB);
+	int size;
+
+	if (IS_I9XX(dev)) {
+		if (plane == 0)
+			size = dsparb & 0x7f;
+		else
+			size = ((dsparb >> DSPARB_CSTART_SHIFT) & 0x7f) -
+				(dsparb & 0x7f);
+	} else if (IS_I85X(dev)) {
+		if (plane == 0)
+			size = dsparb & 0x1ff;
+		else
+			size = ((dsparb >> DSPARB_BEND_SHIFT) & 0x1ff) -
+				(dsparb & 0x1ff);
+		size >>= 1; /* Convert to cachelines */
+	} else if (IS_845G(dev)) {
+		size = dsparb & 0x7f;
+		size >>= 2; /* Convert to cachelines */
+	} else {
+		size = dsparb & 0x7f;
+		size >>= 1; /* Convert to cachelines */
+	}
+
+	DRM_DEBUG("FIFO size - (0x%08x) %s: %d\n", dsparb, plane ? "B" : "A",
+		  size);
+
+	return size;
+}
 
 static void i965_update_wm(struct drm_device *dev)
 {
@@ -1817,101 +2055,89 @@ static void i9xx_update_wm(struct drm_device *dev, int planea_clock,
 			   int planeb_clock, int sr_hdisplay, int pixel_size)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	uint32_t fwater_lo = I915_READ(FW_BLC) & MM_FIFO_WATERMARK;
-	uint32_t fwater_hi = I915_READ(FW_BLC2) & LM_FIFO_WATERMARK;
-	int bsize, asize, cwm, bwm = 1, awm = 1, srwm = 1;
-	uint32_t dsparb = I915_READ(DSPARB);
-	int planea_entries, planeb_entries;
-	struct intel_watermark_params *wm_params;
+	uint32_t fwater_lo;
+	uint32_t fwater_hi;
+	int total_size, cacheline_size, cwm, srwm = 1;
+	int planea_wm, planeb_wm;
+	struct intel_watermark_params planea_params, planeb_params;
 	unsigned long line_time_us;
 	int sr_clock, sr_entries = 0;
 
+	/* Create copies of the base settings for each pipe */
 	if (IS_I965GM(dev) || IS_I945GM(dev))
-		wm_params = &i945_wm_info;
+		planea_params = planeb_params = i945_wm_info;
 	else if (IS_I9XX(dev))
-		wm_params = &i915_wm_info;
+		planea_params = planeb_params = i915_wm_info;
 	else
-		wm_params = &i855_wm_info;
+		planea_params = planeb_params = i855_wm_info;
 
-	planea_entries = intel_calculate_wm(planea_clock, wm_params,
-					    pixel_size, latency_ns);
-	planeb_entries = intel_calculate_wm(planeb_clock, wm_params,
-					    pixel_size, latency_ns);
+	/* Grab a couple of global values before we overwrite them */
+	total_size = planea_params.fifo_size;
+	cacheline_size = planea_params.cacheline_size;
 
-	DRM_DEBUG("FIFO entries - A: %d, B: %d\n", planea_entries,
-		  planeb_entries);
+	/* Update per-plane FIFO sizes */
+	planea_params.fifo_size = intel_get_fifo_size(dev, 0);
+	planeb_params.fifo_size = intel_get_fifo_size(dev, 1);
 
-	if (IS_I9XX(dev)) {
-		asize = dsparb & 0x7f;
-		bsize = (dsparb >> DSPARB_CSTART_SHIFT) & 0x7f;
-	} else {
-		asize = dsparb & 0x1ff;
-		bsize = (dsparb >> DSPARB_BEND_SHIFT) & 0x1ff;
-	}
-	DRM_DEBUG("FIFO size - A: %d, B: %d\n", asize, bsize);
-
-	/* Two extra entries for padding */
-	awm = asize - (planea_entries + 2);
-	bwm = bsize - (planeb_entries + 2);
-
-	/* Sanity check against potentially bad FIFO allocations */
-	if (awm <= 0) {
-		/* pipe is on but has too few FIFO entries */
-		if (planea_entries != 0)
-			DRM_DEBUG("plane A needs more FIFO entries\n");
-		awm = 1;
-	}
-	if (bwm <= 0) {
-		if (planeb_entries != 0)
-			DRM_DEBUG("plane B needs more FIFO entries\n");
-		bwm = 1;
-	}
+	planea_wm = intel_calculate_wm(planea_clock, &planea_params,
+				       pixel_size, latency_ns);
+	planeb_wm = intel_calculate_wm(planeb_clock, &planeb_params,
+				       pixel_size, latency_ns);
+	DRM_DEBUG("FIFO watermarks - A: %d, B: %d\n", planea_wm, planeb_wm);
 
 	/*
 	 * Overlay gets an aggressive default since video jitter is bad.
 	 */
 	cwm = 2;
 
-	/* Calc sr entries for one pipe configs */
-	if (!planea_clock || !planeb_clock) {
+	/* Calc sr entries for one plane configs */
+	if (sr_hdisplay && (!planea_clock || !planeb_clock)) {
+		/* self-refresh has much higher latency */
+		const static int sr_latency_ns = 6000;
+
 		sr_clock = planea_clock ? planea_clock : planeb_clock;
-		line_time_us = (sr_hdisplay * 1000) / sr_clock;
-		sr_entries = (((latency_ns / line_time_us) + 1) * pixel_size *
-			      sr_hdisplay) / 1000;
-		sr_entries = roundup(sr_entries / wm_params->cacheline_size, 1);
-		if (sr_entries < wm_params->fifo_size)
-			srwm = wm_params->fifo_size - sr_entries;
+		line_time_us = ((sr_hdisplay * 1000) / sr_clock);
+
+		/* Use ns/us then divide to preserve precision */
+		sr_entries = (((sr_latency_ns / line_time_us) + 1) *
+			      pixel_size * sr_hdisplay) / 1000;
+		sr_entries = roundup(sr_entries / cacheline_size, 1);
+		DRM_DEBUG("self-refresh entries: %d\n", sr_entries);
+		srwm = total_size - sr_entries;
+		if (srwm < 0)
+			srwm = 1;
+		if (IS_I9XX(dev))
+			I915_WRITE(FW_BLC_SELF, (srwm & 0x3f));
 	}
 
 	DRM_DEBUG("Setting FIFO watermarks - A: %d, B: %d, C: %d, SR %d\n",
-		  awm, bwm, cwm, srwm);
+		  planea_wm, planeb_wm, cwm, srwm);
 
-	fwater_lo = fwater_lo | ((bwm & 0x3f) << 16) | (awm & 0x3f);
-	fwater_hi = fwater_hi | (cwm & 0x1f);
+	fwater_lo = ((planeb_wm & 0x3f) << 16) | (planea_wm & 0x3f);
+	fwater_hi = (cwm & 0x1f);
+
+	/* Set request length to 8 cachelines per fetch */
+	fwater_lo = fwater_lo | (1 << 24) | (1 << 8);
+	fwater_hi = fwater_hi | (1 << 8);
 
 	I915_WRITE(FW_BLC, fwater_lo);
 	I915_WRITE(FW_BLC2, fwater_hi);
-	if (IS_I9XX(dev))
-		I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN | (srwm & 0x3f));
 }
 
 static void i830_update_wm(struct drm_device *dev, int planea_clock,
 			   int pixel_size)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	uint32_t dsparb = I915_READ(DSPARB);
-	uint32_t fwater_lo = I915_READ(FW_BLC) & MM_FIFO_WATERMARK;
-	unsigned int asize, awm;
-	int planea_entries;
-
-	planea_entries = intel_calculate_wm(planea_clock, &i830_wm_info,
-					    pixel_size, latency_ns);
+	uint32_t fwater_lo = I915_READ(FW_BLC) & ~0xfff;
+	int planea_wm;
 
-	asize = dsparb & 0x7f;
+	i830_wm_info.fifo_size = intel_get_fifo_size(dev, 0);
 
-	awm = asize - planea_entries;
+	planea_wm = intel_calculate_wm(planea_clock, &i830_wm_info,
+				       pixel_size, latency_ns);
+	fwater_lo |= (3<<8) | planea_wm;
 
-	fwater_lo = fwater_lo | awm;
+	DRM_DEBUG("Setting FIFO watermarks - A: %d\n", planea_wm);
 
 	I915_WRITE(FW_BLC, fwater_lo);
 }
@@ -1984,7 +2210,7 @@ static void intel_update_watermarks(struct drm_device *dev)
 	if (enabled <= 0)
 		return;
 
-	/* Single pipe configs can enable self refresh */
+	/* Single plane configs can enable self refresh */
 	if (enabled == 1 && IS_IGD(dev))
 		igd_enable_cxsr(dev, sr_clock, pixel_size);
 	else if (IS_IGD(dev))
@@ -2028,6 +2254,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	u32 dpll = 0, fp = 0, dspcntr, pipeconf;
 	bool ok, is_sdvo = false, is_dvo = false;
 	bool is_crt = false, is_lvds = false, is_tv = false, is_dp = false;
+	bool is_edp = false;
 	struct drm_mode_config *mode_config = &dev->mode_config;
 	struct drm_connector *connector;
 	const intel_limit_t *limit;
@@ -2043,6 +2270,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	int lvds_reg = LVDS;
 	u32 temp;
 	int sdvo_pixel_multiply;
+	int target_clock;
 
 	drm_vblank_pre_modeset(dev, pipe);
 
@@ -2074,6 +2302,9 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		case INTEL_OUTPUT_DISPLAYPORT:
 			is_dp = true;
 			break;
+		case INTEL_OUTPUT_EDP:
+			is_edp = true;
+			break;
 		}
 
 		num_outputs++;
@@ -2125,11 +2356,29 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	}
 
 	/* FDI link */
-	if (IS_IGDNG(dev))
-		igdng_compute_m_n(3, 4, /* lane num 4 */
-				adjusted_mode->clock,
-				270000, /* lane clock */
-				&m_n);
+	if (IS_IGDNG(dev)) {
+		int lane, link_bw;
+		/* eDP doesn't require FDI link, so just set DP M/N
+		   according to current link config */
+		if (is_edp) {
+			struct drm_connector *edp;
+			target_clock = mode->clock;
+			edp = intel_pipe_get_output(crtc);
+			intel_edp_link_config(to_intel_output(edp),
+					&lane, &link_bw);
+		} else {
+			/* DP over FDI requires target mode clock
+			   instead of link clock */
+			if (is_dp)
+				target_clock = mode->clock;
+			else
+				target_clock = adjusted_mode->clock;
+			lane = 4;
+			link_bw = 270000;
+		}
+		igdng_compute_m_n(3, lane, target_clock,
+				  link_bw, &m_n);
+	}
 
 	if (IS_IGD(dev))
 		fp = (1 << clock.n) << 16 | clock.m1 << 8 | clock.m2;
@@ -2147,7 +2396,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		if (is_sdvo) {
 			dpll |= DPLL_DVO_HIGH_SPEED;
 			sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
-			if (IS_I945G(dev) || IS_I945GM(dev))
+			if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
 				dpll |= (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES;
 			else if (IS_IGDNG(dev))
 				dpll |= (sdvo_pixel_multiply - 1) << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT;
@@ -2250,29 +2499,15 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		dpll_reg = pch_dpll_reg;
 	}
 
-	if (dpll & DPLL_VCO_ENABLE) {
+	if (is_edp) {
+		igdng_disable_pll_edp(crtc);
+	} else if ((dpll & DPLL_VCO_ENABLE)) {
 		I915_WRITE(fp_reg, fp);
 		I915_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE);
 		I915_READ(dpll_reg);
 		udelay(150);
 	}
 
-	if (IS_IGDNG(dev)) {
-		/* enable PCH clock reference source */
-		/* XXX need to change the setting for other outputs */
-		u32 temp;
-		temp = I915_READ(PCH_DREF_CONTROL);
-		temp &= ~DREF_NONSPREAD_SOURCE_MASK;
-		temp |= DREF_NONSPREAD_CK505_ENABLE;
-		temp &= ~DREF_SSC_SOURCE_MASK;
-		temp |= DREF_SSC_SOURCE_ENABLE;
-		temp &= ~DREF_SSC1_ENABLE;
-		/* if no eDP, disable source output to CPU */
-		temp &= ~DREF_CPU_SOURCE_OUTPUT_MASK;
-		temp |= DREF_CPU_SOURCE_OUTPUT_DISABLE;
-		I915_WRITE(PCH_DREF_CONTROL, temp);
-	}
-
 	/* The LVDS pin pair needs to be on before the DPLLs are enabled.
 	 * This is an exception to the general rule that mode_set doesn't turn
 	 * things on.
@@ -2304,23 +2539,25 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	if (is_dp)
 		intel_dp_set_m_n(crtc, mode, adjusted_mode);
 
-	I915_WRITE(fp_reg, fp);
-	I915_WRITE(dpll_reg, dpll);
-	I915_READ(dpll_reg);
-	/* Wait for the clocks to stabilize. */
-	udelay(150);
-
-	if (IS_I965G(dev) && !IS_IGDNG(dev)) {
-		sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
-		I915_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) |
-			   ((sdvo_pixel_multiply - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT));
-	} else {
-		/* write it again -- the BIOS does, after all */
+	if (!is_edp) {
+		I915_WRITE(fp_reg, fp);
 		I915_WRITE(dpll_reg, dpll);
+		I915_READ(dpll_reg);
+		/* Wait for the clocks to stabilize. */
+		udelay(150);
+
+		if (IS_I965G(dev) && !IS_IGDNG(dev)) {
+			sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
+			I915_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) |
+					((sdvo_pixel_multiply - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT));
+		} else {
+			/* write it again -- the BIOS does, after all */
+			I915_WRITE(dpll_reg, dpll);
+		}
+		I915_READ(dpll_reg);
+		/* Wait for the clocks to stabilize. */
+		udelay(150);
 	}
-	I915_READ(dpll_reg);
-	/* Wait for the clocks to stabilize. */
-	udelay(150);
 
 	I915_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
 		   ((adjusted_mode->crtc_htotal - 1) << 16));
@@ -2350,10 +2587,14 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		I915_WRITE(link_m1_reg, m_n.link_m);
 		I915_WRITE(link_n1_reg, m_n.link_n);
 
-		 /* enable FDI RX PLL too */
-		temp = I915_READ(fdi_rx_reg);
-		I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE);
-		udelay(200);
+		if (is_edp) {
+			igdng_set_pll_edp(crtc, adjusted_mode->clock);
+		} else {
+			/* enable FDI RX PLL too */
+			temp = I915_READ(fdi_rx_reg);
+			I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE);
+			udelay(200);
+		}
 	}
 
 	I915_WRITE(pipeconf_reg, pipeconf);
@@ -2929,7 +3170,7 @@ static int intel_connector_clones(struct drm_device *dev, int type_mask)
 
         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		struct intel_output *intel_output = to_intel_output(connector);
-		if (type_mask & (1 << intel_output->type))
+		if (type_mask & intel_output->clone_mask)
 			index_mask |= (1 << entry);
 		entry++;
 	}
@@ -2951,12 +3192,17 @@ static void intel_setup_outputs(struct drm_device *dev)
 	if (IS_IGDNG(dev)) {
 		int found;
 
+		if (IS_MOBILE(dev) && (I915_READ(DP_A) & DP_DETECTED))
+			intel_dp_init(dev, DP_A);
+
 		if (I915_READ(HDMIB) & PORT_DETECTED) {
 			/* check SDVOB */
 			/* found = intel_sdvo_init(dev, HDMIB); */
 			found = 0;
 			if (!found)
 				intel_hdmi_init(dev, HDMIB);
+			if (!found && (I915_READ(PCH_DP_B) & DP_DETECTED))
+				intel_dp_init(dev, PCH_DP_B);
 		}
 
 		if (I915_READ(HDMIC) & PORT_DETECTED)
@@ -2965,31 +3211,37 @@ static void intel_setup_outputs(struct drm_device *dev)
 		if (I915_READ(HDMID) & PORT_DETECTED)
 			intel_hdmi_init(dev, HDMID);
 
+		if (I915_READ(PCH_DP_C) & DP_DETECTED)
+			intel_dp_init(dev, PCH_DP_C);
+
+		if (I915_READ(PCH_DP_D) & DP_DETECTED)
+			intel_dp_init(dev, PCH_DP_D);
+
 	} else if (IS_I9XX(dev)) {
-		int found;
-		u32 reg;
+		bool found = false;
 
 		if (I915_READ(SDVOB) & SDVO_DETECTED) {
 			found = intel_sdvo_init(dev, SDVOB);
 			if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
 				intel_hdmi_init(dev, SDVOB);
+
 			if (!found && SUPPORTS_INTEGRATED_DP(dev))
 				intel_dp_init(dev, DP_B);
 		}
 
 		/* Before G4X SDVOC doesn't have its own detect register */
-		if (IS_G4X(dev))
-			reg = SDVOC;
-		else
-			reg = SDVOB;
 
-		if (I915_READ(reg) & SDVO_DETECTED) {
+		if (I915_READ(SDVOB) & SDVO_DETECTED)
 			found = intel_sdvo_init(dev, SDVOC);
-			if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
+
+		if (!found && (I915_READ(SDVOC) & SDVO_DETECTED)) {
+
+			if (SUPPORTS_INTEGRATED_HDMI(dev))
 				intel_hdmi_init(dev, SDVOC);
-			if (!found && SUPPORTS_INTEGRATED_DP(dev))
+			if (SUPPORTS_INTEGRATED_DP(dev))
 				intel_dp_init(dev, DP_C);
 		}
+
 		if (SUPPORTS_INTEGRATED_DP(dev) && (I915_READ(DP_D) & DP_DETECTED))
 			intel_dp_init(dev, DP_D);
 	} else
@@ -3001,47 +3253,10 @@ static void intel_setup_outputs(struct drm_device *dev)
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		struct intel_output *intel_output = to_intel_output(connector);
 		struct drm_encoder *encoder = &intel_output->enc;
-		int crtc_mask = 0, clone_mask = 0;
 
-		/* valid crtcs */
-		switch(intel_output->type) {
-		case INTEL_OUTPUT_HDMI:
-			crtc_mask = ((1 << 0)|
-				     (1 << 1));
-			clone_mask = ((1 << INTEL_OUTPUT_HDMI));
-			break;
-		case INTEL_OUTPUT_DVO:
-		case INTEL_OUTPUT_SDVO:
-			crtc_mask = ((1 << 0)|
-				     (1 << 1));
-			clone_mask = ((1 << INTEL_OUTPUT_ANALOG) |
-				      (1 << INTEL_OUTPUT_DVO) |
-				      (1 << INTEL_OUTPUT_SDVO));
-			break;
-		case INTEL_OUTPUT_ANALOG:
-			crtc_mask = ((1 << 0)|
-				     (1 << 1));
-			clone_mask = ((1 << INTEL_OUTPUT_ANALOG) |
-				      (1 << INTEL_OUTPUT_DVO) |
-				      (1 << INTEL_OUTPUT_SDVO));
-			break;
-		case INTEL_OUTPUT_LVDS:
-			crtc_mask = (1 << 1);
-			clone_mask = (1 << INTEL_OUTPUT_LVDS);
-			break;
-		case INTEL_OUTPUT_TVOUT:
-			crtc_mask = ((1 << 0) |
-				     (1 << 1));
-			clone_mask = (1 << INTEL_OUTPUT_TVOUT);
-			break;
-		case INTEL_OUTPUT_DISPLAYPORT:
-			crtc_mask = ((1 << 0) |
-				     (1 << 1));
-			clone_mask = (1 << INTEL_OUTPUT_DISPLAYPORT);
-			break;
-		}
-		encoder->possible_crtcs = crtc_mask;
-		encoder->possible_clones = intel_connector_clones(dev, clone_mask);
+		encoder->possible_crtcs = intel_output->crtc_mask;
+		encoder->possible_clones = intel_connector_clones(dev,
+						intel_output->clone_mask);
 	}
 }
 
@@ -3148,6 +3363,9 @@ void intel_modeset_init(struct drm_device *dev)
 	if (IS_I965G(dev)) {
 		dev->mode_config.max_width = 8192;
 		dev->mode_config.max_height = 8192;
+	} else if (IS_I9XX(dev)) {
+		dev->mode_config.max_width = 4096;
+		dev->mode_config.max_height = 4096;
 	} else {
 		dev->mode_config.max_width = 2048;
 		dev->mode_config.max_height = 2048;
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 6770ae88370d..f2afc4af4bc9 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -40,6 +40,8 @@
 
 #define DP_LINK_CONFIGURATION_SIZE	9
 
+#define IS_eDP(i) ((i)->type == INTEL_OUTPUT_EDP)
+
 struct intel_dp_priv {
 	uint32_t output_reg;
 	uint32_t DP;
@@ -63,6 +65,19 @@ intel_dp_link_train(struct intel_output *intel_output, uint32_t DP,
 static void
 intel_dp_link_down(struct intel_output *intel_output, uint32_t DP);
 
+void
+intel_edp_link_config (struct intel_output *intel_output,
+		int *lane_num, int *link_bw)
+{
+	struct intel_dp_priv   *dp_priv = intel_output->dev_priv;
+
+	*lane_num = dp_priv->lane_count;
+	if (dp_priv->link_bw == DP_LINK_BW_1_62)
+		*link_bw = 162000;
+	else if (dp_priv->link_bw == DP_LINK_BW_2_7)
+		*link_bw = 270000;
+}
+
 static int
 intel_dp_max_lane_count(struct intel_output *intel_output)
 {
@@ -206,7 +221,13 @@ intel_dp_aux_ch(struct intel_output *intel_output,
 	 * and would like to run at 2MHz. So, take the
 	 * hrawclk value and divide by 2 and use that
 	 */
-	aux_clock_divider = intel_hrawclk(dev) / 2;
+	if (IS_eDP(intel_output))
+		aux_clock_divider = 225; /* eDP input clock at 450Mhz */
+	else if (IS_IGDNG(dev))
+		aux_clock_divider = 62; /* IGDNG: input clock fixed at 125Mhz */
+	else
+		aux_clock_divider = intel_hrawclk(dev) / 2;
+
 	/* Must try at least 3 times according to DP spec */
 	for (try = 0; try < 5; try++) {
 		/* Load the send data into the aux channel data registers */
@@ -236,7 +257,7 @@ intel_dp_aux_ch(struct intel_output *intel_output,
 		}
 	
 		/* Clear done status and any errors */
-		I915_WRITE(ch_ctl, (ctl |
+		I915_WRITE(ch_ctl, (status |
 				DP_AUX_CH_CTL_DONE |
 				DP_AUX_CH_CTL_TIME_OUT_ERROR |
 				DP_AUX_CH_CTL_RECEIVE_ERROR));
@@ -295,7 +316,7 @@ intel_dp_aux_native_write(struct intel_output *intel_output,
 		return -1;
 	msg[0] = AUX_NATIVE_WRITE << 4;
 	msg[1] = address >> 8;
-	msg[2] = address;
+	msg[2] = address & 0xff;
 	msg[3] = send_bytes - 1;
 	memcpy(&msg[4], send, send_bytes);
 	msg_bytes = send_bytes + 4;
@@ -387,8 +408,8 @@ intel_dp_i2c_init(struct intel_output *intel_output, const char *name)
 	memset(&dp_priv->adapter, '\0', sizeof (dp_priv->adapter));
 	dp_priv->adapter.owner = THIS_MODULE;
 	dp_priv->adapter.class = I2C_CLASS_DDC;
-	strncpy (dp_priv->adapter.name, name, sizeof dp_priv->adapter.name - 1);
-	dp_priv->adapter.name[sizeof dp_priv->adapter.name - 1] = '\0';
+	strncpy (dp_priv->adapter.name, name, sizeof(dp_priv->adapter.name) - 1);
+	dp_priv->adapter.name[sizeof(dp_priv->adapter.name) - 1] = '\0';
 	dp_priv->adapter.algo_data = &dp_priv->algo;
 	dp_priv->adapter.dev.parent = &intel_output->base.kdev;
 	
@@ -493,22 +514,40 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
 	intel_dp_compute_m_n(3, lane_count,
 			     mode->clock, adjusted_mode->clock, &m_n);
 
-	if (intel_crtc->pipe == 0) {
-		I915_WRITE(PIPEA_GMCH_DATA_M,
-		       ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
-		       m_n.gmch_m);
-		I915_WRITE(PIPEA_GMCH_DATA_N,
-		       m_n.gmch_n);
-		I915_WRITE(PIPEA_DP_LINK_M, m_n.link_m);
-		I915_WRITE(PIPEA_DP_LINK_N, m_n.link_n);
+	if (IS_IGDNG(dev)) {
+		if (intel_crtc->pipe == 0) {
+			I915_WRITE(TRANSA_DATA_M1,
+				   ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
+				   m_n.gmch_m);
+			I915_WRITE(TRANSA_DATA_N1, m_n.gmch_n);
+			I915_WRITE(TRANSA_DP_LINK_M1, m_n.link_m);
+			I915_WRITE(TRANSA_DP_LINK_N1, m_n.link_n);
+		} else {
+			I915_WRITE(TRANSB_DATA_M1,
+				   ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
+				   m_n.gmch_m);
+			I915_WRITE(TRANSB_DATA_N1, m_n.gmch_n);
+			I915_WRITE(TRANSB_DP_LINK_M1, m_n.link_m);
+			I915_WRITE(TRANSB_DP_LINK_N1, m_n.link_n);
+		}
 	} else {
-		I915_WRITE(PIPEB_GMCH_DATA_M,
-		       ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
-		       m_n.gmch_m);
-		I915_WRITE(PIPEB_GMCH_DATA_N,
-		       m_n.gmch_n);
-		I915_WRITE(PIPEB_DP_LINK_M, m_n.link_m);
-		I915_WRITE(PIPEB_DP_LINK_N, m_n.link_n);
+		if (intel_crtc->pipe == 0) {
+			I915_WRITE(PIPEA_GMCH_DATA_M,
+				   ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
+				   m_n.gmch_m);
+			I915_WRITE(PIPEA_GMCH_DATA_N,
+				   m_n.gmch_n);
+			I915_WRITE(PIPEA_DP_LINK_M, m_n.link_m);
+			I915_WRITE(PIPEA_DP_LINK_N, m_n.link_n);
+		} else {
+			I915_WRITE(PIPEB_GMCH_DATA_M,
+				   ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
+				   m_n.gmch_m);
+			I915_WRITE(PIPEB_GMCH_DATA_N,
+					m_n.gmch_n);
+			I915_WRITE(PIPEB_DP_LINK_M, m_n.link_m);
+			I915_WRITE(PIPEB_DP_LINK_N, m_n.link_n);
+		}
 	}
 }
 
@@ -556,8 +595,38 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 
 	if (intel_crtc->pipe == 1)
 		dp_priv->DP |= DP_PIPEB_SELECT;
+
+	if (IS_eDP(intel_output)) {
+		/* don't miss out required setting for eDP */
+		dp_priv->DP |= DP_PLL_ENABLE;
+		if (adjusted_mode->clock < 200000)
+			dp_priv->DP |= DP_PLL_FREQ_160MHZ;
+		else
+			dp_priv->DP |= DP_PLL_FREQ_270MHZ;
+	}
 }
 
+static void igdng_edp_backlight_on (struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 pp;
+
+	DRM_DEBUG("\n");
+	pp = I915_READ(PCH_PP_CONTROL);
+	pp |= EDP_BLC_ENABLE;
+	I915_WRITE(PCH_PP_CONTROL, pp);
+}
+
+static void igdng_edp_backlight_off (struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 pp;
+
+	DRM_DEBUG("\n");
+	pp = I915_READ(PCH_PP_CONTROL);
+	pp &= ~EDP_BLC_ENABLE;
+	I915_WRITE(PCH_PP_CONTROL, pp);
+}
 
 static void
 intel_dp_dpms(struct drm_encoder *encoder, int mode)
@@ -569,11 +638,17 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
 	uint32_t dp_reg = I915_READ(dp_priv->output_reg);
 
 	if (mode != DRM_MODE_DPMS_ON) {
-		if (dp_reg & DP_PORT_EN)
+		if (dp_reg & DP_PORT_EN) {
 			intel_dp_link_down(intel_output, dp_priv->DP);
+			if (IS_eDP(intel_output))
+				igdng_edp_backlight_off(dev);
+		}
 	} else {
-		if (!(dp_reg & DP_PORT_EN))
+		if (!(dp_reg & DP_PORT_EN)) {
 			intel_dp_link_train(intel_output, dp_priv->DP, dp_priv->link_configuration);
+			if (IS_eDP(intel_output))
+				igdng_edp_backlight_on(dev);
+		}
 	}
 	dp_priv->dpms_mode = mode;
 }
@@ -935,6 +1010,23 @@ intel_dp_link_down(struct intel_output *intel_output, uint32_t DP)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_dp_priv *dp_priv = intel_output->dev_priv;
 
+	DRM_DEBUG("\n");
+
+	if (IS_eDP(intel_output)) {
+		DP &= ~DP_PLL_ENABLE;
+		I915_WRITE(dp_priv->output_reg, DP);
+		POSTING_READ(dp_priv->output_reg);
+		udelay(100);
+	}
+
+	DP &= ~DP_LINK_TRAIN_MASK;
+	I915_WRITE(dp_priv->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE);
+	POSTING_READ(dp_priv->output_reg);
+
+	udelay(17000);
+
+	if (IS_eDP(intel_output))
+		DP |= DP_LINK_TRAIN_OFF;
 	I915_WRITE(dp_priv->output_reg, DP & ~DP_PORT_EN);
 	POSTING_READ(dp_priv->output_reg);
 }
@@ -978,6 +1070,24 @@ intel_dp_check_link_status(struct intel_output *intel_output)
 		intel_dp_link_train(intel_output, dp_priv->DP, dp_priv->link_configuration);
 }
 
+static enum drm_connector_status
+igdng_dp_detect(struct drm_connector *connector)
+{
+	struct intel_output *intel_output = to_intel_output(connector);
+	struct intel_dp_priv *dp_priv = intel_output->dev_priv;
+	enum drm_connector_status status;
+
+	status = connector_status_disconnected;
+	if (intel_dp_aux_native_read(intel_output,
+				     0x000, dp_priv->dpcd,
+				     sizeof (dp_priv->dpcd)) == sizeof (dp_priv->dpcd))
+	{
+		if (dp_priv->dpcd[0] != 0)
+			status = connector_status_connected;
+	}
+	return status;
+}
+
 /**
  * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect DP connection.
  *
@@ -996,6 +1106,9 @@ intel_dp_detect(struct drm_connector *connector)
 
 	dp_priv->has_audio = false;
 
+	if (IS_IGDNG(dev))
+		return igdng_dp_detect(connector);
+
 	temp = I915_READ(PORT_HOTPLUG_EN);
 
 	I915_WRITE(PORT_HOTPLUG_EN,
@@ -1039,11 +1152,27 @@ intel_dp_detect(struct drm_connector *connector)
 static int intel_dp_get_modes(struct drm_connector *connector)
 {
 	struct intel_output *intel_output = to_intel_output(connector);
+	struct drm_device *dev = intel_output->base.dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	int ret;
 
 	/* We should parse the EDID data and find out if it has an audio sink
 	 */
 
-	return intel_ddc_get_modes(intel_output);
+	ret = intel_ddc_get_modes(intel_output);
+	if (ret)
+		return ret;
+
+	/* if eDP has no EDID, try to use fixed panel mode from VBT */
+	if (IS_eDP(intel_output)) {
+		if (dev_priv->panel_fixed_mode != NULL) {
+			struct drm_display_mode *mode;
+			mode = drm_mode_duplicate(dev, dev_priv->panel_fixed_mode);
+			drm_mode_probed_add(connector, mode);
+			return 1;
+		}
+	}
+	return 0;
 }
 
 static void
@@ -1106,6 +1235,7 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 	struct drm_connector *connector;
 	struct intel_output *intel_output;
 	struct intel_dp_priv *dp_priv;
+	const char *name = NULL;
 
 	intel_output = kcalloc(sizeof(struct intel_output) + 
 			       sizeof(struct intel_dp_priv), 1, GFP_KERNEL);
@@ -1119,8 +1249,23 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 			   DRM_MODE_CONNECTOR_DisplayPort);
 	drm_connector_helper_add(connector, &intel_dp_connector_helper_funcs);
 
-	intel_output->type = INTEL_OUTPUT_DISPLAYPORT;
-
+	if (output_reg == DP_A)
+		intel_output->type = INTEL_OUTPUT_EDP;
+	else
+		intel_output->type = INTEL_OUTPUT_DISPLAYPORT;
+
+	if (output_reg == DP_B)
+		intel_output->clone_mask = (1 << INTEL_DP_B_CLONE_BIT);
+	else if (output_reg == DP_C)
+		intel_output->clone_mask = (1 << INTEL_DP_C_CLONE_BIT);
+	else if (output_reg == DP_D)
+		intel_output->clone_mask = (1 << INTEL_DP_D_CLONE_BIT);
+
+	if (IS_eDP(intel_output)) {
+		intel_output->crtc_mask = (1 << 1);
+		intel_output->clone_mask = (1 << INTEL_OUTPUT_EDP);
+	} else
+		intel_output->crtc_mask = (1 << 0) | (1 << 1);
 	connector->interlace_allowed = true;
 	connector->doublescan_allowed = 0;
 
@@ -1139,12 +1284,41 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 	drm_sysfs_connector_add(connector);
 
 	/* Set up the DDC bus. */
-	intel_dp_i2c_init(intel_output,
-			  (output_reg == DP_B) ? "DPDDC-B" :
-			  (output_reg == DP_C) ? "DPDDC-C" : "DPDDC-D");
+	switch (output_reg) {
+		case DP_A:
+			name = "DPDDC-A";
+			break;
+		case DP_B:
+		case PCH_DP_B:
+			name = "DPDDC-B";
+			break;
+		case DP_C:
+		case PCH_DP_C:
+			name = "DPDDC-C";
+			break;
+		case DP_D:
+		case PCH_DP_D:
+			name = "DPDDC-D";
+			break;
+	}
+
+	intel_dp_i2c_init(intel_output, name);
+
 	intel_output->ddc_bus = &dp_priv->adapter;
 	intel_output->hot_plug = intel_dp_hot_plug;
 
+	if (output_reg == DP_A) {
+		/* initialize panel mode from VBT if available for eDP */
+		if (dev_priv->lfp_lvds_vbt_mode) {
+			dev_priv->panel_fixed_mode =
+				drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
+			if (dev_priv->panel_fixed_mode) {
+				dev_priv->panel_fixed_mode->type |=
+					DRM_MODE_TYPE_PREFERRED;
+			}
+		}
+	}
+
 	/* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written
 	 * 0xd.  Failure to do so will result in spurious interrupts being
 	 * generated on the port when a cable is not attached.
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 004541c935a8..25aa6facc12d 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -55,6 +55,25 @@
 #define INTEL_OUTPUT_TVOUT 5
 #define INTEL_OUTPUT_HDMI 6
 #define INTEL_OUTPUT_DISPLAYPORT 7
+#define INTEL_OUTPUT_EDP 8
+
+/* Intel Pipe Clone Bit */
+#define INTEL_HDMIB_CLONE_BIT 1
+#define INTEL_HDMIC_CLONE_BIT 2
+#define INTEL_HDMID_CLONE_BIT 3
+#define INTEL_HDMIE_CLONE_BIT 4
+#define INTEL_HDMIF_CLONE_BIT 5
+#define INTEL_SDVO_NON_TV_CLONE_BIT 6
+#define INTEL_SDVO_TV_CLONE_BIT 7
+#define INTEL_SDVO_LVDS_CLONE_BIT 8
+#define INTEL_ANALOG_CLONE_BIT 9
+#define INTEL_TV_CLONE_BIT 10
+#define INTEL_DP_B_CLONE_BIT 11
+#define INTEL_DP_C_CLONE_BIT 12
+#define INTEL_DP_D_CLONE_BIT 13
+#define INTEL_LVDS_CLONE_BIT 14
+#define INTEL_DVO_TMDS_CLONE_BIT 15
+#define INTEL_DVO_LVDS_CLONE_BIT 16
 
 #define INTEL_DVO_CHIP_NONE 0
 #define INTEL_DVO_CHIP_LVDS 1
@@ -85,6 +104,8 @@ struct intel_output {
 	bool needs_tv_clock;
 	void *dev_priv;
 	void (*hot_plug)(struct intel_output *);
+	int crtc_mask;
+	int clone_mask;
 };
 
 struct intel_crtc {
@@ -121,6 +142,8 @@ extern void intel_dp_init(struct drm_device *dev, int dp_reg);
 void
 intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
 		 struct drm_display_mode *adjusted_mode);
+extern void intel_edp_link_config (struct intel_output *, int *, int *);
+
 
 extern void intel_crtc_load_lut(struct drm_crtc *crtc);
 extern void intel_encoder_prepare (struct drm_encoder *encoder);
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index 13bff20930e8..a4d2606de778 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -435,14 +435,20 @@ void intel_dvo_init(struct drm_device *dev)
 			continue;
 
 		intel_output->type = INTEL_OUTPUT_DVO;
+		intel_output->crtc_mask = (1 << 0) | (1 << 1);
 		switch (dvo->type) {
 		case INTEL_DVO_CHIP_TMDS:
+			intel_output->clone_mask =
+				(1 << INTEL_DVO_TMDS_CLONE_BIT) |
+				(1 << INTEL_ANALOG_CLONE_BIT);
 			drm_connector_init(dev, connector,
 					   &intel_dvo_connector_funcs,
 					   DRM_MODE_CONNECTOR_DVII);
 			encoder_type = DRM_MODE_ENCODER_TMDS;
 			break;
 		case INTEL_DVO_CHIP_LVDS:
+			intel_output->clone_mask =
+				(1 << INTEL_DVO_LVDS_CLONE_BIT);
 			drm_connector_init(dev, connector,
 					   &intel_dvo_connector_funcs,
 					   DRM_MODE_CONNECTOR_LVDS);
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 9e30daae37dc..fa304e136010 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -130,16 +130,17 @@ static bool intel_hdmi_mode_fixup(struct drm_encoder *encoder,
 }
 
 static enum drm_connector_status
-intel_hdmi_edid_detect(struct drm_connector *connector)
+intel_hdmi_detect(struct drm_connector *connector)
 {
 	struct intel_output *intel_output = to_intel_output(connector);
 	struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
 	struct edid *edid = NULL;
 	enum drm_connector_status status = connector_status_disconnected;
 
+	hdmi_priv->has_hdmi_sink = false;
 	edid = drm_get_edid(&intel_output->base,
 			    intel_output->ddc_bus);
-	hdmi_priv->has_hdmi_sink = false;
+
 	if (edid) {
 		if (edid->input & DRM_EDID_INPUT_DIGITAL) {
 			status = connector_status_connected;
@@ -148,65 +149,8 @@ intel_hdmi_edid_detect(struct drm_connector *connector)
 		intel_output->base.display_info.raw_edid = NULL;
 		kfree(edid);
 	}
-	return status;
-}
-
-static enum drm_connector_status
-igdng_hdmi_detect(struct drm_connector *connector)
-{
-	struct intel_output *intel_output = to_intel_output(connector);
-	struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
-
-	/* FIXME hotplug detect */
 
-	hdmi_priv->has_hdmi_sink = false;
-	return intel_hdmi_edid_detect(connector);
-}
-
-static enum drm_connector_status
-intel_hdmi_detect(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_output *intel_output = to_intel_output(connector);
-	struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
-	u32 temp, bit;
-
-	if (IS_IGDNG(dev))
-		return igdng_hdmi_detect(connector);
-
-	temp = I915_READ(PORT_HOTPLUG_EN);
-
-	switch (hdmi_priv->sdvox_reg) {
-	case SDVOB:
-		temp |= HDMIB_HOTPLUG_INT_EN;
-		break;
-	case SDVOC:
-		temp |= HDMIC_HOTPLUG_INT_EN;
-		break;
-	default:
-		return connector_status_unknown;
-	}
-
-	I915_WRITE(PORT_HOTPLUG_EN, temp);
-
-	POSTING_READ(PORT_HOTPLUG_EN);
-
-	switch (hdmi_priv->sdvox_reg) {
-	case SDVOB:
-		bit = HDMIB_HOTPLUG_INT_STATUS;
-		break;
-	case SDVOC:
-		bit = HDMIC_HOTPLUG_INT_STATUS;
-		break;
-	default:
-		return connector_status_unknown;
-	}
-
-	if ((I915_READ(PORT_HOTPLUG_STAT) & bit) != 0)
-		return intel_hdmi_edid_detect(connector);
-	else
-		return connector_status_disconnected;
+	return status;
 }
 
 static int intel_hdmi_get_modes(struct drm_connector *connector)
@@ -286,22 +230,28 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
 
 	connector->interlace_allowed = 0;
 	connector->doublescan_allowed = 0;
+	intel_output->crtc_mask = (1 << 0) | (1 << 1);
 
 	/* Set up the DDC bus. */
-	if (sdvox_reg == SDVOB)
+	if (sdvox_reg == SDVOB) {
+		intel_output->clone_mask = (1 << INTEL_HDMIB_CLONE_BIT);
 		intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "HDMIB");
-	else if (sdvox_reg == SDVOC)
+	} else if (sdvox_reg == SDVOC) {
+		intel_output->clone_mask = (1 << INTEL_HDMIC_CLONE_BIT);
 		intel_output->ddc_bus = intel_i2c_create(dev, GPIOD, "HDMIC");
-	else if (sdvox_reg == HDMIB)
+	} else if (sdvox_reg == HDMIB) {
+		intel_output->clone_mask = (1 << INTEL_HDMID_CLONE_BIT);
 		intel_output->ddc_bus = intel_i2c_create(dev, PCH_GPIOE,
 								"HDMIB");
-	else if (sdvox_reg == HDMIC)
+	} else if (sdvox_reg == HDMIC) {
+		intel_output->clone_mask = (1 << INTEL_HDMIE_CLONE_BIT);
 		intel_output->ddc_bus = intel_i2c_create(dev, PCH_GPIOD,
 								"HDMIC");
-	else if (sdvox_reg == HDMID)
+	} else if (sdvox_reg == HDMID) {
+		intel_output->clone_mask = (1 << INTEL_HDMIF_CLONE_BIT);
 		intel_output->ddc_bus = intel_i2c_create(dev, PCH_GPIOF,
 								"HDMID");
-
+	}
 	if (!intel_output->ddc_bus)
 		goto err_connector;
 
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 9ab38efffecf..8df02ef89261 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -780,6 +780,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
 	},
 	{
 		.callback = intel_no_lvds_dmi_callback,
+		.ident = "AOpen Mini PC MP915",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"),
+			DMI_MATCH(DMI_BOARD_NAME, "i915GMx-F"),
+		},
+	},
+	{
+		.callback = intel_no_lvds_dmi_callback,
 		.ident = "Aopen i945GTt-VFA",
 		.matches = {
 			DMI_MATCH(DMI_PRODUCT_VERSION, "AO00001JW"),
@@ -884,6 +892,10 @@ void intel_lvds_init(struct drm_device *dev)
 	if (IS_IGDNG(dev)) {
 		if ((I915_READ(PCH_LVDS) & LVDS_DETECTED) == 0)
 			return;
+		if (dev_priv->edp_support) {
+			DRM_DEBUG("disable LVDS for eDP support\n");
+			return;
+		}
 		gpio = PCH_GPIOC;
 	}
 
@@ -904,6 +916,8 @@ void intel_lvds_init(struct drm_device *dev)
 	drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
 	intel_output->type = INTEL_OUTPUT_LVDS;
 
+	intel_output->clone_mask = (1 << INTEL_LVDS_CLONE_BIT);
+	intel_output->crtc_mask = (1 << 1);
 	drm_encoder_helper_add(encoder, &intel_lvds_helper_funcs);
 	drm_connector_helper_add(connector, &intel_lvds_connector_helper_funcs);
 	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 4f0c30948bc4..d3b74ba62b4a 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -31,6 +31,7 @@
 #include "drm.h"
 #include "drm_crtc.h"
 #include "intel_drv.h"
+#include "drm_edid.h"
 #include "i915_drm.h"
 #include "i915_drv.h"
 #include "intel_sdvo_regs.h"
@@ -55,6 +56,12 @@ struct intel_sdvo_priv {
 	/* Pixel clock limitations reported by the SDVO device, in kHz */
 	int pixel_clock_min, pixel_clock_max;
 
+	/*
+	* For multiple function SDVO device,
+	* this is for current attached outputs.
+	*/
+	uint16_t attached_output;
+
 	/**
 	 * This is set if we're going to treat the device as TV-out.
 	 *
@@ -114,6 +121,9 @@ struct intel_sdvo_priv {
 	u32 save_SDVOX;
 };
 
+static bool
+intel_sdvo_output_setup(struct intel_output *intel_output, uint16_t flags);
+
 /**
  * Writes the SDVOB or SDVOC with the given value, but always writes both
  * SDVOB and SDVOC to work around apparent hardware issues (according to
@@ -1435,41 +1445,96 @@ void intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
 	intel_sdvo_read_response(intel_output, &response, 2);
 }
 
-static void
-intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
+static bool
+intel_sdvo_multifunc_encoder(struct intel_output *intel_output)
+{
+	struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+	int caps = 0;
+
+	if (sdvo_priv->caps.output_flags &
+		(SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
+		caps++;
+	if (sdvo_priv->caps.output_flags &
+		(SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1))
+		caps++;
+	if (sdvo_priv->caps.output_flags &
+		(SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_SVID1))
+		caps++;
+	if (sdvo_priv->caps.output_flags &
+		(SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_CVBS1))
+		caps++;
+	if (sdvo_priv->caps.output_flags &
+		(SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_YPRPB1))
+		caps++;
+
+	if (sdvo_priv->caps.output_flags &
+		(SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1))
+		caps++;
+
+	if (sdvo_priv->caps.output_flags &
+		(SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1))
+		caps++;
+
+	return (caps > 1);
+}
+
+enum drm_connector_status
+intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
 {
 	struct intel_output *intel_output = to_intel_output(connector);
 	struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+	enum drm_connector_status status = connector_status_connected;
 	struct edid *edid = NULL;
 
 	edid = drm_get_edid(&intel_output->base,
 			    intel_output->ddc_bus);
 	if (edid != NULL) {
-		sdvo_priv->is_hdmi = drm_detect_hdmi_monitor(edid);
+		/* Don't report the output as connected if it's a DVI-I
+		 * connector with a non-digital EDID coming out.
+		 */
+		if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)) {
+			if (edid->input & DRM_EDID_INPUT_DIGITAL)
+				sdvo_priv->is_hdmi =
+					drm_detect_hdmi_monitor(edid);
+			else
+				status = connector_status_disconnected;
+		}
+
 		kfree(edid);
 		intel_output->base.display_info.raw_edid = NULL;
-	}
+
+	} else if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
+		status = connector_status_disconnected;
+
+	return status;
 }
 
 static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connector)
 {
-	u8 response[2];
+	uint16_t response;
 	u8 status;
 	struct intel_output *intel_output = to_intel_output(connector);
+	struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
 
 	intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0);
 	status = intel_sdvo_read_response(intel_output, &response, 2);
 
-	DRM_DEBUG("SDVO response %d %d\n", response[0], response[1]);
+	DRM_DEBUG("SDVO response %d %d\n", response & 0xff, response >> 8);
 
 	if (status != SDVO_CMD_STATUS_SUCCESS)
 		return connector_status_unknown;
 
-	if ((response[0] != 0) || (response[1] != 0)) {
-		intel_sdvo_hdmi_sink_detect(connector);
-		return connector_status_connected;
-	} else
+	if (response == 0)
 		return connector_status_disconnected;
+
+	if (intel_sdvo_multifunc_encoder(intel_output) &&
+		sdvo_priv->attached_output != response) {
+		if (sdvo_priv->controlled_output != response &&
+			intel_sdvo_output_setup(intel_output, response) != true)
+			return connector_status_unknown;
+		sdvo_priv->attached_output = response;
+	}
+	return intel_sdvo_hdmi_sink_detect(connector, response);
 }
 
 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
@@ -1866,16 +1931,112 @@ intel_sdvo_get_slave_addr(struct drm_device *dev, int output_device)
 		return 0x72;
 }
 
+static bool
+intel_sdvo_output_setup(struct intel_output *intel_output, uint16_t flags)
+{
+	struct drm_connector *connector = &intel_output->base;
+	struct drm_encoder *encoder = &intel_output->enc;
+	struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+	bool ret = true, registered = false;
+
+	sdvo_priv->is_tv = false;
+	intel_output->needs_tv_clock = false;
+	sdvo_priv->is_lvds = false;
+
+	if (device_is_registered(&connector->kdev)) {
+		drm_sysfs_connector_remove(connector);
+		registered = true;
+	}
+
+	if (flags &
+	    (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)) {
+		if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS0)
+			sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS0;
+		else
+			sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS1;
+
+		encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
+		connector->connector_type = DRM_MODE_CONNECTOR_DVID;
+
+		if (intel_sdvo_get_supp_encode(intel_output,
+					       &sdvo_priv->encode) &&
+		    intel_sdvo_get_digital_encoding_mode(intel_output) &&
+		    sdvo_priv->is_hdmi) {
+			/* enable hdmi encoding mode if supported */
+			intel_sdvo_set_encode(intel_output, SDVO_ENCODE_HDMI);
+			intel_sdvo_set_colorimetry(intel_output,
+						   SDVO_COLORIMETRY_RGB256);
+			connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
+			intel_output->clone_mask =
+					(1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
+					(1 << INTEL_ANALOG_CLONE_BIT);
+		}
+	} else if (flags & SDVO_OUTPUT_SVID0) {
+
+		sdvo_priv->controlled_output = SDVO_OUTPUT_SVID0;
+		encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
+		connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
+		sdvo_priv->is_tv = true;
+		intel_output->needs_tv_clock = true;
+		intel_output->clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
+	} else if (flags & SDVO_OUTPUT_RGB0) {
+
+		sdvo_priv->controlled_output = SDVO_OUTPUT_RGB0;
+		encoder->encoder_type = DRM_MODE_ENCODER_DAC;
+		connector->connector_type = DRM_MODE_CONNECTOR_VGA;
+		intel_output->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
+					(1 << INTEL_ANALOG_CLONE_BIT);
+	} else if (flags & SDVO_OUTPUT_RGB1) {
+
+		sdvo_priv->controlled_output = SDVO_OUTPUT_RGB1;
+		encoder->encoder_type = DRM_MODE_ENCODER_DAC;
+		connector->connector_type = DRM_MODE_CONNECTOR_VGA;
+	} else if (flags & SDVO_OUTPUT_LVDS0) {
+
+		sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS0;
+		encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
+		connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
+		sdvo_priv->is_lvds = true;
+		intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT) |
+					(1 << INTEL_SDVO_LVDS_CLONE_BIT);
+	} else if (flags & SDVO_OUTPUT_LVDS1) {
+
+		sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS1;
+		encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
+		connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
+		sdvo_priv->is_lvds = true;
+		intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT) |
+					(1 << INTEL_SDVO_LVDS_CLONE_BIT);
+	} else {
+
+		unsigned char bytes[2];
+
+		sdvo_priv->controlled_output = 0;
+		memcpy(bytes, &sdvo_priv->caps.output_flags, 2);
+		DRM_DEBUG_KMS(I915_SDVO,
+				"%s: Unknown SDVO output type (0x%02x%02x)\n",
+				  SDVO_NAME(sdvo_priv),
+				  bytes[0], bytes[1]);
+		ret = false;
+	}
+	intel_output->crtc_mask = (1 << 0) | (1 << 1);
+
+	if (ret && registered)
+		ret = drm_sysfs_connector_add(connector) == 0 ? true : false;
+
+
+	return ret;
+
+}
+
 bool intel_sdvo_init(struct drm_device *dev, int output_device)
 {
 	struct drm_connector *connector;
 	struct intel_output *intel_output;
 	struct intel_sdvo_priv *sdvo_priv;
 
-	int connector_type;
 	u8 ch[0x40];
 	int i;
-	int encoder_type;
 
 	intel_output = kcalloc(sizeof(struct intel_output)+sizeof(struct intel_sdvo_priv), 1, GFP_KERNEL);
 	if (!intel_output) {
@@ -1925,88 +2086,28 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
 	intel_output->ddc_bus->algo = &intel_sdvo_i2c_bit_algo;
 
 	/* In defaut case sdvo lvds is false */
-	sdvo_priv->is_lvds = false;
 	intel_sdvo_get_capabilities(intel_output, &sdvo_priv->caps);
 
-	if (sdvo_priv->caps.output_flags &
-	    (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)) {
-		if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS0)
-			sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS0;
-		else
-			sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS1;
-
-		encoder_type = DRM_MODE_ENCODER_TMDS;
-		connector_type = DRM_MODE_CONNECTOR_DVID;
-
-		if (intel_sdvo_get_supp_encode(intel_output,
-					       &sdvo_priv->encode) &&
-		    intel_sdvo_get_digital_encoding_mode(intel_output) &&
-		    sdvo_priv->is_hdmi) {
-			/* enable hdmi encoding mode if supported */
-			intel_sdvo_set_encode(intel_output, SDVO_ENCODE_HDMI);
-			intel_sdvo_set_colorimetry(intel_output,
-						   SDVO_COLORIMETRY_RGB256);
-			connector_type = DRM_MODE_CONNECTOR_HDMIA;
-		}
-	}
-	else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_SVID0)
-	{
-		sdvo_priv->controlled_output = SDVO_OUTPUT_SVID0;
-		encoder_type = DRM_MODE_ENCODER_TVDAC;
-		connector_type = DRM_MODE_CONNECTOR_SVIDEO;
-		sdvo_priv->is_tv = true;
-		intel_output->needs_tv_clock = true;
-	}
-	else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB0)
-	{
-		sdvo_priv->controlled_output = SDVO_OUTPUT_RGB0;
-		encoder_type = DRM_MODE_ENCODER_DAC;
-		connector_type = DRM_MODE_CONNECTOR_VGA;
-	}
-	else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB1)
-	{
-		sdvo_priv->controlled_output = SDVO_OUTPUT_RGB1;
-		encoder_type = DRM_MODE_ENCODER_DAC;
-		connector_type = DRM_MODE_CONNECTOR_VGA;
-	}
-	else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_LVDS0)
-	{
-		sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS0;
-		encoder_type = DRM_MODE_ENCODER_LVDS;
-		connector_type = DRM_MODE_CONNECTOR_LVDS;
-		sdvo_priv->is_lvds = true;
-	}
-	else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_LVDS1)
-	{
-		sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS1;
-		encoder_type = DRM_MODE_ENCODER_LVDS;
-		connector_type = DRM_MODE_CONNECTOR_LVDS;
-		sdvo_priv->is_lvds = true;
-	}
-	else
-	{
-		unsigned char bytes[2];
-
-		sdvo_priv->controlled_output = 0;
-		memcpy (bytes, &sdvo_priv->caps.output_flags, 2);
-		DRM_DEBUG_KMS(I915_SDVO,
-				"%s: Unknown SDVO output type (0x%02x%02x)\n",
-				  SDVO_NAME(sdvo_priv),
-				  bytes[0], bytes[1]);
-		encoder_type = DRM_MODE_ENCODER_NONE;
-		connector_type = DRM_MODE_CONNECTOR_Unknown;
+	if (intel_sdvo_output_setup(intel_output,
+				    sdvo_priv->caps.output_flags) != true) {
+		DRM_DEBUG("SDVO output failed to setup on SDVO%c\n",
+			  output_device == SDVOB ? 'B' : 'C');
 		goto err_i2c;
 	}
 
+
 	connector = &intel_output->base;
 	drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
-			   connector_type);
+			   connector->connector_type);
+
 	drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
 	connector->interlace_allowed = 0;
 	connector->doublescan_allowed = 0;
 	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
 
-	drm_encoder_init(dev, &intel_output->enc, &intel_sdvo_enc_funcs, encoder_type);
+	drm_encoder_init(dev, &intel_output->enc,
+			&intel_sdvo_enc_funcs, intel_output->enc.encoder_type);
+
 	drm_encoder_helper_add(&intel_output->enc, &intel_sdvo_helper_funcs);
 
 	drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index a43c98e3f077..2fbe13a0de81 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1490,6 +1490,27 @@ static struct input_res {
 	{"1920x1080", 1920, 1080},
 };
 
+/*
+ * Chose preferred mode  according to line number of TV format
+ */
+static void
+intel_tv_chose_preferred_modes(struct drm_connector *connector,
+			       struct drm_display_mode *mode_ptr)
+{
+	struct intel_output *intel_output = to_intel_output(connector);
+	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_output);
+
+	if (tv_mode->nbr_end < 480 && mode_ptr->vdisplay == 480)
+		mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
+	else if (tv_mode->nbr_end > 480) {
+		if (tv_mode->progressive == true && tv_mode->nbr_end < 720) {
+			if (mode_ptr->vdisplay == 720)
+				mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
+		} else if (mode_ptr->vdisplay == 1080)
+				mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
+	}
+}
+
 /**
  * Stub get_modes function.
  *
@@ -1544,6 +1565,7 @@ intel_tv_get_modes(struct drm_connector *connector)
 		mode_ptr->clock = (int) tmp;
 
 		mode_ptr->type = DRM_MODE_TYPE_DRIVER;
+		intel_tv_chose_preferred_modes(connector, mode_ptr);
 		drm_mode_probed_add(connector, mode_ptr);
 		count++;
 	}
@@ -1696,6 +1718,7 @@ intel_tv_init(struct drm_device *dev)
 	if (!intel_output) {
 		return;
 	}
+
 	connector = &intel_output->base;
 
 	drm_connector_init(dev, connector, &intel_tv_connector_funcs,
@@ -1707,6 +1730,7 @@ intel_tv_init(struct drm_device *dev)
 	drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
 	tv_priv = (struct intel_tv_priv *)(intel_output + 1);
 	intel_output->type = INTEL_OUTPUT_TVOUT;
+	intel_output->clone_mask = (1 << INTEL_TV_CLONE_BIT);
 	intel_output->enc.possible_crtcs = ((1 << 0) | (1 << 1));
 	intel_output->enc.possible_clones = (1 << INTEL_OUTPUT_TVOUT);
 	intel_output->dev_priv = tv_priv;
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 05a44896dffb..68e728e8be4d 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -254,6 +254,72 @@ void r100_mc_fini(struct radeon_device *rdev)
 
 
 /*
+ * Interrupts
+ */
+int r100_irq_set(struct radeon_device *rdev)
+{
+	uint32_t tmp = 0;
+
+	if (rdev->irq.sw_int) {
+		tmp |= RADEON_SW_INT_ENABLE;
+	}
+	if (rdev->irq.crtc_vblank_int[0]) {
+		tmp |= RADEON_CRTC_VBLANK_MASK;
+	}
+	if (rdev->irq.crtc_vblank_int[1]) {
+		tmp |= RADEON_CRTC2_VBLANK_MASK;
+	}
+	WREG32(RADEON_GEN_INT_CNTL, tmp);
+	return 0;
+}
+
+static inline uint32_t r100_irq_ack(struct radeon_device *rdev)
+{
+	uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
+	uint32_t irq_mask = RADEON_SW_INT_TEST | RADEON_CRTC_VBLANK_STAT |
+		RADEON_CRTC2_VBLANK_STAT;
+
+	if (irqs) {
+		WREG32(RADEON_GEN_INT_STATUS, irqs);
+	}
+	return irqs & irq_mask;
+}
+
+int r100_irq_process(struct radeon_device *rdev)
+{
+	uint32_t status;
+
+	status = r100_irq_ack(rdev);
+	if (!status) {
+		return IRQ_NONE;
+	}
+	while (status) {
+		/* SW interrupt */
+		if (status & RADEON_SW_INT_TEST) {
+			radeon_fence_process(rdev);
+		}
+		/* Vertical blank interrupts */
+		if (status & RADEON_CRTC_VBLANK_STAT) {
+			drm_handle_vblank(rdev->ddev, 0);
+		}
+		if (status & RADEON_CRTC2_VBLANK_STAT) {
+			drm_handle_vblank(rdev->ddev, 1);
+		}
+		status = r100_irq_ack(rdev);
+	}
+	return IRQ_HANDLED;
+}
+
+u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
+{
+	if (crtc == 0)
+		return RREG32(RADEON_CRTC_CRNT_FRAME);
+	else
+		return RREG32(RADEON_CRTC2_CRNT_FRAME);
+}
+
+
+/*
  * Fence emission
  */
 void r100_fence_ring_emit(struct radeon_device *rdev,
@@ -722,13 +788,14 @@ int r100_cs_packet_parse(struct radeon_cs_parser *p,
 			 unsigned idx)
 {
 	struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
-	uint32_t header = ib_chunk->kdata[idx];
+	uint32_t header;
 
 	if (idx >= ib_chunk->length_dw) {
 		DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
 			  idx, ib_chunk->length_dw);
 		return -EINVAL;
 	}
+	header = ib_chunk->kdata[idx];
 	pkt->idx = idx;
 	pkt->type = CP_PACKET_GET_TYPE(header);
 	pkt->count = CP_PACKET_GET_COUNT(header);
@@ -1024,6 +1091,16 @@ static int r100_packet0_check(struct radeon_cs_parser *p,
 			tmp |= tile_flags;
 			ib[idx] = tmp;
 			break;
+		case RADEON_RB3D_ZPASS_ADDR:
+			r = r100_cs_packet_next_reloc(p, &reloc);
+			if (r) {
+				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+					  idx, reg);
+				r100_cs_dump_packet(p, pkt);
+				return r;
+			}
+			ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset);
+			break;
 		default:
 			/* FIXME: we don't want to allow anyothers packet */
 			break;
@@ -1555,26 +1632,6 @@ void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 	r100_pll_errata_after_data(rdev);
 }
 
-uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg)
-{
-	if (reg < 0x10000)
-		return readl(((void __iomem *)rdev->rmmio) + reg);
-	else {
-		writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
-		return readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
-	}
-}
-
-void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
-{
-	if (reg < 0x10000)
-		writel(v, ((void __iomem *)rdev->rmmio) + reg);
-	else {
-		writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
-		writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
-	}
-}
-
 int r100_init(struct radeon_device *rdev)
 {
 	return 0;
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 9c8d41534a5d..053f4ec397f7 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -83,8 +83,8 @@ void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
 		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
 		(void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
-		mb();
 	}
+	mb();
 }
 
 int rv370_pcie_gart_enable(struct radeon_device *rdev)
@@ -448,6 +448,7 @@ void r300_gpu_init(struct radeon_device *rdev)
 		/* rv350,rv370,rv380 */
 		rdev->num_gb_pipes = 1;
 	}
+	rdev->num_z_pipes = 1;
 	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 	switch (rdev->num_gb_pipes) {
 	case 2:
@@ -486,7 +487,8 @@ void r300_gpu_init(struct radeon_device *rdev)
 		printk(KERN_WARNING "Failed to wait MC idle while "
 		       "programming pipes. Bad things might happen.\n");
 	}
-	DRM_INFO("radeon: %d pipes initialized.\n", rdev->num_gb_pipes);
+	DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized.\n",
+		 rdev->num_gb_pipes, rdev->num_z_pipes);
 }
 
 int r300_ga_reset(struct radeon_device *rdev)
@@ -593,27 +595,6 @@ void r300_vram_info(struct radeon_device *rdev)
 
 
 /*
- * Indirect registers accessor
- */
-uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
-{
-	uint32_t r;
-
-	WREG8(RADEON_PCIE_INDEX, ((reg) & 0xff));
-	(void)RREG32(RADEON_PCIE_INDEX);
-	r = RREG32(RADEON_PCIE_DATA);
-	return r;
-}
-
-void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
-{
-	WREG8(RADEON_PCIE_INDEX, ((reg) & 0xff));
-	(void)RREG32(RADEON_PCIE_INDEX);
-	WREG32(RADEON_PCIE_DATA, (v));
-	(void)RREG32(RADEON_PCIE_DATA);
-}
-
-/*
  * PCIE Lanes
  */
 
@@ -1403,6 +1384,21 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
 		tmp = (ib_chunk->kdata[idx] >> 22) & 0xF;
 		track->textures[i].txdepth = tmp;
 		break;
+	case R300_ZB_ZPASS_ADDR:
+		r = r100_cs_packet_next_reloc(p, &reloc);
+		if (r) {
+			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+					idx, reg);
+			r100_cs_dump_packet(p, pkt);
+			return r;
+		}
+		ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset);
+		break;
+	case 0x4be8:
+		/* valid register only on RV530 */
+		if (p->rdev->family == CHIP_RV530)
+			break;
+		/* fallthrough do not move */
 	default:
 		printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
 		       reg, idx);
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index dea497a979f2..97426a6f370f 100644
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -165,7 +165,18 @@ void r420_pipes_init(struct radeon_device *rdev)
 		printk(KERN_WARNING "Failed to wait GUI idle while "
 		       "programming pipes. Bad things might happen.\n");
 	}
-	DRM_INFO("radeon: %d pipes initialized.\n", rdev->num_gb_pipes);
+
+	if (rdev->family == CHIP_RV530) {
+		tmp = RREG32(RV530_GB_PIPE_SELECT2);
+		if ((tmp & 3) == 3)
+			rdev->num_z_pipes = 2;
+		else
+			rdev->num_z_pipes = 1;
+	} else
+		rdev->num_z_pipes = 1;
+
+	DRM_INFO("radeon: %d quad pipes, %d z pipes initialized.\n",
+		 rdev->num_gb_pipes, rdev->num_z_pipes);
 }
 
 void r420_gpu_init(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r500_reg.h b/drivers/gpu/drm/radeon/r500_reg.h
index 036691b38cb7..e1d5e0331e19 100644
--- a/drivers/gpu/drm/radeon/r500_reg.h
+++ b/drivers/gpu/drm/radeon/r500_reg.h
@@ -350,6 +350,7 @@
 #define AVIVO_D1CRTC_BLANK_CONTROL                              0x6084
 #define AVIVO_D1CRTC_INTERLACE_CONTROL                          0x6088
 #define AVIVO_D1CRTC_INTERLACE_STATUS                           0x608c
+#define AVIVO_D1CRTC_FRAME_COUNT                                0x60a4
 #define AVIVO_D1CRTC_STEREO_CONTROL                             0x60c4
 
 /* master controls */
@@ -438,14 +439,15 @@
 #       define AVIVO_DC_LB_DISP1_END_ADR_SHIFT  4
 #       define AVIVO_DC_LB_DISP1_END_ADR_MASK   0x7ff
 
-#define R500_DxMODE_INT_MASK 0x6540
-#define R500_D1MODE_INT_MASK (1<<0)
-#define R500_D2MODE_INT_MASK (1<<8)
-
 #define AVIVO_D1MODE_DATA_FORMAT                0x6528
 #       define AVIVO_D1MODE_INTERLEAVE_EN       (1 << 0)
 #define AVIVO_D1MODE_DESKTOP_HEIGHT             0x652C
+#define AVIVO_D1MODE_VBLANK_STATUS              0x6534
+#       define AVIVO_VBLANK_ACK                 (1 << 4)
 #define AVIVO_D1MODE_VLINE_START_END            0x6538
+#define AVIVO_DxMODE_INT_MASK                   0x6540
+#       define AVIVO_D1MODE_INT_MASK            (1 << 0)
+#       define AVIVO_D2MODE_INT_MASK            (1 << 8)
 #define AVIVO_D1MODE_VIEWPORT_START             0x6580
 #define AVIVO_D1MODE_VIEWPORT_SIZE              0x6584
 #define AVIVO_D1MODE_EXT_OVERSCAN_LEFT_RIGHT    0x6588
@@ -475,6 +477,7 @@
 #define AVIVO_D2CRTC_BLANK_CONTROL                              0x6884
 #define AVIVO_D2CRTC_INTERLACE_CONTROL                          0x6888
 #define AVIVO_D2CRTC_INTERLACE_STATUS                           0x688c
+#define AVIVO_D2CRTC_FRAME_COUNT                                0x68a4
 #define AVIVO_D2CRTC_STEREO_CONTROL                             0x68c4
 
 #define AVIVO_D2GRPH_ENABLE                                     0x6900
@@ -497,6 +500,7 @@
 #define AVIVO_D2CUR_SIZE                        0x6c10
 #define AVIVO_D2CUR_POSITION                    0x6c14
 
+#define AVIVO_D2MODE_VBLANK_STATUS              0x6d34
 #define AVIVO_D2MODE_VLINE_START_END            0x6d38
 #define AVIVO_D2MODE_VIEWPORT_START             0x6d80
 #define AVIVO_D2MODE_VIEWPORT_SIZE              0x6d84
@@ -748,4 +752,8 @@
 #	define AVIVO_I2C_EN							(1 << 0)
 #	define AVIVO_I2C_RESET						(1 << 8)
 
+#define AVIVO_DISP_INTERRUPT_STATUS                             0x7edc
+#       define AVIVO_D1_VBLANK_INTERRUPT                        (1 << 4)
+#       define AVIVO_D2_VBLANK_INTERRUPT                        (1 << 5)
+
 #endif
diff --git a/drivers/gpu/drm/radeon/r520.c b/drivers/gpu/drm/radeon/r520.c
index 09fb0b6ec7dd..ebd6b0f7bdff 100644
--- a/drivers/gpu/drm/radeon/r520.c
+++ b/drivers/gpu/drm/radeon/r520.c
@@ -177,7 +177,6 @@ void r520_gpu_init(struct radeon_device *rdev)
 	 */
 	/* workaround for RV530 */
 	if (rdev->family == CHIP_RV530) {
-		WREG32(0x4124, 1);
 		WREG32(0x4128, 0xFF);
 	}
 	r420_pipes_init(rdev);
diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c
index 146f3570af8e..20f17908b036 100644
--- a/drivers/gpu/drm/radeon/r600_cp.c
+++ b/drivers/gpu/drm/radeon/r600_cp.c
@@ -384,8 +384,9 @@ static void r600_cp_load_microcode(drm_radeon_private_t *dev_priv)
 		DRM_INFO("Loading RV670 PFP Microcode\n");
 		for (i = 0; i < PFP_UCODE_SIZE; i++)
 			RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV670_pfp_microcode[i]);
-	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780)) {
-		DRM_INFO("Loading RS780 CP Microcode\n");
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
+		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880)) {
+		DRM_INFO("Loading RS780/RS880 CP Microcode\n");
 		for (i = 0; i < PM4_UCODE_SIZE; i++) {
 			RADEON_WRITE(R600_CP_ME_RAM_DATA,
 				     RS780_cp_microcode[i][0]);
@@ -396,7 +397,7 @@ static void r600_cp_load_microcode(drm_radeon_private_t *dev_priv)
 		}
 
 		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
-		DRM_INFO("Loading RS780 PFP Microcode\n");
+		DRM_INFO("Loading RS780/RS880 PFP Microcode\n");
 		for (i = 0; i < PFP_UCODE_SIZE; i++)
 			RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RS780_pfp_microcode[i]);
 	}
@@ -783,6 +784,7 @@ static void r600_gfx_init(struct drm_device *dev,
 		break;
 	case CHIP_RV610:
 	case CHIP_RS780:
+	case CHIP_RS880:
 	case CHIP_RV620:
 		dev_priv->r600_max_pipes = 1;
 		dev_priv->r600_max_tile_pipes = 1;
@@ -917,7 +919,8 @@ static void r600_gfx_init(struct drm_device *dev,
 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630) ||
 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
-	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780))
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880))
 		RADEON_WRITE(R600_DB_DEBUG, R600_PREZ_MUST_WAIT_FOR_POSTZ_DONE);
 	else
 		RADEON_WRITE(R600_DB_DEBUG, 0);
@@ -935,7 +938,8 @@ static void r600_gfx_init(struct drm_device *dev,
 	sq_ms_fifo_sizes = RADEON_READ(R600_SQ_MS_FIFO_SIZES);
 	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
-	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780)) {
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880)) {
 		sq_ms_fifo_sizes = (R600_CACHE_FIFO_SIZE(0xa) |
 				    R600_FETCH_FIFO_HIWATER(0xa) |
 				    R600_DONE_FIFO_HIWATER(0xe0) |
@@ -978,7 +982,8 @@ static void r600_gfx_init(struct drm_device *dev,
 					    R600_NUM_ES_STACK_ENTRIES(0));
 	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
 		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780)) {
+		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
+		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880)) {
 		/* no vertex cache */
 		sq_config &= ~R600_VC_ENABLE;
 
@@ -1035,7 +1040,8 @@ static void r600_gfx_init(struct drm_device *dev,
 
 	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
-	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780))
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880))
 		RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, R600_CACHE_INVALIDATION(R600_TC_ONLY));
 	else
 		RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, R600_CACHE_INVALIDATION(R600_VC_AND_TC));
@@ -1078,6 +1084,7 @@ static void r600_gfx_init(struct drm_device *dev,
 		break;
 	case CHIP_RV610:
 	case CHIP_RS780:
+	case CHIP_RS880:
 	case CHIP_RV620:
 		gs_prim_buffer_depth = 32;
 		break;
@@ -1123,6 +1130,7 @@ static void r600_gfx_init(struct drm_device *dev,
 	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
 	case CHIP_RV610:
 	case CHIP_RS780:
+	case CHIP_RS880:
 	case CHIP_RV620:
 		tc_cntl = R600_TC_L2_SIZE(8);
 		break;
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index b1d945b8ed6c..b519fb2fecbb 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -242,6 +242,7 @@ int radeon_object_pin(struct radeon_object *robj, uint32_t domain,
 		      uint64_t *gpu_addr);
 void radeon_object_unpin(struct radeon_object *robj);
 int radeon_object_wait(struct radeon_object *robj);
+int radeon_object_busy_domain(struct radeon_object *robj, uint32_t *cur_placement);
 int radeon_object_evict_vram(struct radeon_device *rdev);
 int radeon_object_mmap(struct radeon_object *robj, uint64_t *offset);
 void radeon_object_force_delete(struct radeon_device *rdev);
@@ -574,6 +575,7 @@ struct radeon_asic {
 	void (*ring_start)(struct radeon_device *rdev);
 	int (*irq_set)(struct radeon_device *rdev);
 	int (*irq_process)(struct radeon_device *rdev);
+	u32 (*get_vblank_counter)(struct radeon_device *rdev, int crtc);
 	void (*fence_ring_emit)(struct radeon_device *rdev, struct radeon_fence *fence);
 	int (*cs_parse)(struct radeon_cs_parser *p);
 	int (*copy_blit)(struct radeon_device *rdev,
@@ -653,6 +655,7 @@ struct radeon_device {
 	int				usec_timeout;
 	enum radeon_pll_errata		pll_errata;
 	int				num_gb_pipes;
+	int				num_z_pipes;
 	int				disp_priority;
 	/* BIOS */
 	uint8_t				*bios;
@@ -666,14 +669,11 @@ struct radeon_device {
 	resource_size_t			rmmio_base;
 	resource_size_t			rmmio_size;
 	void				*rmmio;
-	radeon_rreg_t			mm_rreg;
-	radeon_wreg_t			mm_wreg;
 	radeon_rreg_t			mc_rreg;
 	radeon_wreg_t			mc_wreg;
 	radeon_rreg_t			pll_rreg;
 	radeon_wreg_t			pll_wreg;
-	radeon_rreg_t			pcie_rreg;
-	radeon_wreg_t			pcie_wreg;
+	uint32_t                        pcie_reg_mask;
 	radeon_rreg_t			pciep_rreg;
 	radeon_wreg_t			pciep_wreg;
 	struct radeon_clock             clock;
@@ -705,22 +705,42 @@ int radeon_device_init(struct radeon_device *rdev,
 void radeon_device_fini(struct radeon_device *rdev);
 int radeon_gpu_wait_for_idle(struct radeon_device *rdev);
 
+static inline uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg)
+{
+	if (reg < 0x10000)
+		return readl(((void __iomem *)rdev->rmmio) + reg);
+	else {
+		writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
+		return readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
+	}
+}
+
+static inline void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
+{
+	if (reg < 0x10000)
+		writel(v, ((void __iomem *)rdev->rmmio) + reg);
+	else {
+		writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
+		writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
+	}
+}
+
 
 /*
  * Registers read & write functions.
  */
 #define RREG8(reg) readb(((void __iomem *)rdev->rmmio) + (reg))
 #define WREG8(reg, v) writeb(v, ((void __iomem *)rdev->rmmio) + (reg))
-#define RREG32(reg) rdev->mm_rreg(rdev, (reg))
-#define WREG32(reg, v) rdev->mm_wreg(rdev, (reg), (v))
+#define RREG32(reg) r100_mm_rreg(rdev, (reg))
+#define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v))
 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
 #define RREG32_PLL(reg) rdev->pll_rreg(rdev, (reg))
 #define WREG32_PLL(reg, v) rdev->pll_wreg(rdev, (reg), (v))
 #define RREG32_MC(reg) rdev->mc_rreg(rdev, (reg))
 #define WREG32_MC(reg, v) rdev->mc_wreg(rdev, (reg), (v))
-#define RREG32_PCIE(reg) rdev->pcie_rreg(rdev, (reg))
-#define WREG32_PCIE(reg, v) rdev->pcie_wreg(rdev, (reg), (v))
+#define RREG32_PCIE(reg) rv370_pcie_rreg(rdev, (reg))
+#define WREG32_PCIE(reg, v) rv370_pcie_wreg(rdev, (reg), (v))
 #define WREG32_P(reg, val, mask)				\
 	do {							\
 		uint32_t tmp_ = RREG32(reg);			\
@@ -736,6 +756,24 @@ int radeon_gpu_wait_for_idle(struct radeon_device *rdev);
 		WREG32_PLL(reg, tmp_);				\
 	} while (0)
 
+/*
+ * Indirect registers accessor
+ */
+static inline uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
+{
+	uint32_t r;
+
+	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
+	r = RREG32(RADEON_PCIE_DATA);
+	return r;
+}
+
+static inline void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
+{
+	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
+	WREG32(RADEON_PCIE_DATA, (v));
+}
+
 void r100_pll_errata_after_index(struct radeon_device *rdev);
 
 
@@ -862,6 +900,7 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
 #define radeon_ring_start(rdev) (rdev)->asic->ring_start((rdev))
 #define radeon_irq_set(rdev) (rdev)->asic->irq_set((rdev))
 #define radeon_irq_process(rdev) (rdev)->asic->irq_process((rdev))
+#define radeon_get_vblank_counter(rdev, crtc) (rdev)->asic->get_vblank_counter((rdev), (crtc))
 #define radeon_fence_ring_emit(rdev, fence) (rdev)->asic->fence_ring_emit((rdev), (fence))
 #define radeon_copy_blit(rdev, s, d, np, f) (rdev)->asic->copy_blit((rdev), (s), (d), (np), (f))
 #define radeon_copy_dma(rdev, s, d, np, f) (rdev)->asic->copy_dma((rdev), (s), (d), (np), (f))
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 9a75876e0c3b..7ca6c13569b5 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -49,6 +49,7 @@ void r100_vram_info(struct radeon_device *rdev);
 int r100_gpu_reset(struct radeon_device *rdev);
 int r100_mc_init(struct radeon_device *rdev);
 void r100_mc_fini(struct radeon_device *rdev);
+u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc);
 int r100_wb_init(struct radeon_device *rdev);
 void r100_wb_fini(struct radeon_device *rdev);
 int r100_gart_enable(struct radeon_device *rdev);
@@ -96,6 +97,7 @@ static struct radeon_asic r100_asic = {
 	.ring_start = &r100_ring_start,
 	.irq_set = &r100_irq_set,
 	.irq_process = &r100_irq_process,
+	.get_vblank_counter = &r100_get_vblank_counter,
 	.fence_ring_emit = &r100_fence_ring_emit,
 	.cs_parse = &r100_cs_parse,
 	.copy_blit = &r100_copy_blit,
@@ -156,6 +158,7 @@ static struct radeon_asic r300_asic = {
 	.ring_start = &r300_ring_start,
 	.irq_set = &r100_irq_set,
 	.irq_process = &r100_irq_process,
+	.get_vblank_counter = &r100_get_vblank_counter,
 	.fence_ring_emit = &r300_fence_ring_emit,
 	.cs_parse = &r300_cs_parse,
 	.copy_blit = &r100_copy_blit,
@@ -196,6 +199,7 @@ static struct radeon_asic r420_asic = {
 	.ring_start = &r300_ring_start,
 	.irq_set = &r100_irq_set,
 	.irq_process = &r100_irq_process,
+	.get_vblank_counter = &r100_get_vblank_counter,
 	.fence_ring_emit = &r300_fence_ring_emit,
 	.cs_parse = &r300_cs_parse,
 	.copy_blit = &r100_copy_blit,
@@ -243,6 +247,7 @@ static struct radeon_asic rs400_asic = {
 	.ring_start = &r300_ring_start,
 	.irq_set = &r100_irq_set,
 	.irq_process = &r100_irq_process,
+	.get_vblank_counter = &r100_get_vblank_counter,
 	.fence_ring_emit = &r300_fence_ring_emit,
 	.cs_parse = &r300_cs_parse,
 	.copy_blit = &r100_copy_blit,
@@ -266,6 +271,8 @@ void rs600_vram_info(struct radeon_device *rdev);
 int rs600_mc_init(struct radeon_device *rdev);
 void rs600_mc_fini(struct radeon_device *rdev);
 int rs600_irq_set(struct radeon_device *rdev);
+int rs600_irq_process(struct radeon_device *rdev);
+u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc);
 int rs600_gart_enable(struct radeon_device *rdev);
 void rs600_gart_disable(struct radeon_device *rdev);
 void rs600_gart_tlb_flush(struct radeon_device *rdev);
@@ -291,7 +298,8 @@ static struct radeon_asic rs600_asic = {
 	.cp_disable = &r100_cp_disable,
 	.ring_start = &r300_ring_start,
 	.irq_set = &rs600_irq_set,
-	.irq_process = &r100_irq_process,
+	.irq_process = &rs600_irq_process,
+	.get_vblank_counter = &rs600_get_vblank_counter,
 	.fence_ring_emit = &r300_fence_ring_emit,
 	.cs_parse = &r300_cs_parse,
 	.copy_blit = &r100_copy_blit,
@@ -308,6 +316,7 @@ static struct radeon_asic rs600_asic = {
 /*
  * rs690,rs740
  */
+int rs690_init(struct radeon_device *rdev);
 void rs690_errata(struct radeon_device *rdev);
 void rs690_vram_info(struct radeon_device *rdev);
 int rs690_mc_init(struct radeon_device *rdev);
@@ -316,7 +325,7 @@ uint32_t rs690_mc_rreg(struct radeon_device *rdev, uint32_t reg);
 void rs690_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
 void rs690_bandwidth_update(struct radeon_device *rdev);
 static struct radeon_asic rs690_asic = {
-	.init = &r300_init,
+	.init = &rs690_init,
 	.errata = &rs690_errata,
 	.vram_info = &rs690_vram_info,
 	.gpu_reset = &r300_gpu_reset,
@@ -333,7 +342,8 @@ static struct radeon_asic rs690_asic = {
 	.cp_disable = &r100_cp_disable,
 	.ring_start = &r300_ring_start,
 	.irq_set = &rs600_irq_set,
-	.irq_process = &r100_irq_process,
+	.irq_process = &rs600_irq_process,
+	.get_vblank_counter = &rs600_get_vblank_counter,
 	.fence_ring_emit = &r300_fence_ring_emit,
 	.cs_parse = &r300_cs_parse,
 	.copy_blit = &r100_copy_blit,
@@ -381,8 +391,9 @@ static struct radeon_asic rv515_asic = {
 	.cp_fini = &r100_cp_fini,
 	.cp_disable = &r100_cp_disable,
 	.ring_start = &rv515_ring_start,
-	.irq_set = &r100_irq_set,
-	.irq_process = &r100_irq_process,
+	.irq_set = &rs600_irq_set,
+	.irq_process = &rs600_irq_process,
+	.get_vblank_counter = &rs600_get_vblank_counter,
 	.fence_ring_emit = &r300_fence_ring_emit,
 	.cs_parse = &r300_cs_parse,
 	.copy_blit = &r100_copy_blit,
@@ -423,8 +434,9 @@ static struct radeon_asic r520_asic = {
 	.cp_fini = &r100_cp_fini,
 	.cp_disable = &r100_cp_disable,
 	.ring_start = &rv515_ring_start,
-	.irq_set = &r100_irq_set,
-	.irq_process = &r100_irq_process,
+	.irq_set = &rs600_irq_set,
+	.irq_process = &rs600_irq_process,
+	.get_vblank_counter = &rs600_get_vblank_counter,
 	.fence_ring_emit = &r300_fence_ring_emit,
 	.cs_parse = &r300_cs_parse,
 	.copy_blit = &r100_copy_blit,
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index afc4db280b94..2a027e00762a 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -685,23 +685,15 @@ static const uint32_t default_tvdac_adj[CHIP_LAST] = {
 	0x00780000,		/* rs480 */
 };
 
-static struct radeon_encoder_tv_dac
-    *radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev)
+static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
+						     struct radeon_encoder_tv_dac *tv_dac)
 {
-	struct radeon_encoder_tv_dac *tv_dac = NULL;
-
-	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
-
-	if (!tv_dac)
-		return NULL;
-
 	tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
 	if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
 		tv_dac->ps2_tvdac_adj = 0x00880000;
 	tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
 	tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
-
-	return tv_dac;
+	return;
 }
 
 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
@@ -713,19 +705,18 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
 	uint16_t dac_info;
 	uint8_t rev, bg, dac;
 	struct radeon_encoder_tv_dac *tv_dac = NULL;
+	int found = 0;
+
+	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
+	if (!tv_dac)
+		return NULL;
 
 	if (rdev->bios == NULL)
-		return radeon_legacy_get_tv_dac_info_from_table(rdev);
+		goto out;
 
 	/* first check TV table */
 	dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
 	if (dac_info) {
-		tv_dac =
-		    kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
-
-		if (!tv_dac)
-			return NULL;
-
 		rev = RBIOS8(dac_info + 0x3);
 		if (rev > 4) {
 			bg = RBIOS8(dac_info + 0xc) & 0xf;
@@ -739,6 +730,7 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
 			bg = RBIOS8(dac_info + 0x10) & 0xf;
 			dac = RBIOS8(dac_info + 0x11) & 0xf;
 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
+			found = 1;
 		} else if (rev > 1) {
 			bg = RBIOS8(dac_info + 0xc) & 0xf;
 			dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
@@ -751,22 +743,15 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
 			bg = RBIOS8(dac_info + 0xe) & 0xf;
 			dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
+			found = 1;
 		}
-
 		tv_dac->tv_std = radeon_combios_get_tv_info(encoder);
-
-	} else {
+	}
+	if (!found) {
 		/* then check CRT table */
 		dac_info =
 		    combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
 		if (dac_info) {
-			tv_dac =
-			    kzalloc(sizeof(struct radeon_encoder_tv_dac),
-				    GFP_KERNEL);
-
-			if (!tv_dac)
-				return NULL;
-
 			rev = RBIOS8(dac_info) & 0x3;
 			if (rev < 2) {
 				bg = RBIOS8(dac_info + 0x3) & 0xf;
@@ -775,6 +760,7 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
 				    (bg << 16) | (dac << 20);
 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
+				found = 1;
 			} else {
 				bg = RBIOS8(dac_info + 0x4) & 0xf;
 				dac = RBIOS8(dac_info + 0x5) & 0xf;
@@ -782,13 +768,17 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
 				    (bg << 16) | (dac << 20);
 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
+				found = 1;
 			}
 		} else {
 			DRM_INFO("No TV DAC info found in BIOS\n");
-			return radeon_legacy_get_tv_dac_info_from_table(rdev);
 		}
 	}
 
+out:
+	if (!found) /* fallback to defaults */
+		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
+
 	return tv_dac;
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index d8356827ef17..7a52c461145c 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -406,6 +406,15 @@ static void radeon_init_pipes(drm_radeon_private_t *dev_priv)
 {
 	uint32_t gb_tile_config, gb_pipe_sel = 0;
 
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV530) {
+		uint32_t z_pipe_sel = RADEON_READ(RV530_GB_PIPE_SELECT2);
+		if ((z_pipe_sel & 3) == 3)
+			dev_priv->num_z_pipes = 2;
+		else
+			dev_priv->num_z_pipes = 1;
+	} else
+		dev_priv->num_z_pipes = 1;
+
 	/* RS4xx/RS6xx/R4xx/R5xx */
 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R420) {
 		gb_pipe_sel = RADEON_READ(R400_GB_PIPE_SELECT);
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index a162ade74b7f..7693f7c67bd3 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -152,7 +152,9 @@ int radeon_mc_setup(struct radeon_device *rdev)
 		}
 	} else {
 		rdev->mc.vram_location = 0;
-		rdev->mc.gtt_location = rdev->mc.mc_vram_size;
+		tmp = rdev->mc.mc_vram_size;
+		tmp = (tmp + rdev->mc.gtt_size - 1) & ~(rdev->mc.gtt_size - 1);
+		rdev->mc.gtt_location = tmp;
 	}
 	DRM_INFO("radeon: VRAM %uM\n", rdev->mc.real_vram_size >> 20);
 	DRM_INFO("radeon: VRAM from 0x%08X to 0x%08X\n",
@@ -223,25 +225,18 @@ void radeon_invalid_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 
 void radeon_register_accessor_init(struct radeon_device *rdev)
 {
-	rdev->mm_rreg = &r100_mm_rreg;
-	rdev->mm_wreg = &r100_mm_wreg;
 	rdev->mc_rreg = &radeon_invalid_rreg;
 	rdev->mc_wreg = &radeon_invalid_wreg;
 	rdev->pll_rreg = &radeon_invalid_rreg;
 	rdev->pll_wreg = &radeon_invalid_wreg;
-	rdev->pcie_rreg = &radeon_invalid_rreg;
-	rdev->pcie_wreg = &radeon_invalid_wreg;
 	rdev->pciep_rreg = &radeon_invalid_rreg;
 	rdev->pciep_wreg = &radeon_invalid_wreg;
 
 	/* Don't change order as we are overridding accessor. */
 	if (rdev->family < CHIP_RV515) {
-		rdev->pcie_rreg = &rv370_pcie_rreg;
-		rdev->pcie_wreg = &rv370_pcie_wreg;
-	}
-	if (rdev->family >= CHIP_RV515) {
-		rdev->pcie_rreg = &rv515_pcie_rreg;
-		rdev->pcie_wreg = &rv515_pcie_wreg;
+		rdev->pcie_reg_mask = 0xff;
+	} else {
+		rdev->pcie_reg_mask = 0x7ff;
 	}
 	/* FIXME: not sure here */
 	if (rdev->family <= CHIP_R580) {
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 3cfcee17dc56..0bd5879a4957 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -318,6 +318,14 @@ static int __init radeon_init(void)
 	driver = &driver_old;
 	driver->num_ioctls = radeon_max_ioctl;
 #if defined(CONFIG_DRM_RADEON_KMS)
+#ifdef CONFIG_VGA_CONSOLE
+	if (vgacon_text_force() && radeon_modeset == -1) {
+		DRM_INFO("VGACON disable radeon kernel modesetting.\n");
+		driver = &driver_old;
+		driver->driver_features &= ~DRIVER_MODESET;
+		radeon_modeset = 0;
+	}
+#endif
 	/* if enabled by default */
 	if (radeon_modeset == -1) {
 		DRM_INFO("radeon default to kernel modesetting.\n");
@@ -329,17 +337,8 @@ static int __init radeon_init(void)
 		driver->driver_features |= DRIVER_MODESET;
 		driver->num_ioctls = radeon_max_kms_ioctl;
 	}
-
 	/* if the vga console setting is enabled still
 	 * let modprobe override it */
-#ifdef CONFIG_VGA_CONSOLE
-	if (vgacon_text_force() && radeon_modeset == -1) {
-		DRM_INFO("VGACON disable radeon kernel modesetting.\n");
-		driver = &driver_old;
-		driver->driver_features &= ~DRIVER_MODESET;
-		radeon_modeset = 0;
-	}
-#endif
 #endif
 	return drm_init(driver);
 }
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index 127d0456f628..6fa32dac4e97 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -100,9 +100,10 @@
  * 1.28- Add support for VBL on CRTC2
  * 1.29- R500 3D cmd buffer support
  * 1.30- Add support for occlusion queries
+ * 1.31- Add support for num Z pipes from GET_PARAM
  */
 #define DRIVER_MAJOR		1
-#define DRIVER_MINOR		30
+#define DRIVER_MINOR		31
 #define DRIVER_PATCHLEVEL	0
 
 /*
@@ -143,6 +144,7 @@ enum radeon_family {
 	CHIP_RV635,
 	CHIP_RV670,
 	CHIP_RS780,
+	CHIP_RS880,
 	CHIP_RV770,
 	CHIP_RV730,
 	CHIP_RV710,
@@ -328,6 +330,7 @@ typedef struct drm_radeon_private {
 	resource_size_t fb_aper_offset;
 
 	int num_gb_pipes;
+	int num_z_pipes;
 	int track_flush;
 	drm_local_map_t *mmio;
 
@@ -688,6 +691,7 @@ extern void r600_page_table_cleanup(struct drm_device *dev, struct drm_ati_pciga
 
 /* pipe config regs */
 #define R400_GB_PIPE_SELECT             0x402c
+#define RV530_GB_PIPE_SELECT2           0x4124
 #define R500_DYN_SCLK_PWMEM_PIPE        0x000d /* PLL */
 #define R300_GB_TILE_CONFIG             0x4018
 #       define R300_ENABLE_TILING       (1 << 0)
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index 3206c0ad7b6c..ec383edf5f38 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -574,6 +574,8 @@ int radeonfb_create(struct radeon_device *rdev,
 		goto out_unref;
 	}
 
+	memset_io(fbptr, 0, aligned_size);
+
 	strcpy(info->fix.id, "radeondrmfb");
 	info->fix.type = FB_TYPE_PACKED_PIXELS;
 	info->fix.visual = FB_VISUAL_TRUECOLOR;
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index cded5180c752..d880edf254db 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -262,8 +262,34 @@ int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
 			  struct drm_file *filp)
 {
-	/* FIXME: implement */
-	return 0;
+	struct drm_radeon_gem_busy *args = data;
+	struct drm_gem_object *gobj;
+	struct radeon_object *robj;
+	int r;
+	uint32_t cur_placement;
+
+	gobj = drm_gem_object_lookup(dev, filp, args->handle);
+	if (gobj == NULL) {
+		return -EINVAL;
+	}
+	robj = gobj->driver_private;
+	r = radeon_object_busy_domain(robj, &cur_placement);
+	switch (cur_placement) {
+	case TTM_PL_VRAM:
+		args->domain = RADEON_GEM_DOMAIN_VRAM;
+		break;
+	case TTM_PL_TT:
+		args->domain = RADEON_GEM_DOMAIN_GTT;
+		break;
+	case TTM_PL_SYSTEM:
+		args->domain = RADEON_GEM_DOMAIN_CPU;
+	default:
+		break;
+	}
+	mutex_lock(&dev->struct_mutex);
+	drm_gem_object_unreference(gobj);
+	mutex_unlock(&dev->struct_mutex);
+	return r;
 }
 
 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 491d569deb0e..9805e4b6ca1b 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -32,60 +32,6 @@
 #include "radeon.h"
 #include "atom.h"
 
-static inline uint32_t r100_irq_ack(struct radeon_device *rdev)
-{
-	uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
-	uint32_t irq_mask = RADEON_SW_INT_TEST;
-
-	if (irqs) {
-		WREG32(RADEON_GEN_INT_STATUS, irqs);
-	}
-	return irqs & irq_mask;
-}
-
-int r100_irq_set(struct radeon_device *rdev)
-{
-	uint32_t tmp = 0;
-
-	if (rdev->irq.sw_int) {
-		tmp |= RADEON_SW_INT_ENABLE;
-	}
-	/* Todo go through CRTC and enable vblank int or not */
-	WREG32(RADEON_GEN_INT_CNTL, tmp);
-	return 0;
-}
-
-int r100_irq_process(struct radeon_device *rdev)
-{
-	uint32_t status;
-
-	status = r100_irq_ack(rdev);
-	if (!status) {
-		return IRQ_NONE;
-	}
-	while (status) {
-		/* SW interrupt */
-		if (status & RADEON_SW_INT_TEST) {
-			radeon_fence_process(rdev);
-		}
-		status = r100_irq_ack(rdev);
-	}
-	return IRQ_HANDLED;
-}
-
-int rs600_irq_set(struct radeon_device *rdev)
-{
-	uint32_t tmp = 0;
-
-	if (rdev->irq.sw_int) {
-		tmp |= RADEON_SW_INT_ENABLE;
-	}
-	WREG32(RADEON_GEN_INT_CNTL, tmp);
-	/* Todo go through CRTC and enable vblank int or not */
-	WREG32(R500_DxMODE_INT_MASK, 0);
-	return 0;
-}
-
 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS)
 {
 	struct drm_device *dev = (struct drm_device *) arg;
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 937a2f1cdb46..dce09ada32bc 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -58,6 +58,8 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
 	if (r) {
 		DRM_ERROR("Failed to initialize radeon, disabling IOCTL\n");
 		radeon_device_fini(rdev);
+		kfree(rdev);
+		dev->dev_private = NULL;
 		return r;
 	}
 	return 0;
@@ -93,6 +95,9 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 	case RADEON_INFO_NUM_GB_PIPES:
 		value = rdev->num_gb_pipes;
 		break;
+	case RADEON_INFO_NUM_Z_PIPES:
+		value = rdev->num_z_pipes;
+		break;
 	default:
 		DRM_DEBUG("Invalid request %d\n", info->request);
 		return -EINVAL;
@@ -139,19 +144,42 @@ void radeon_driver_preclose_kms(struct drm_device *dev,
  */
 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc)
 {
-	/* FIXME: implement */
-	return 0;
+	struct radeon_device *rdev = dev->dev_private;
+
+	if (crtc < 0 || crtc > 1) {
+		DRM_ERROR("Invalid crtc %d\n", crtc);
+		return -EINVAL;
+	}
+
+	return radeon_get_vblank_counter(rdev, crtc);
 }
 
 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc)
 {
-	/* FIXME: implement */
-	return 0;
+	struct radeon_device *rdev = dev->dev_private;
+
+	if (crtc < 0 || crtc > 1) {
+		DRM_ERROR("Invalid crtc %d\n", crtc);
+		return -EINVAL;
+	}
+
+	rdev->irq.crtc_vblank_int[crtc] = true;
+
+	return radeon_irq_set(rdev);
 }
 
 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc)
 {
-	/* FIXME: implement */
+	struct radeon_device *rdev = dev->dev_private;
+
+	if (crtc < 0 || crtc > 1) {
+		DRM_ERROR("Invalid crtc %d\n", crtc);
+		return;
+	}
+
+	rdev->irq.crtc_vblank_int[crtc] = false;
+
+	radeon_irq_set(rdev);
 }
 
 
@@ -293,5 +321,6 @@ struct drm_ioctl_desc radeon_ioctls_kms[] = {
 	DRM_IOCTL_DEF(DRM_RADEON_INFO, radeon_info_ioctl, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH),
 };
 int radeon_max_kms_ioctl = DRM_ARRAY_SIZE(radeon_ioctls_kms);
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index 7d06dc98a42a..0da72f18fd3a 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -310,10 +310,13 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
 									 RADEON_CRTC_DISP_REQ_EN_B));
 			WREG32_P(RADEON_CRTC_EXT_CNTL, 0, ~mask);
 		}
+		drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
+		radeon_crtc_load_lut(crtc);
 		break;
 	case DRM_MODE_DPMS_STANDBY:
 	case DRM_MODE_DPMS_SUSPEND:
 	case DRM_MODE_DPMS_OFF:
+		drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
 		if (radeon_crtc->crtc_id)
 			WREG32_P(RADEON_CRTC2_GEN_CNTL, mask, ~mask);
 		else {
@@ -323,10 +326,6 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
 		}
 		break;
 	}
-
-	if (mode != DRM_MODE_DPMS_OFF) {
-		radeon_crtc_load_lut(crtc);
-	}
 }
 
 /* properly set crtc bpp when using atombios */
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 34d0f58eb944..9322675ef6d0 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -1066,6 +1066,7 @@ radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_id, uint32_t
 
 	switch (radeon_encoder->encoder_id) {
 	case ENCODER_OBJECT_ID_INTERNAL_LVDS:
+		encoder->possible_crtcs = 0x1;
 		drm_encoder_init(dev, encoder, &radeon_legacy_lvds_enc_funcs, DRM_MODE_ENCODER_LVDS);
 		drm_encoder_helper_add(encoder, &radeon_legacy_lvds_helper_funcs);
 		if (rdev->is_atom_bios)
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index dd9ac2fed6d6..b85fb83d7ae8 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -106,7 +106,7 @@ static inline uint32_t radeon_object_flags_from_domain(uint32_t domain)
 		flags |= TTM_PL_FLAG_VRAM | TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED;
 	}
 	if (domain & RADEON_GEM_DOMAIN_GTT) {
-		flags |= TTM_PL_FLAG_TT | TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED;
+		flags |= TTM_PL_FLAG_TT | TTM_PL_MASK_CACHING;
 	}
 	if (domain & RADEON_GEM_DOMAIN_CPU) {
 		flags |= TTM_PL_FLAG_SYSTEM | TTM_PL_MASK_CACHING;
@@ -316,6 +316,25 @@ int radeon_object_wait(struct radeon_object *robj)
 	return r;
 }
 
+int radeon_object_busy_domain(struct radeon_object *robj, uint32_t *cur_placement)
+{
+	int r = 0;
+
+	r = radeon_object_reserve(robj, true);
+	if (unlikely(r != 0)) {
+		DRM_ERROR("radeon: failed to reserve object for waiting.\n");
+		return r;
+	}
+	spin_lock(&robj->tobj.lock);
+	*cur_placement = robj->tobj.mem.mem_type;
+	if (robj->tobj.sync_obj) {
+		r = ttm_bo_wait(&robj->tobj, true, true, true);
+	}
+	spin_unlock(&robj->tobj.lock);
+	radeon_object_unreserve(robj);
+	return r;
+}
+
 int radeon_object_evict_vram(struct radeon_device *rdev)
 {
 	if (rdev->flags & RADEON_IS_IGP) {
diff --git a/drivers/gpu/drm/radeon/radeon_reg.h b/drivers/gpu/drm/radeon/radeon_reg.h
index e1b618574461..4df43f62c678 100644
--- a/drivers/gpu/drm/radeon/radeon_reg.h
+++ b/drivers/gpu/drm/radeon/radeon_reg.h
@@ -982,12 +982,15 @@
 #       define RS400_TMDS2_PLLRST           (1 << 1)
 
 #define RADEON_GEN_INT_CNTL                 0x0040
+#	define RADEON_CRTC_VBLANK_MASK		(1 << 0)
+#	define RADEON_CRTC2_VBLANK_MASK		(1 << 9)
 #	define RADEON_SW_INT_ENABLE		(1 << 25)
 #define RADEON_GEN_INT_STATUS               0x0044
-#       define RADEON_VSYNC_INT_AK          (1 <<  2)
-#       define RADEON_VSYNC_INT             (1 <<  2)
-#       define RADEON_VSYNC2_INT_AK         (1 <<  6)
-#       define RADEON_VSYNC2_INT            (1 <<  6)
+#	define AVIVO_DISPLAY_INT_STATUS		(1 << 0)
+#	define RADEON_CRTC_VBLANK_STAT		(1 << 0)
+#	define RADEON_CRTC_VBLANK_STAT_ACK	(1 << 0)
+#	define RADEON_CRTC2_VBLANK_STAT		(1 << 9)
+#	define RADEON_CRTC2_VBLANK_STAT_ACK	(1 << 9)
 #	define RADEON_SW_INT_FIRE		(1 << 26)
 #	define RADEON_SW_INT_TEST		(1 << 25)
 #	define RADEON_SW_INT_TEST_ACK		(1 << 25)
@@ -2334,6 +2337,9 @@
 #       define RADEON_RE_WIDTH_SHIFT        0
 #       define RADEON_RE_HEIGHT_SHIFT       16
 
+#define RADEON_RB3D_ZPASS_DATA 0x3290
+#define RADEON_RB3D_ZPASS_ADDR 0x3294
+
 #define RADEON_SE_CNTL                      0x1c4c
 #       define RADEON_FFACE_CULL_CW          (0 <<  0)
 #       define RADEON_FFACE_CULL_CCW         (1 <<  0)
@@ -3568,4 +3574,6 @@
 #define RADEON_SCRATCH_REG4		0x15f0
 #define RADEON_SCRATCH_REG5		0x15f4
 
+#define RV530_GB_PIPE_SELECT2           0x4124
+
 #endif
diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c
index 46645f3e0328..2882f40d5ec5 100644
--- a/drivers/gpu/drm/radeon/radeon_state.c
+++ b/drivers/gpu/drm/radeon/radeon_state.c
@@ -3081,6 +3081,9 @@ static int radeon_cp_getparam(struct drm_device *dev, void *data, struct drm_fil
 	case RADEON_PARAM_NUM_GB_PIPES:
 		value = dev_priv->num_gb_pipes;
 		break;
+	case RADEON_PARAM_NUM_Z_PIPES:
+		value = dev_priv->num_z_pipes;
+		break;
 	default:
 		DRM_DEBUG("Invalid parameter %d\n", param->param);
 		return -EINVAL;
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index bbea6dee4a94..7e8ce983a908 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -240,6 +240,88 @@ void rs600_mc_fini(struct radeon_device *rdev)
 
 
 /*
+ * Interrupts
+ */
+int rs600_irq_set(struct radeon_device *rdev)
+{
+	uint32_t tmp = 0;
+	uint32_t mode_int = 0;
+
+	if (rdev->irq.sw_int) {
+		tmp |= RADEON_SW_INT_ENABLE;
+	}
+	if (rdev->irq.crtc_vblank_int[0]) {
+		tmp |= AVIVO_DISPLAY_INT_STATUS;
+		mode_int |= AVIVO_D1MODE_INT_MASK;
+	}
+	if (rdev->irq.crtc_vblank_int[1]) {
+		tmp |= AVIVO_DISPLAY_INT_STATUS;
+		mode_int |= AVIVO_D2MODE_INT_MASK;
+	}
+	WREG32(RADEON_GEN_INT_CNTL, tmp);
+	WREG32(AVIVO_DxMODE_INT_MASK, mode_int);
+	return 0;
+}
+
+static inline uint32_t rs600_irq_ack(struct radeon_device *rdev, u32 *r500_disp_int)
+{
+	uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
+	uint32_t irq_mask = RADEON_SW_INT_TEST;
+
+	if (irqs & AVIVO_DISPLAY_INT_STATUS) {
+		*r500_disp_int = RREG32(AVIVO_DISP_INTERRUPT_STATUS);
+		if (*r500_disp_int & AVIVO_D1_VBLANK_INTERRUPT) {
+			WREG32(AVIVO_D1MODE_VBLANK_STATUS, AVIVO_VBLANK_ACK);
+		}
+		if (*r500_disp_int & AVIVO_D2_VBLANK_INTERRUPT) {
+			WREG32(AVIVO_D2MODE_VBLANK_STATUS, AVIVO_VBLANK_ACK);
+		}
+	} else {
+		*r500_disp_int = 0;
+	}
+
+	if (irqs) {
+		WREG32(RADEON_GEN_INT_STATUS, irqs);
+	}
+	return irqs & irq_mask;
+}
+
+int rs600_irq_process(struct radeon_device *rdev)
+{
+	uint32_t status;
+	uint32_t r500_disp_int;
+
+	status = rs600_irq_ack(rdev, &r500_disp_int);
+	if (!status && !r500_disp_int) {
+		return IRQ_NONE;
+	}
+	while (status || r500_disp_int) {
+		/* SW interrupt */
+		if (status & RADEON_SW_INT_TEST) {
+			radeon_fence_process(rdev);
+		}
+		/* Vertical blank interrupts */
+		if (r500_disp_int & AVIVO_D1_VBLANK_INTERRUPT) {
+			drm_handle_vblank(rdev->ddev, 0);
+		}
+		if (r500_disp_int & AVIVO_D2_VBLANK_INTERRUPT) {
+			drm_handle_vblank(rdev->ddev, 1);
+		}
+		status = rs600_irq_ack(rdev, &r500_disp_int);
+	}
+	return IRQ_HANDLED;
+}
+
+u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc)
+{
+	if (crtc == 0)
+		return RREG32(AVIVO_D1CRTC_FRAME_COUNT);
+	else
+		return RREG32(AVIVO_D2CRTC_FRAME_COUNT);
+}
+
+
+/*
  * Global GPU functions
  */
 void rs600_disable_vga(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 839595b00728..bc6b7c5339bc 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -652,3 +652,68 @@ void rs690_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 	WREG32(RS690_MC_DATA, v);
 	WREG32(RS690_MC_INDEX, RS690_MC_INDEX_WR_ACK);
 }
+
+static const unsigned rs690_reg_safe_bm[219] = {
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0x17FF1FFF,0xFFFFFFFC,0xFFFFFFFF,0xFF30FFBF,
+	0xFFFFFFF8,0xC3E6FFFF,0xFFFFF6DF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFF03F,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFEFCE,0xF00EBFFF,0x007C0000,
+	0xF0000078,0xFF000009,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFF7FF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFC78,0xFFFFFFFF,0xFFFFFFFE,0xFFFFFFFF,
+	0x38FF8F50,0xFFF88082,0xF000000C,0xFAE009FF,
+	0x0000FFFF,0xFFFFFFFF,0xFFFFFFFF,0x00000000,
+	0x00000000,0x0000C100,0x00000000,0x00000000,
+	0x00000000,0x00000000,0x00000000,0x00000000,
+	0x00000000,0xFFFF0000,0xFFFFFFFF,0xFF80FFFF,
+	0x00000000,0x00000000,0x00000000,0x00000000,
+	0x0003FC01,0xFFFFFFF8,0xFE800B19,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+	0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
+};
+
+int rs690_init(struct radeon_device *rdev)
+{
+	rdev->config.r300.reg_safe_bm = rs690_reg_safe_bm;
+	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs690_reg_safe_bm);
+	return 0;
+}
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index 551e608702e4..31a7f668ae5a 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -370,6 +370,7 @@ void rv515_vram_info(struct radeon_device *rdev)
 
 	rv515_vram_get_type(rdev);
 
+	r100_vram_init_sizes(rdev);
 	/* FIXME: we should enforce default clock in case GPU is not in
 	 * default setup
 	 */
@@ -399,25 +400,6 @@ void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 	WREG32(MC_IND_INDEX, 0);
 }
 
-uint32_t rv515_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
-{
-	uint32_t r;
-
-	WREG32(PCIE_INDEX, ((reg) & 0x7ff));
-	(void)RREG32(PCIE_INDEX);
-	r = RREG32(PCIE_DATA);
-	return r;
-}
-
-void rv515_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
-{
-	WREG32(PCIE_INDEX, ((reg) & 0x7ff));
-	(void)RREG32(PCIE_INDEX);
-	WREG32(PCIE_DATA, (v));
-	(void)RREG32(PCIE_DATA);
-}
-
-
 /*
  * Debugfs info
  */
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 6538d4236989..c2b0d710d10f 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1182,13 +1182,14 @@ static int ttm_bo_force_list_clean(struct ttm_bo_device *bdev,
 
 int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type)
 {
-	struct ttm_mem_type_manager *man = &bdev->man[mem_type];
+	struct ttm_mem_type_manager *man;
 	int ret = -EINVAL;
 
 	if (mem_type >= TTM_NUM_MEM_TYPES) {
 		printk(KERN_ERR TTM_PFX "Illegal memory type %d\n", mem_type);
 		return ret;
 	}
+	man = &bdev->man[mem_type];
 
 	if (!man->has_type) {
 		printk(KERN_ERR TTM_PFX "Trying to take down uninitialized "
@@ -1575,6 +1576,10 @@ int ttm_bo_wait(struct ttm_buffer_object *bo,
 			driver->sync_obj_unref(&sync_obj);
 			driver->sync_obj_unref(&tmp_obj);
 			spin_lock(&bo->lock);
+		} else {
+			spin_unlock(&bo->lock);
+			driver->sync_obj_unref(&sync_obj);
+			spin_lock(&bo->lock);
 		}
 	}
 	return 0;
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index ce2e6f38ea01..ad4ada07c6cf 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -150,7 +150,7 @@ static int ttm_copy_io_ttm_page(struct ttm_tt *ttm, void *src,
 #ifdef CONFIG_X86
 	dst = kmap_atomic_prot(d, KM_USER0, prot);
 #else
-	if (prot != PAGE_KERNEL)
+	if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL))
 		dst = vmap(&d, 1, 0, prot);
 	else
 		dst = kmap(d);
@@ -163,7 +163,7 @@ static int ttm_copy_io_ttm_page(struct ttm_tt *ttm, void *src,
 #ifdef CONFIG_X86
 	kunmap_atomic(dst, KM_USER0);
 #else
-	if (prot != PAGE_KERNEL)
+	if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL))
 		vunmap(dst);
 	else
 		kunmap(d);
@@ -186,7 +186,7 @@ static int ttm_copy_ttm_io_page(struct ttm_tt *ttm, void *dst,
 #ifdef CONFIG_X86
 	src = kmap_atomic_prot(s, KM_USER0, prot);
 #else
-	if (prot != PAGE_KERNEL)
+	if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL))
 		src = vmap(&s, 1, 0, prot);
 	else
 		src = kmap(s);
@@ -199,7 +199,7 @@ static int ttm_copy_ttm_io_page(struct ttm_tt *ttm, void *dst,
 #ifdef CONFIG_X86
 	kunmap_atomic(src, KM_USER0);
 #else
-	if (prot != PAGE_KERNEL)
+	if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL))
 		vunmap(src);
 	else
 		kunmap(s);
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index d258b02aef44..827da0858136 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -674,7 +674,14 @@ omap_i2c_isr(int this_irq, void *dev_id)
 
 		err = 0;
 complete:
-		omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, stat);
+		/*
+		 * Ack the stat in one go, but [R/X]DR and [R/X]RDY should be
+		 * acked after the data operation is complete.
+		 * Ref: TRM SWPU114Q Figure 18-31
+		 */
+		omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, stat &
+				~(OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR |
+				OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR));
 
 		if (stat & OMAP_I2C_STAT_NACK) {
 			err |= OMAP_I2C_STAT_NACK;
@@ -687,6 +694,9 @@ complete:
 		}
 		if (stat & (OMAP_I2C_STAT_ARDY | OMAP_I2C_STAT_NACK |
 					OMAP_I2C_STAT_AL)) {
+			omap_i2c_ack_stat(dev, stat &
+				(OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR |
+				OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR));
 			omap_i2c_complete_cmd(dev, err);
 			return IRQ_HANDLED;
 		}
@@ -774,7 +784,7 @@ complete:
 				 * memory to the I2C interface.
 				 */
 
-				if (cpu_is_omap34xx()) {
+				if (dev->rev <= OMAP_I2C_REV_ON_3430) {
 						while (!(stat & OMAP_I2C_STAT_XUDF)) {
 							if (stat & (OMAP_I2C_STAT_NACK | OMAP_I2C_STAT_AL)) {
 								omap_i2c_ack_stat(dev, stat & (OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR));
diff --git a/drivers/i2c/busses/i2c-stu300.c b/drivers/i2c/busses/i2c-stu300.c
index 182e711318ba..d2728a28a8db 100644
--- a/drivers/i2c/busses/i2c-stu300.c
+++ b/drivers/i2c/busses/i2c-stu300.c
@@ -117,7 +117,8 @@ enum stu300_error {
 	STU300_ERROR_NONE = 0,
 	STU300_ERROR_ACKNOWLEDGE_FAILURE,
 	STU300_ERROR_BUS_ERROR,
-	STU300_ERROR_ARBITRATION_LOST
+	STU300_ERROR_ARBITRATION_LOST,
+	STU300_ERROR_UNKNOWN
 };
 
 /* timeout waiting for the controller to respond */
@@ -127,7 +128,7 @@ enum stu300_error {
  * The number of address send athemps tried before giving up.
  * If the first one failes it seems like 5 to 8 attempts are required.
  */
-#define NUM_ADDR_RESEND_ATTEMPTS 10
+#define NUM_ADDR_RESEND_ATTEMPTS 12
 
 /* I2C clock speed, in Hz 0-400kHz*/
 static unsigned int scl_frequency = 100000;
@@ -149,6 +150,7 @@ module_param(scl_frequency, uint,  0644);
  * @msg_index: index of current message
  * @msg_len: length of current message
  */
+
 struct stu300_dev {
 	struct platform_device	*pdev;
 	struct i2c_adapter	adapter;
@@ -188,6 +190,27 @@ static inline u32 stu300_r8(void __iomem *address)
 	return readl(address) & 0x000000FFU;
 }
 
+static void stu300_irq_enable(struct stu300_dev *dev)
+{
+	u32 val;
+	val = stu300_r8(dev->virtbase + I2C_CR);
+	val |= I2C_CR_INTERRUPT_ENABLE;
+	/* Twice paranoia (possible HW glitch) */
+	stu300_wr8(val, dev->virtbase + I2C_CR);
+	stu300_wr8(val, dev->virtbase + I2C_CR);
+}
+
+static void stu300_irq_disable(struct stu300_dev *dev)
+{
+	u32 val;
+	val = stu300_r8(dev->virtbase + I2C_CR);
+	val &= ~I2C_CR_INTERRUPT_ENABLE;
+	/* Twice paranoia (possible HW glitch) */
+	stu300_wr8(val, dev->virtbase + I2C_CR);
+	stu300_wr8(val, dev->virtbase + I2C_CR);
+}
+
+
 /*
  * Tells whether a certain event or events occurred in
  * response to a command. The events represent states in
@@ -196,9 +219,10 @@ static inline u32 stu300_r8(void __iomem *address)
  * documentation and can only be treated as abstract state
  * machine states.
  *
- * @ret 0 = event has not occurred, any other value means
- * the event occurred.
+ * @ret 0 = event has not occurred or unknown error, any
+ * other value means the correct event occurred or an error.
  */
+
 static int stu300_event_occurred(struct stu300_dev *dev,
 				   enum stu300_event mr_event) {
 	u32 status1;
@@ -206,11 +230,28 @@ static int stu300_event_occurred(struct stu300_dev *dev,
 
 	/* What event happened? */
 	status1 = stu300_r8(dev->virtbase + I2C_SR1);
+
 	if (!(status1 & I2C_SR1_EVF_IND))
 		/* No event at all */
 		return 0;
+
 	status2 = stu300_r8(dev->virtbase + I2C_SR2);
 
+	/* Block any multiple interrupts */
+	stu300_irq_disable(dev);
+
+	/* Check for errors first */
+	if (status2 & I2C_SR2_AF_IND) {
+		dev->cmd_err = STU300_ERROR_ACKNOWLEDGE_FAILURE;
+		return 1;
+	} else if (status2 & I2C_SR2_BERR_IND) {
+		dev->cmd_err = STU300_ERROR_BUS_ERROR;
+		return 1;
+	} else if (status2 & I2C_SR2_ARLO_IND) {
+		dev->cmd_err = STU300_ERROR_ARBITRATION_LOST;
+		return 1;
+	}
+
 	switch (mr_event) {
 	case STU300_EVENT_1:
 		if (status1 & I2C_SR1_ADSL_IND)
@@ -221,10 +262,6 @@ static int stu300_event_occurred(struct stu300_dev *dev,
 	case STU300_EVENT_7:
 	case STU300_EVENT_8:
 		if (status1 & I2C_SR1_BTF_IND) {
-			if (status2 & I2C_SR2_AF_IND)
-				dev->cmd_err = STU300_ERROR_ACKNOWLEDGE_FAILURE;
-			else if (status2 & I2C_SR2_BERR_IND)
-				dev->cmd_err = STU300_ERROR_BUS_ERROR;
 			return 1;
 		}
 		break;
@@ -240,8 +277,6 @@ static int stu300_event_occurred(struct stu300_dev *dev,
 	case STU300_EVENT_6:
 		if (status2 & I2C_SR2_ENDAD_IND) {
 			/* First check for any errors */
-			if (status2 & I2C_SR2_AF_IND)
-				dev->cmd_err = STU300_ERROR_ACKNOWLEDGE_FAILURE;
 			return 1;
 		}
 		break;
@@ -252,8 +287,15 @@ static int stu300_event_occurred(struct stu300_dev *dev,
 	default:
 		break;
 	}
-	if (status2 & I2C_SR2_ARLO_IND)
-		dev->cmd_err = STU300_ERROR_ARBITRATION_LOST;
+	/* If we get here, we're on thin ice.
+	 * Here we are in a status where we have
+	 * gotten a response that does not match
+	 * what we requested.
+	 */
+	dev->cmd_err = STU300_ERROR_UNKNOWN;
+	dev_err(&dev->pdev->dev,
+		"Unhandled interrupt! %d sr1: 0x%x sr2: 0x%x\n",
+		mr_event, status1, status2);
 	return 0;
 }
 
@@ -262,21 +304,20 @@ static irqreturn_t stu300_irh(int irq, void *data)
 	struct stu300_dev *dev = data;
 	int res;
 
+	/* Just make sure that the block is clocked */
+	clk_enable(dev->clk);
+
 	/* See if this was what we were waiting for */
 	spin_lock(&dev->cmd_issue_lock);
-	if (dev->cmd_event != STU300_EVENT_NONE) {
-		res = stu300_event_occurred(dev, dev->cmd_event);
-		if (res || dev->cmd_err != STU300_ERROR_NONE) {
-			u32 val;
-
-			complete(&dev->cmd_complete);
-			/* Block any multiple interrupts */
-			val = stu300_r8(dev->virtbase + I2C_CR);
-			val &= ~I2C_CR_INTERRUPT_ENABLE;
-			stu300_wr8(val, dev->virtbase + I2C_CR);
-		}
-	}
+
+	res = stu300_event_occurred(dev, dev->cmd_event);
+	if (res || dev->cmd_err != STU300_ERROR_NONE)
+		complete(&dev->cmd_complete);
+
 	spin_unlock(&dev->cmd_issue_lock);
+
+	clk_disable(dev->clk);
+
 	return IRQ_HANDLED;
 }
 
@@ -308,7 +349,6 @@ static int stu300_start_and_await_event(struct stu300_dev *dev,
 	stu300_wr8(cr_value, dev->virtbase + I2C_CR);
 	ret = wait_for_completion_interruptible_timeout(&dev->cmd_complete,
 							STU300_TIMEOUT);
-
 	if (ret < 0) {
 		dev_err(&dev->pdev->dev,
 		       "wait_for_completion_interruptible_timeout() "
@@ -342,7 +382,6 @@ static int stu300_await_event(struct stu300_dev *dev,
 				enum stu300_event mr_event)
 {
 	int ret;
-	u32 val;
 
 	if (unlikely(irqs_disabled())) {
 		/* TODO: implement polling for this case if need be. */
@@ -354,36 +393,18 @@ static int stu300_await_event(struct stu300_dev *dev,
 	/* Is it already here? */
 	spin_lock_irq(&dev->cmd_issue_lock);
 	dev->cmd_err = STU300_ERROR_NONE;
-	if (stu300_event_occurred(dev, mr_event)) {
-		spin_unlock_irq(&dev->cmd_issue_lock);
-		goto exit_await_check_err;
-	}
-	init_completion(&dev->cmd_complete);
-	dev->cmd_err = STU300_ERROR_NONE;
 	dev->cmd_event = mr_event;
 
-	/* Turn on the I2C interrupt for current operation */
-	val = stu300_r8(dev->virtbase + I2C_CR);
-	val |= I2C_CR_INTERRUPT_ENABLE;
-	stu300_wr8(val, dev->virtbase + I2C_CR);
-
-	/* Twice paranoia (possible HW glitch) */
-	stu300_wr8(val, dev->virtbase + I2C_CR);
+	init_completion(&dev->cmd_complete);
 
-	/* Check again: is it already here? */
-	if (unlikely(stu300_event_occurred(dev, mr_event))) {
-		/* Disable IRQ again. */
-		val &= ~I2C_CR_INTERRUPT_ENABLE;
-		stu300_wr8(val, dev->virtbase + I2C_CR);
-		spin_unlock_irq(&dev->cmd_issue_lock);
-		goto exit_await_check_err;
-	}
+	/* Turn on the I2C interrupt for current operation */
+	stu300_irq_enable(dev);
 
 	/* Unlock the command block and wait for the event to occur */
 	spin_unlock_irq(&dev->cmd_issue_lock);
+
 	ret = wait_for_completion_interruptible_timeout(&dev->cmd_complete,
 							STU300_TIMEOUT);
-
 	if (ret < 0) {
 		dev_err(&dev->pdev->dev,
 		       "wait_for_completion_interruptible_timeout()"
@@ -401,7 +422,6 @@ static int stu300_await_event(struct stu300_dev *dev,
 		return -ETIMEDOUT;
 	}
 
- exit_await_check_err:
 	if (dev->cmd_err != STU300_ERROR_NONE) {
 		if (mr_event != STU300_EVENT_6) {
 			dev_err(&dev->pdev->dev, "controller "
@@ -457,18 +477,19 @@ struct stu300_clkset {
 };
 
 static const struct stu300_clkset stu300_clktable[] = {
-	{ 0, 0xFFU },
-	{ 2500000, I2C_OAR2_FR_25_10MHZ },
-	{ 10000000, I2C_OAR2_FR_10_1667MHZ },
-	{ 16670000, I2C_OAR2_FR_1667_2667MHZ },
-	{ 26670000, I2C_OAR2_FR_2667_40MHZ },
-	{ 40000000, I2C_OAR2_FR_40_5333MHZ },
-	{ 53330000, I2C_OAR2_FR_5333_66MHZ },
-	{ 66000000, I2C_OAR2_FR_66_80MHZ },
-	{ 80000000, I2C_OAR2_FR_80_100MHZ },
+	{ 0,         0xFFU },
+	{ 2500000,   I2C_OAR2_FR_25_10MHZ },
+	{ 10000000,  I2C_OAR2_FR_10_1667MHZ },
+	{ 16670000,  I2C_OAR2_FR_1667_2667MHZ },
+	{ 26670000,  I2C_OAR2_FR_2667_40MHZ },
+	{ 40000000,  I2C_OAR2_FR_40_5333MHZ },
+	{ 53330000,  I2C_OAR2_FR_5333_66MHZ },
+	{ 66000000,  I2C_OAR2_FR_66_80MHZ },
+	{ 80000000,  I2C_OAR2_FR_80_100MHZ },
 	{ 100000000, 0xFFU },
 };
 
+
 static int stu300_set_clk(struct stu300_dev *dev, unsigned long clkrate)
 {
 
@@ -494,10 +515,10 @@ static int stu300_set_clk(struct stu300_dev *dev, unsigned long clkrate)
 
 	if (dev->speed > 100000)
 		/* Fast Mode I2C */
-		val = ((clkrate/dev->speed)-9)/3;
+		val = ((clkrate/dev->speed) - 9)/3 + 1;
 	else
 		/* Standard Mode I2C */
-		val = ((clkrate/dev->speed)-7)/2;
+		val = ((clkrate/dev->speed) - 7)/2 + 1;
 
 	/* According to spec the divider must be > 2 */
 	if (val < 0x002) {
@@ -557,6 +578,7 @@ static int stu300_init_hw(struct stu300_dev *dev)
 	 */
 	clkrate = clk_get_rate(dev->clk);
 	ret = stu300_set_clk(dev, clkrate);
+
 	if (ret)
 		return ret;
 	/*
@@ -641,7 +663,6 @@ static int stu300_xfer_msg(struct i2c_adapter *adap,
 	int attempts = 0;
 	struct stu300_dev *dev = i2c_get_adapdata(adap);
 
-
 	clk_enable(dev->clk);
 
 	/* Remove this if (0) to trace each and every message. */
@@ -715,14 +736,15 @@ static int stu300_xfer_msg(struct i2c_adapter *adap,
 
 	if (attempts < NUM_ADDR_RESEND_ATTEMPTS && attempts > 0) {
 		dev_dbg(&dev->pdev->dev, "managed to get address "
-		       "through after %d attempts\n", attempts);
+			"through after %d attempts\n", attempts);
 	} else if (attempts == NUM_ADDR_RESEND_ATTEMPTS) {
 		dev_dbg(&dev->pdev->dev, "I give up, tried %d times "
-		       "to resend address.\n",
-		       NUM_ADDR_RESEND_ATTEMPTS);
+			"to resend address.\n",
+			NUM_ADDR_RESEND_ATTEMPTS);
 		goto exit_disable;
 	}
 
+
 	if (msg->flags & I2C_M_RD) {
 		/* READ: we read the actual bytes one at a time */
 		for (i = 0; i < msg->len; i++) {
@@ -804,8 +826,10 @@ static int stu300_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
 {
 	int ret = -1;
 	int i;
+
 	struct stu300_dev *dev = i2c_get_adapdata(adap);
 	dev->msg_len = num;
+
 	for (i = 0; i < num; i++) {
 		/*
 		 * Another driver appears to send stop for each message,
@@ -817,6 +841,7 @@ static int stu300_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
 		dev->msg_index = i;
 
 		ret = stu300_xfer_msg(adap, &msgs[i], (i == (num - 1)));
+
 		if (ret != 0) {
 			num = ret;
 			break;
@@ -845,6 +870,7 @@ stu300_probe(struct platform_device *pdev)
 	struct resource *res;
 	int bus_nr;
 	int ret = 0;
+	char clk_name[] = "I2C0";
 
 	dev = kzalloc(sizeof(struct stu300_dev), GFP_KERNEL);
 	if (!dev) {
@@ -854,7 +880,8 @@ stu300_probe(struct platform_device *pdev)
 	}
 
 	bus_nr = pdev->id;
-	dev->clk = clk_get(&pdev->dev, NULL);
+	clk_name[3] += (char)bus_nr;
+	dev->clk = clk_get(&pdev->dev, clk_name);
 	if (IS_ERR(dev->clk)) {
 		ret = PTR_ERR(dev->clk);
 		dev_err(&pdev->dev, "could not retrieve i2c bus clock\n");
diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 4cfd084fa897..9a1d55b74d7a 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -456,8 +456,11 @@ static int joydev_ioctl_common(struct joydev *joydev,
 				unsigned int cmd, void __user *argp)
 {
 	struct input_dev *dev = joydev->handle.dev;
+	size_t len;
 	int i, j;
+	const char *name;
 
+	/* Process fixed-sized commands. */
 	switch (cmd) {
 
 	case JS_SET_CAL:
@@ -499,9 +502,22 @@ static int joydev_ioctl_common(struct joydev *joydev,
 		return copy_to_user(argp, joydev->corr,
 			sizeof(joydev->corr[0]) * joydev->nabs) ? -EFAULT : 0;
 
-	case JSIOCSAXMAP:
-		if (copy_from_user(joydev->abspam, argp,
-				   sizeof(__u8) * (ABS_MAX + 1)))
+	}
+
+	/*
+	 * Process variable-sized commands (the axis and button map commands
+	 * are considered variable-sized to decouple them from the values of
+	 * ABS_MAX and KEY_MAX).
+	 */
+	switch (cmd & ~IOCSIZE_MASK) {
+
+	case (JSIOCSAXMAP & ~IOCSIZE_MASK):
+		len = min_t(size_t, _IOC_SIZE(cmd), sizeof(joydev->abspam));
+		/*
+		 * FIXME: we should not copy into our axis map before
+		 * validating the data.
+		 */
+		if (copy_from_user(joydev->abspam, argp, len))
 			return -EFAULT;
 
 		for (i = 0; i < joydev->nabs; i++) {
@@ -511,13 +527,17 @@ static int joydev_ioctl_common(struct joydev *joydev,
 		}
 		return 0;
 
-	case JSIOCGAXMAP:
-		return copy_to_user(argp, joydev->abspam,
-			sizeof(__u8) * (ABS_MAX + 1)) ? -EFAULT : 0;
-
-	case JSIOCSBTNMAP:
-		if (copy_from_user(joydev->keypam, argp,
-				   sizeof(__u16) * (KEY_MAX - BTN_MISC + 1)))
+	case (JSIOCGAXMAP & ~IOCSIZE_MASK):
+		len = min_t(size_t, _IOC_SIZE(cmd), sizeof(joydev->abspam));
+		return copy_to_user(argp, joydev->abspam, len) ? -EFAULT : 0;
+
+	case (JSIOCSBTNMAP & ~IOCSIZE_MASK):
+		len = min_t(size_t, _IOC_SIZE(cmd), sizeof(joydev->keypam));
+		/*
+		 * FIXME: we should not copy into our keymap before
+		 * validating the data.
+		 */
+		if (copy_from_user(joydev->keypam, argp, len))
 			return -EFAULT;
 
 		for (i = 0; i < joydev->nkey; i++) {
@@ -529,25 +549,19 @@ static int joydev_ioctl_common(struct joydev *joydev,
 
 		return 0;
 
-	case JSIOCGBTNMAP:
-		return copy_to_user(argp, joydev->keypam,
-			sizeof(__u16) * (KEY_MAX - BTN_MISC + 1)) ? -EFAULT : 0;
+	case (JSIOCGBTNMAP & ~IOCSIZE_MASK):
+		len = min_t(size_t, _IOC_SIZE(cmd), sizeof(joydev->keypam));
+		return copy_to_user(argp, joydev->keypam, len) ? -EFAULT : 0;
 
-	default:
-		if ((cmd & ~IOCSIZE_MASK) == JSIOCGNAME(0)) {
-			int len;
-			const char *name = dev->name;
-
-			if (!name)
-				return 0;
-			len = strlen(name) + 1;
-			if (len > _IOC_SIZE(cmd))
-				len = _IOC_SIZE(cmd);
-			if (copy_to_user(argp, name, len))
-				return -EFAULT;
-			return len;
-		}
+	case JSIOCGNAME(0):
+		name = dev->name;
+		if (!name)
+			return 0;
+
+		len = min_t(size_t, _IOC_SIZE(cmd), strlen(name) + 1);
+		return copy_to_user(argp, name, len) ? -EFAULT : len;
 	}
+
 	return -EINVAL;
 }
 
diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c
index baabf8302645..f6c688cae334 100644
--- a/drivers/input/joystick/iforce/iforce-main.c
+++ b/drivers/input/joystick/iforce/iforce-main.c
@@ -74,6 +74,7 @@ static struct iforce_device iforce_device[] = {
 	{ 0x05ef, 0x8884, "AVB Mag Turbo Force",			btn_avb_wheel, abs_wheel, ff_iforce },
 	{ 0x05ef, 0x8888, "AVB Top Shot Force Feedback Racing Wheel",	btn_avb_tw, abs_wheel, ff_iforce }, //?
 	{ 0x061c, 0xc0a4, "ACT LABS Force RS",                          btn_wheel, abs_wheel, ff_iforce }, //?
+	{ 0x061c, 0xc084, "ACT LABS Force RS",				btn_wheel, abs_wheel, ff_iforce },
 	{ 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback",	btn_wheel, abs_wheel, ff_iforce }, //?
 	{ 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel",	btn_wheel, abs_wheel, ff_iforce }, //?
 	{ 0x06f8, 0x0004, "Gullemot Jet Leader 3D",			btn_joystick, abs_joystick, ff_iforce }, //?
diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c
index f83185aeb511..9f289d8f52c6 100644
--- a/drivers/input/joystick/iforce/iforce-usb.c
+++ b/drivers/input/joystick/iforce/iforce-usb.c
@@ -223,6 +223,7 @@ static struct usb_device_id iforce_usb_ids [] = {
 	{ USB_DEVICE(0x05ef, 0x8884) },		/* AVB Mag Turbo Force */
 	{ USB_DEVICE(0x05ef, 0x8888) },		/* AVB Top Shot FFB Racing Wheel */
 	{ USB_DEVICE(0x061c, 0xc0a4) },         /* ACT LABS Force RS */
+	{ USB_DEVICE(0x061c, 0xc084) },         /* ACT LABS Force RS */
 	{ USB_DEVICE(0x06f8, 0x0001) },		/* Guillemot Race Leader Force Feedback */
 	{ USB_DEVICE(0x06f8, 0x0004) },		/* Guillemot Force Feedback Racing Wheel */
 	{ USB_DEVICE(0x06f8, 0xa302) },		/* Guillemot Jet Leader 3D */
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
index e9b2e7cb05be..541b981ff075 100644
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@@ -27,6 +27,7 @@ struct matrix_keypad {
 	const struct matrix_keypad_platform_data *pdata;
 	struct input_dev *input_dev;
 	unsigned short *keycodes;
+	unsigned int row_shift;
 
 	uint32_t last_key_state[MATRIX_MAX_COLS];
 	struct delayed_work work;
@@ -136,7 +137,7 @@ static void matrix_keypad_scan(struct work_struct *work)
 			if ((bits_changed & (1 << row)) == 0)
 				continue;
 
-			code = (row << 4) + col;
+			code = MATRIX_SCAN_CODE(row, col, keypad->row_shift);
 			input_event(input_dev, EV_MSC, MSC_SCAN, code);
 			input_report_key(input_dev,
 					 keypad->keycodes[code],
@@ -317,6 +318,7 @@ static int __devinit matrix_keypad_probe(struct platform_device *pdev)
 	struct matrix_keypad *keypad;
 	struct input_dev *input_dev;
 	unsigned short *keycodes;
+	unsigned int row_shift;
 	int i;
 	int err;
 
@@ -332,14 +334,11 @@ static int __devinit matrix_keypad_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	if (!keymap_data->max_keymap_size) {
-		dev_err(&pdev->dev, "invalid keymap data supplied\n");
-		return -EINVAL;
-	}
+	row_shift = get_count_order(pdata->num_col_gpios);
 
 	keypad = kzalloc(sizeof(struct matrix_keypad), GFP_KERNEL);
-	keycodes = kzalloc(keymap_data->max_keymap_size *
-				sizeof(keypad->keycodes),
+	keycodes = kzalloc((pdata->num_row_gpios << row_shift) *
+				sizeof(*keycodes),
 			   GFP_KERNEL);
 	input_dev = input_allocate_device();
 	if (!keypad || !keycodes || !input_dev) {
@@ -350,6 +349,7 @@ static int __devinit matrix_keypad_probe(struct platform_device *pdev)
 	keypad->input_dev = input_dev;
 	keypad->pdata = pdata;
 	keypad->keycodes = keycodes;
+	keypad->row_shift = row_shift;
 	keypad->stopped = true;
 	INIT_DELAYED_WORK(&keypad->work, matrix_keypad_scan);
 	spin_lock_init(&keypad->lock);
@@ -363,7 +363,7 @@ static int __devinit matrix_keypad_probe(struct platform_device *pdev)
 
 	input_dev->keycode	= keycodes;
 	input_dev->keycodesize	= sizeof(*keycodes);
-	input_dev->keycodemax	= keymap_data->max_keymap_size;
+	input_dev->keycodemax	= pdata->num_row_gpios << keypad->row_shift;
 
 	for (i = 0; i < keymap_data->keymap_size; i++) {
 		unsigned int key = keymap_data->keymap[i];
@@ -371,7 +371,7 @@ static int __devinit matrix_keypad_probe(struct platform_device *pdev)
 		unsigned int col = KEY_COL(key);
 		unsigned short code = KEY_VAL(key);
 
-		keycodes[(row << 4) + col] = code;
+		keycodes[MATRIX_SCAN_CODE(row, col, row_shift)] = code;
 		__set_bit(code, input_dev->keybit);
 	}
 	__clear_bit(KEY_RESERVED, input_dev->keybit);
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index 26e17a9a22eb..27ee976eb54c 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -611,6 +611,20 @@ static struct key_entry keymap_wistron_generic[] __initdata = {
 	{ KE_END, 0 }
 };
 
+static struct key_entry keymap_prestigio[] __initdata = {
+	{ KE_KEY,  0x11, {KEY_PROG1} },
+	{ KE_KEY,  0x12, {KEY_PROG2} },
+	{ KE_WIFI,  0x30 },
+	{ KE_KEY,  0x22, {KEY_REWIND} },
+	{ KE_KEY,  0x23, {KEY_FORWARD} },
+	{ KE_KEY,  0x24, {KEY_PLAYPAUSE} },
+	{ KE_KEY,  0x25, {KEY_STOPCD} },
+	{ KE_KEY,  0x31, {KEY_MAIL} },
+	{ KE_KEY,  0x36, {KEY_WWW} },
+	{ KE_END,  0 }
+};
+
+
 /*
  * If your machine is not here (which is currently rather likely), please send
  * a list of buttons and their key codes (reported when loading this module
@@ -971,6 +985,8 @@ static int __init select_keymap(void)
 	if (keymap_name != NULL) {
 		if (strcmp (keymap_name, "1557/MS2141") == 0)
 			keymap = keymap_wistron_ms2141;
+		else if (strcmp (keymap_name, "prestigio") == 0)
+			keymap = keymap_prestigio;
 		else if (strcmp (keymap_name, "generic") == 0)
 			keymap = keymap_wistron_generic;
 		else {
diff --git a/drivers/input/serio/hp_sdc_mlc.c b/drivers/input/serio/hp_sdc_mlc.c
index b587e2d576ac..820e51673b26 100644
--- a/drivers/input/serio/hp_sdc_mlc.c
+++ b/drivers/input/serio/hp_sdc_mlc.c
@@ -296,7 +296,7 @@ static void hp_sdc_mlc_out(hil_mlc *mlc)
 	priv->tseq[3] = 0;
 	if (mlc->opacket & HIL_CTRL_APE) {
 		priv->tseq[3] |= HP_SDC_LPC_APE_IPF;
-		down_trylock(&mlc->csem);
+		BUG_ON(down_trylock(&mlc->csem));
 	}
  enqueue:
 	hp_sdc_enqueue_transaction(&priv->trans);
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 924e8ed7f2cf..ae04d8a494e5 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -78,6 +78,14 @@ static struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
 		},
 	},
 	{
+		.ident = "ASUS G1S",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
+			DMI_MATCH(DMI_BOARD_NAME, "G1S"),
+			DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
+		},
+	},
+	{
 		/* AUX LOOP command does not raise AUX IRQ */
 		.ident = "ASUS P65UP5",
 		.matches = {
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index a9d5031b855e..ea30c983a33e 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -388,6 +388,32 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
 	return result;
 }
 
+static int wacom_query_tablet_data(struct usb_interface *intf)
+{
+	unsigned char *rep_data;
+	int limit = 0;
+	int error;
+
+	rep_data = kmalloc(2, GFP_KERNEL);
+	if (!rep_data)
+		return -ENOMEM;
+
+	do {
+		rep_data[0] = 2;
+		rep_data[1] = 2;
+		error = usb_set_report(intf, WAC_HID_FEATURE_REPORT,
+					2, rep_data, 2);
+		if (error >= 0)
+			error = usb_get_report(intf,
+						WAC_HID_FEATURE_REPORT, 2,
+						rep_data, 2);
+	} while ((error < 0 || rep_data[1] != 2) && limit++ < 5);
+
+	kfree(rep_data);
+
+	return error < 0 ? error : 0;
+}
+
 static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
 	struct usb_device *dev = interface_to_usbdev(intf);
@@ -398,7 +424,6 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
 	struct wacom_features *features;
 	struct input_dev *input_dev;
 	int error = -ENOMEM;
-	char rep_data[2], limit = 0;
 	struct hid_descriptor *hid_desc;
 
 	wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
@@ -489,20 +514,10 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
 
 	/*
 	 * Ask the tablet to report tablet data if it is not a Tablet PC.
-	 * Repeat until it succeeds
+	 * Note that if query fails it is not a hard failure.
 	 */
-	if (wacom_wac->features->type != TABLETPC) {
-		do {
-			rep_data[0] = 2;
-			rep_data[1] = 2;
-			error = usb_set_report(intf, WAC_HID_FEATURE_REPORT,
-						2, rep_data, 2);
-			if (error >= 0)
-				error = usb_get_report(intf,
-						WAC_HID_FEATURE_REPORT, 2,
-						rep_data, 2);
-		} while ((error < 0 || rep_data[1] != 2) && limit++ < 5);
-	}
+	if (wacom_wac->features->type != TABLETPC)
+		wacom_query_tablet_data(intf);
 
 	usb_set_intfdata(intf, wacom);
 	return 0;
diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c
index 6954f5500108..3a7a58222f83 100644
--- a/drivers/input/touchscreen/ucb1400_ts.c
+++ b/drivers/input/touchscreen/ucb1400_ts.c
@@ -170,11 +170,11 @@ static void ucb1400_handle_pending_irq(struct ucb1400_ts *ucb)
 	ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, isr);
 	ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0);
 
-	if (isr & UCB_IE_TSPX) {
+	if (isr & UCB_IE_TSPX)
 		ucb1400_ts_irq_disable(ucb->ac97);
-		enable_irq(ucb->irq);
-	} else
-		printk(KERN_ERR "ucb1400: unexpected IE_STATUS = %#x\n", isr);
+	else
+		dev_dbg(&ucb->ts_idev->dev, "ucb1400: unexpected IE_STATUS = %#x\n", isr);
+	enable_irq(ucb->irq);
 }
 
 static int ucb1400_ts_thread(void *_ucb)
@@ -345,6 +345,7 @@ static int ucb1400_ts_detect_irq(struct ucb1400_ts *ucb)
 static int ucb1400_ts_probe(struct platform_device *dev)
 {
 	int error, x_res, y_res;
+	u16 fcsr;
 	struct ucb1400_ts *ucb = dev->dev.platform_data;
 
 	ucb->ts_idev = input_allocate_device();
@@ -382,6 +383,14 @@ static int ucb1400_ts_probe(struct platform_device *dev)
 	ucb->ts_idev->evbit[0]		= BIT_MASK(EV_ABS) | BIT_MASK(EV_KEY);
 	ucb->ts_idev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
 
+	/*
+	 * Enable ADC filter to prevent horrible jitter on Colibri.
+	 * This also further reduces jitter on boards where ADCSYNC
+	 * pin is connected.
+	 */
+	fcsr = ucb1400_reg_read(ucb->ac97, UCB_FCSR);
+	ucb1400_reg_write(ucb->ac97, UCB_FCSR, fcsr | UCB_FCSR_AVE);
+
 	ucb1400_adc_enable(ucb->ac97);
 	x_res = ucb1400_ts_read_xres(ucb);
 	y_res = ucb1400_ts_read_yres(ucb);
diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c
index c3b661a666cb..7e5f30dbc0a0 100644
--- a/drivers/isdn/mISDN/l1oip_core.c
+++ b/drivers/isdn/mISDN/l1oip_core.c
@@ -1480,7 +1480,7 @@ l1oip_init(void)
 		return -ENOMEM;
 
 	l1oip_cnt = 0;
-	while (type[l1oip_cnt] && l1oip_cnt < MAX_CARDS) {
+	while (l1oip_cnt < MAX_CARDS && type[l1oip_cnt]) {
 		switch (type[l1oip_cnt] & 0xff) {
 		case 1:
 			pri = 0;
diff --git a/drivers/leds/ledtrig-gpio.c b/drivers/leds/ledtrig-gpio.c
index a247ae63374f..1bc5db4ece0d 100644
--- a/drivers/leds/ledtrig-gpio.c
+++ b/drivers/leds/ledtrig-gpio.c
@@ -117,6 +117,9 @@ static ssize_t gpio_trig_inverted_store(struct device *dev,
 
 	gpio_data->inverted = !!inverted;
 
+	/* After inverting, we need to update the LED. */
+	schedule_work(&gpio_data->work);
+
 	return n;
 }
 static DEVICE_ATTR(inverted, 0644, gpio_trig_inverted_show,
@@ -146,20 +149,26 @@ static ssize_t gpio_trig_gpio_store(struct device *dev,
 		return -EINVAL;
 	}
 
+	if (gpio_data->gpio == gpio)
+		return n;
+
 	if (!gpio) {
-		free_irq(gpio_to_irq(gpio_data->gpio), led);
+		if (gpio_data->gpio != 0)
+			free_irq(gpio_to_irq(gpio_data->gpio), led);
+		gpio_data->gpio = 0;
 		return n;
 	}
 
-	if (gpio_data->gpio > 0 && gpio_data->gpio != gpio)
-		free_irq(gpio_to_irq(gpio_data->gpio), led);
-
-	gpio_data->gpio = gpio;
 	ret = request_irq(gpio_to_irq(gpio), gpio_trig_irq,
 			IRQF_SHARED | IRQF_TRIGGER_RISING
 			| IRQF_TRIGGER_FALLING, "ledtrig-gpio", led);
-	if (ret)
+	if (ret) {
 		dev_err(dev, "request_irq failed with error %d\n", ret);
+	} else {
+		if (gpio_data->gpio != 0)
+			free_irq(gpio_to_irq(gpio_data->gpio), led);
+		gpio_data->gpio = gpio;
+	}
 
 	return ret ? ret : n;
 }
@@ -211,7 +220,8 @@ static void gpio_trig_deactivate(struct led_classdev *led)
 		device_remove_file(led->dev, &dev_attr_inverted);
 		device_remove_file(led->dev, &dev_attr_desired_brightness);
 		flush_work(&gpio_data->work);
-		free_irq(gpio_to_irq(gpio_data->gpio),led);
+		if (gpio_data->gpio != 0)
+			free_irq(gpio_to_irq(gpio_data->gpio), led);
 		kfree(gpio_data);
 	}
 }
diff --git a/drivers/macintosh/via-maciisi.c b/drivers/macintosh/via-maciisi.c
index 4d686c0bdea0..9ab5b0c34f0d 100644
--- a/drivers/macintosh/via-maciisi.c
+++ b/drivers/macintosh/via-maciisi.c
@@ -288,7 +288,7 @@ static void maciisi_sync(struct adb_request *req)
 	}
 	/* This could be BAD... when the ADB controller doesn't respond
 	 * for this long, it's probably not coming back :-( */
-	if(count >= 50) /* Hopefully shouldn't happen */
+	if (count > 50) /* Hopefully shouldn't happen */
 		printk(KERN_ERR "maciisi_send_request: poll timed out!\n");
 }
 
diff --git a/drivers/md/dm-log-userspace-transfer.c b/drivers/md/dm-log-userspace-transfer.c
index 0ca1ee768a1f..8ce74d95ae4d 100644
--- a/drivers/md/dm-log-userspace-transfer.c
+++ b/drivers/md/dm-log-userspace-transfer.c
@@ -108,7 +108,7 @@ static int fill_pkg(struct cn_msg *msg, struct dm_ulog_request *tfr)
 				*(pkg->data_size) = 0;
 		} else if (tfr->data_size > *(pkg->data_size)) {
 			DMERR("Insufficient space to receive package [%u] "
-			      "(%u vs %lu)", tfr->request_type,
+			      "(%u vs %zu)", tfr->request_type,
 			      tfr->data_size, *(pkg->data_size));
 
 			*(pkg->data_size) = 0;
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 5810fa906af0..5fe39c2a3d2b 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -220,6 +220,7 @@ static int linear_run (mddev_t *mddev)
 	mddev->queue->unplug_fn = linear_unplug;
 	mddev->queue->backing_dev_info.congested_fn = linear_congested;
 	mddev->queue->backing_dev_info.congested_data = mddev;
+	md_integrity_register(mddev);
 	return 0;
 }
 
@@ -256,6 +257,7 @@ static int linear_add(mddev_t *mddev, mdk_rdev_t *rdev)
 	rcu_assign_pointer(mddev->private, newconf);
 	md_set_array_sectors(mddev, linear_size(mddev, 0, 0));
 	set_capacity(mddev->gendisk, mddev->array_sectors);
+	revalidate_disk(mddev->gendisk);
 	call_rcu(&oldconf->rcu, free_conf);
 	return 0;
 }
diff --git a/drivers/md/md.c b/drivers/md/md.c
index d4351ff0849f..9dd872000cec 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -359,6 +359,7 @@ static mddev_t * mddev_find(dev_t unit)
 	else
 		new->md_minor = MINOR(unit) >> MdpMinorShift;
 
+	mutex_init(&new->open_mutex);
 	mutex_init(&new->reconfig_mutex);
 	INIT_LIST_HEAD(&new->disks);
 	INIT_LIST_HEAD(&new->all_mddevs);
@@ -1308,7 +1309,12 @@ static int super_1_validate(mddev_t *mddev, mdk_rdev_t *rdev)
 	}
 	if (mddev->level != LEVEL_MULTIPATH) {
 		int role;
-		role = le16_to_cpu(sb->dev_roles[rdev->desc_nr]);
+		if (rdev->desc_nr < 0 ||
+		    rdev->desc_nr >= le32_to_cpu(sb->max_dev)) {
+			role = 0xffff;
+			rdev->desc_nr = -1;
+		} else
+			role = le16_to_cpu(sb->dev_roles[rdev->desc_nr]);
 		switch(role) {
 		case 0xffff: /* spare */
 			break;
@@ -1394,8 +1400,14 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
 		if (rdev2->desc_nr+1 > max_dev)
 			max_dev = rdev2->desc_nr+1;
 
-	if (max_dev > le32_to_cpu(sb->max_dev))
+	if (max_dev > le32_to_cpu(sb->max_dev)) {
+		int bmask;
 		sb->max_dev = cpu_to_le32(max_dev);
+		rdev->sb_size = max_dev * 2 + 256;
+		bmask = queue_logical_block_size(rdev->bdev->bd_disk->queue)-1;
+		if (rdev->sb_size & bmask)
+			rdev->sb_size = (rdev->sb_size | bmask) + 1;
+	}
 	for (i=0; i<max_dev;i++)
 		sb->dev_roles[i] = cpu_to_le16(0xfffe);
 	
@@ -1487,37 +1499,76 @@ static int match_mddev_units(mddev_t *mddev1, mddev_t *mddev2)
 
 static LIST_HEAD(pending_raid_disks);
 
-static void md_integrity_check(mdk_rdev_t *rdev, mddev_t *mddev)
+/*
+ * Try to register data integrity profile for an mddev
+ *
+ * This is called when an array is started and after a disk has been kicked
+ * from the array. It only succeeds if all working and active component devices
+ * are integrity capable with matching profiles.
+ */
+int md_integrity_register(mddev_t *mddev)
+{
+	mdk_rdev_t *rdev, *reference = NULL;
+
+	if (list_empty(&mddev->disks))
+		return 0; /* nothing to do */
+	if (blk_get_integrity(mddev->gendisk))
+		return 0; /* already registered */
+	list_for_each_entry(rdev, &mddev->disks, same_set) {
+		/* skip spares and non-functional disks */
+		if (test_bit(Faulty, &rdev->flags))
+			continue;
+		if (rdev->raid_disk < 0)
+			continue;
+		/*
+		 * If at least one rdev is not integrity capable, we can not
+		 * enable data integrity for the md device.
+		 */
+		if (!bdev_get_integrity(rdev->bdev))
+			return -EINVAL;
+		if (!reference) {
+			/* Use the first rdev as the reference */
+			reference = rdev;
+			continue;
+		}
+		/* does this rdev's profile match the reference profile? */
+		if (blk_integrity_compare(reference->bdev->bd_disk,
+				rdev->bdev->bd_disk) < 0)
+			return -EINVAL;
+	}
+	/*
+	 * All component devices are integrity capable and have matching
+	 * profiles, register the common profile for the md device.
+	 */
+	if (blk_integrity_register(mddev->gendisk,
+			bdev_get_integrity(reference->bdev)) != 0) {
+		printk(KERN_ERR "md: failed to register integrity for %s\n",
+			mdname(mddev));
+		return -EINVAL;
+	}
+	printk(KERN_NOTICE "md: data integrity on %s enabled\n",
+		mdname(mddev));
+	return 0;
+}
+EXPORT_SYMBOL(md_integrity_register);
+
+/* Disable data integrity if non-capable/non-matching disk is being added */
+void md_integrity_add_rdev(mdk_rdev_t *rdev, mddev_t *mddev)
 {
-	struct mdk_personality *pers = mddev->pers;
-	struct gendisk *disk = mddev->gendisk;
 	struct blk_integrity *bi_rdev = bdev_get_integrity(rdev->bdev);
-	struct blk_integrity *bi_mddev = blk_get_integrity(disk);
+	struct blk_integrity *bi_mddev = blk_get_integrity(mddev->gendisk);
 
-	/* Data integrity passthrough not supported on RAID 4, 5 and 6 */
-	if (pers && pers->level >= 4 && pers->level <= 6)
+	if (!bi_mddev) /* nothing to do */
 		return;
-
-	/* If rdev is integrity capable, register profile for mddev */
-	if (!bi_mddev && bi_rdev) {
-		if (blk_integrity_register(disk, bi_rdev))
-			printk(KERN_ERR "%s: %s Could not register integrity!\n",
-			       __func__, disk->disk_name);
-		else
-			printk(KERN_NOTICE "Enabling data integrity on %s\n",
-			       disk->disk_name);
+	if (rdev->raid_disk < 0) /* skip spares */
 		return;
-	}
-
-	/* Check that mddev and rdev have matching profiles */
-	if (blk_integrity_compare(disk, rdev->bdev->bd_disk) < 0) {
-		printk(KERN_ERR "%s: %s/%s integrity mismatch!\n", __func__,
-		       disk->disk_name, rdev->bdev->bd_disk->disk_name);
-		printk(KERN_NOTICE "Disabling data integrity on %s\n",
-		       disk->disk_name);
-		blk_integrity_unregister(disk);
-	}
+	if (bi_rdev && blk_integrity_compare(mddev->gendisk,
+					     rdev->bdev->bd_disk) >= 0)
+		return;
+	printk(KERN_NOTICE "disabling data integrity on %s\n", mdname(mddev));
+	blk_integrity_unregister(mddev->gendisk);
 }
+EXPORT_SYMBOL(md_integrity_add_rdev);
 
 static int bind_rdev_to_array(mdk_rdev_t * rdev, mddev_t * mddev)
 {
@@ -1591,7 +1642,6 @@ static int bind_rdev_to_array(mdk_rdev_t * rdev, mddev_t * mddev)
 	/* May as well allow recovery to be retried once */
 	mddev->recovery_disabled = 0;
 
-	md_integrity_check(rdev, mddev);
 	return 0;
 
  fail:
@@ -1925,17 +1975,14 @@ repeat:
 		/* otherwise we have to go forward and ... */
 		mddev->events ++;
 		if (!mddev->in_sync || mddev->recovery_cp != MaxSector) { /* not clean */
-			/* .. if the array isn't clean, insist on an odd 'events' */
-			if ((mddev->events&1)==0) {
-				mddev->events++;
+			/* .. if the array isn't clean, an 'even' event must also go
+			 * to spares. */
+			if ((mddev->events&1)==0)
 				nospares = 0;
-			}
 		} else {
-			/* otherwise insist on an even 'events' (for clean states) */
-			if ((mddev->events&1)) {
-				mddev->events++;
+			/* otherwise an 'odd' event must go to spares */
+			if ((mddev->events&1))
 				nospares = 0;
-			}
 		}
 	}
 
@@ -2657,6 +2704,7 @@ level_store(mddev_t *mddev, const char *buf, size_t len)
 	ssize_t rv = len;
 	struct mdk_personality *pers;
 	void *priv;
+	mdk_rdev_t *rdev;
 
 	if (mddev->pers == NULL) {
 		if (len == 0)
@@ -2736,6 +2784,12 @@ level_store(mddev_t *mddev, const char *buf, size_t len)
 	mddev_suspend(mddev);
 	mddev->pers->stop(mddev);
 	module_put(mddev->pers->owner);
+	/* Invalidate devices that are now superfluous */
+	list_for_each_entry(rdev, &mddev->disks, same_set)
+		if (rdev->raid_disk >= mddev->raid_disks) {
+			rdev->raid_disk = -1;
+			clear_bit(In_sync, &rdev->flags);
+		}
 	mddev->pers = pers;
 	mddev->private = priv;
 	strlcpy(mddev->clevel, pers->name, sizeof(mddev->clevel));
@@ -3545,6 +3599,7 @@ max_sync_store(mddev_t *mddev, const char *buf, size_t len)
 		if (max < mddev->resync_min)
 			return -EINVAL;
 		if (max < mddev->resync_max &&
+		    mddev->ro == 0 &&
 		    test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))
 			return -EBUSY;
 
@@ -3685,17 +3740,8 @@ array_size_store(mddev_t *mddev, const char *buf, size_t len)
 
 	mddev->array_sectors = sectors;
 	set_capacity(mddev->gendisk, mddev->array_sectors);
-	if (mddev->pers) {
-		struct block_device *bdev = bdget_disk(mddev->gendisk, 0);
-
-		if (bdev) {
-			mutex_lock(&bdev->bd_inode->i_mutex);
-			i_size_write(bdev->bd_inode,
-				     (loff_t)mddev->array_sectors << 9);
-			mutex_unlock(&bdev->bd_inode->i_mutex);
-			bdput(bdev);
-		}
-	}
+	if (mddev->pers)
+		revalidate_disk(mddev->gendisk);
 
 	return len;
 }
@@ -4048,10 +4094,6 @@ static int do_md_run(mddev_t * mddev)
 	}
 	strlcpy(mddev->clevel, pers->name, sizeof(mddev->clevel));
 
-	if (pers->level >= 4 && pers->level <= 6)
-		/* Cannot support integrity (yet) */
-		blk_integrity_unregister(mddev->gendisk);
-
 	if (mddev->reshape_position != MaxSector &&
 	    pers->start_reshape == NULL) {
 		/* This personality cannot handle reshaping... */
@@ -4189,6 +4231,7 @@ static int do_md_run(mddev_t * mddev)
 	md_wakeup_thread(mddev->thread);
 	md_wakeup_thread(mddev->sync_thread); /* possibly kick off a reshape */
 
+	revalidate_disk(mddev->gendisk);
 	mddev->changed = 1;
 	md_new_event(mddev);
 	sysfs_notify_dirent(mddev->sysfs_state);
@@ -4260,12 +4303,11 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 	struct gendisk *disk = mddev->gendisk;
 	mdk_rdev_t *rdev;
 
+	mutex_lock(&mddev->open_mutex);
 	if (atomic_read(&mddev->openers) > is_open) {
 		printk("md: %s still in use.\n",mdname(mddev));
-		return -EBUSY;
-	}
-
-	if (mddev->pers) {
+		err = -EBUSY;
+	} else if (mddev->pers) {
 
 		if (mddev->sync_thread) {
 			set_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
@@ -4322,8 +4364,12 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 		if (mode == 1)
 			set_disk_ro(disk, 1);
 		clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+		err = 0;
 	}
-
+out:
+	mutex_unlock(&mddev->open_mutex);
+	if (err)
+		return err;
 	/*
 	 * Free resources if final stop
 	 */
@@ -4389,7 +4435,6 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 	blk_integrity_unregister(disk);
 	md_new_event(mddev);
 	sysfs_notify_dirent(mddev->sysfs_state);
-out:
 	return err;
 }
 
@@ -5087,18 +5132,8 @@ static int update_size(mddev_t *mddev, sector_t num_sectors)
 			return -ENOSPC;
 	}
 	rv = mddev->pers->resize(mddev, num_sectors);
-	if (!rv) {
-		struct block_device *bdev;
-
-		bdev = bdget_disk(mddev->gendisk, 0);
-		if (bdev) {
-			mutex_lock(&bdev->bd_inode->i_mutex);
-			i_size_write(bdev->bd_inode,
-				     (loff_t)mddev->array_sectors << 9);
-			mutex_unlock(&bdev->bd_inode->i_mutex);
-			bdput(bdev);
-		}
-	}
+	if (!rv)
+		revalidate_disk(mddev->gendisk);
 	return rv;
 }
 
@@ -5484,12 +5519,12 @@ static int md_open(struct block_device *bdev, fmode_t mode)
 	}
 	BUG_ON(mddev != bdev->bd_disk->private_data);
 
-	if ((err = mutex_lock_interruptible_nested(&mddev->reconfig_mutex, 1)))
+	if ((err = mutex_lock_interruptible(&mddev->open_mutex)))
 		goto out;
 
 	err = 0;
 	atomic_inc(&mddev->openers);
-	mddev_unlock(mddev);
+	mutex_unlock(&mddev->open_mutex);
 
 	check_disk_change(bdev);
  out:
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 9430a110db93..f8fc188bc762 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -223,6 +223,16 @@ struct mddev_s
 							    * so we don't loop trying */
 
 	int				in_sync;	/* know to not need resync */
+	/* 'open_mutex' avoids races between 'md_open' and 'do_md_stop', so
+	 * that we are never stopping an array while it is open.
+	 * 'reconfig_mutex' protects all other reconfiguration.
+	 * These locks are separate due to conflicting interactions
+	 * with bdev->bd_mutex.
+	 * Lock ordering is:
+	 *  reconfig_mutex -> bd_mutex : e.g. do_md_run -> revalidate_disk
+	 *  bd_mutex -> open_mutex:  e.g. __blkdev_get -> md_open
+	 */
+	struct mutex			open_mutex;
 	struct mutex			reconfig_mutex;
 	atomic_t			active;		/* general refcount */
 	atomic_t			openers;	/* number of active opens */
@@ -431,5 +441,7 @@ extern int md_allow_write(mddev_t *mddev);
 extern void md_wait_for_blocked_rdev(mdk_rdev_t *rdev, mddev_t *mddev);
 extern void md_set_array_sectors(mddev_t *mddev, sector_t array_sectors);
 extern int md_check_no_bitmap(mddev_t *mddev);
+extern int md_integrity_register(mddev_t *mddev);
+void md_integrity_add_rdev(mdk_rdev_t *rdev, mddev_t *mddev);
 
 #endif /* _MD_MD_H */
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 237fe3fd235c..7140909f6662 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -313,6 +313,7 @@ static int multipath_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
 			set_bit(In_sync, &rdev->flags);
 			rcu_assign_pointer(p->rdev, rdev);
 			err = 0;
+			md_integrity_add_rdev(rdev, mddev);
 			break;
 		}
 
@@ -345,7 +346,9 @@ static int multipath_remove_disk(mddev_t *mddev, int number)
 			/* lost the race, try later */
 			err = -EBUSY;
 			p->rdev = rdev;
+			goto abort;
 		}
+		md_integrity_register(mddev);
 	}
 abort:
 
@@ -519,7 +522,7 @@ static int multipath_run (mddev_t *mddev)
 	mddev->queue->unplug_fn = multipath_unplug;
 	mddev->queue->backing_dev_info.congested_fn = multipath_congested;
 	mddev->queue->backing_dev_info.congested_data = mddev;
-
+	md_integrity_register(mddev);
 	return 0;
 
 out_free_conf:
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 335f490dcad6..898e2bdfee47 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -351,6 +351,7 @@ static int raid0_run(mddev_t *mddev)
 
 	blk_queue_merge_bvec(mddev->queue, raid0_mergeable_bvec);
 	dump_zones(mddev);
+	md_integrity_register(mddev);
 	return 0;
 }
 
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 0569efba0c02..8726fd7ebce5 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1144,7 +1144,7 @@ static int raid1_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
 			rcu_assign_pointer(p->rdev, rdev);
 			break;
 		}
-
+	md_integrity_add_rdev(rdev, mddev);
 	print_conf(conf);
 	return err;
 }
@@ -1178,7 +1178,9 @@ static int raid1_remove_disk(mddev_t *mddev, int number)
 			/* lost the race, try later */
 			err = -EBUSY;
 			p->rdev = rdev;
+			goto abort;
 		}
+		md_integrity_register(mddev);
 	}
 abort:
 
@@ -2067,7 +2069,7 @@ static int run(mddev_t *mddev)
 	mddev->queue->unplug_fn = raid1_unplug;
 	mddev->queue->backing_dev_info.congested_fn = raid1_congested;
 	mddev->queue->backing_dev_info.congested_data = mddev;
-
+	md_integrity_register(mddev);
 	return 0;
 
 out_no_mem:
@@ -2132,6 +2134,7 @@ static int raid1_resize(mddev_t *mddev, sector_t sectors)
 		return -EINVAL;
 	set_capacity(mddev->gendisk, mddev->array_sectors);
 	mddev->changed = 1;
+	revalidate_disk(mddev->gendisk);
 	if (sectors > mddev->dev_sectors &&
 	    mddev->recovery_cp == MaxSector) {
 		mddev->recovery_cp = mddev->dev_sectors;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 7298a5e5a183..3d9020cf6f6e 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1170,6 +1170,7 @@ static int raid10_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
 			break;
 		}
 
+	md_integrity_add_rdev(rdev, mddev);
 	print_conf(conf);
 	return err;
 }
@@ -1203,7 +1204,9 @@ static int raid10_remove_disk(mddev_t *mddev, int number)
 			/* lost the race, try later */
 			err = -EBUSY;
 			p->rdev = rdev;
+			goto abort;
 		}
+		md_integrity_register(mddev);
 	}
 abort:
 
@@ -2225,6 +2228,7 @@ static int run(mddev_t *mddev)
 
 	if (conf->near_copies < mddev->raid_disks)
 		blk_queue_merge_bvec(mddev->queue, raid10_mergeable_bvec);
+	md_integrity_register(mddev);
 	return 0;
 
 out_free_conf:
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 37835538b58e..b8a2c5dc67ba 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3785,7 +3785,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
 		    conf->reshape_progress < raid5_size(mddev, 0, 0)) {
 			sector_nr = raid5_size(mddev, 0, 0)
 				- conf->reshape_progress;
-		} else if (mddev->delta_disks > 0 &&
+		} else if (mddev->delta_disks >= 0 &&
 			   conf->reshape_progress > 0)
 			sector_nr = conf->reshape_progress;
 		sector_div(sector_nr, new_data_disks);
@@ -3999,6 +3999,9 @@ static inline sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *ski
 		return 0;
 	}
 
+	/* Allow raid5_quiesce to complete */
+	wait_event(conf->wait_for_overlap, conf->quiesce != 2);
+
 	if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery))
 		return reshape_request(mddev, sector_nr, skipped);
 
@@ -4316,6 +4319,15 @@ raid5_size(mddev_t *mddev, sector_t sectors, int raid_disks)
 	return sectors * (raid_disks - conf->max_degraded);
 }
 
+static void free_conf(raid5_conf_t *conf)
+{
+	shrink_stripes(conf);
+	safe_put_page(conf->spare_page);
+	kfree(conf->disks);
+	kfree(conf->stripe_hashtbl);
+	kfree(conf);
+}
+
 static raid5_conf_t *setup_conf(mddev_t *mddev)
 {
 	raid5_conf_t *conf;
@@ -4447,11 +4459,7 @@ static raid5_conf_t *setup_conf(mddev_t *mddev)
 
  abort:
 	if (conf) {
-		shrink_stripes(conf);
-		safe_put_page(conf->spare_page);
-		kfree(conf->disks);
-		kfree(conf->stripe_hashtbl);
-		kfree(conf);
+		free_conf(conf);
 		return ERR_PTR(-EIO);
 	} else
 		return ERR_PTR(-ENOMEM);
@@ -4501,7 +4509,26 @@ static int run(mddev_t *mddev)
 			   (old_disks-max_degraded));
 		/* here_old is the first stripe that we might need to read
 		 * from */
-		if (here_new >= here_old) {
+		if (mddev->delta_disks == 0) {
+			/* We cannot be sure it is safe to start an in-place
+			 * reshape.  It is only safe if user-space if monitoring
+			 * and taking constant backups.
+			 * mdadm always starts a situation like this in
+			 * readonly mode so it can take control before
+			 * allowing any writes.  So just check for that.
+			 */
+			if ((here_new * mddev->new_chunk_sectors != 
+			     here_old * mddev->chunk_sectors) ||
+			    mddev->ro == 0) {
+				printk(KERN_ERR "raid5: in-place reshape must be started"
+				       " in read-only mode - aborting\n");
+				return -EINVAL;
+			}
+		} else if (mddev->delta_disks < 0
+		    ? (here_new * mddev->new_chunk_sectors <=
+		       here_old * mddev->chunk_sectors)
+		    : (here_new * mddev->new_chunk_sectors >=
+		       here_old * mddev->chunk_sectors)) {
 			/* Reading from the same stripe as writing to - bad */
 			printk(KERN_ERR "raid5: reshape_position too early for "
 			       "auto-recovery - aborting.\n");
@@ -4629,12 +4656,8 @@ abort:
 	md_unregister_thread(mddev->thread);
 	mddev->thread = NULL;
 	if (conf) {
-		shrink_stripes(conf);
 		print_raid5_conf(conf);
-		safe_put_page(conf->spare_page);
-		kfree(conf->disks);
-		kfree(conf->stripe_hashtbl);
-		kfree(conf);
+		free_conf(conf);
 	}
 	mddev->private = NULL;
 	printk(KERN_ALERT "raid5: failed to run raid set %s\n", mdname(mddev));
@@ -4649,13 +4672,10 @@ static int stop(mddev_t *mddev)
 
 	md_unregister_thread(mddev->thread);
 	mddev->thread = NULL;
-	shrink_stripes(conf);
-	kfree(conf->stripe_hashtbl);
 	mddev->queue->backing_dev_info.congested_fn = NULL;
 	blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/
 	sysfs_remove_group(&mddev->kobj, &raid5_attrs_group);
-	kfree(conf->disks);
-	kfree(conf);
+	free_conf(conf);
 	mddev->private = NULL;
 	return 0;
 }
@@ -4857,6 +4877,7 @@ static int raid5_resize(mddev_t *mddev, sector_t sectors)
 		return -EINVAL;
 	set_capacity(mddev->gendisk, mddev->array_sectors);
 	mddev->changed = 1;
+	revalidate_disk(mddev->gendisk);
 	if (sectors > mddev->dev_sectors && mddev->recovery_cp == MaxSector) {
 		mddev->recovery_cp = mddev->dev_sectors;
 		set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
@@ -5002,7 +5023,7 @@ static int raid5_start_reshape(mddev_t *mddev)
 		spin_unlock_irqrestore(&conf->device_lock, flags);
 	}
 	mddev->raid_disks = conf->raid_disks;
-	mddev->reshape_position = 0;
+	mddev->reshape_position = conf->reshape_progress;
 	set_bit(MD_CHANGE_DEVS, &mddev->flags);
 
 	clear_bit(MD_RECOVERY_SYNC, &mddev->recovery);
@@ -5057,7 +5078,6 @@ static void end_reshape(raid5_conf_t *conf)
  */
 static void raid5_finish_reshape(mddev_t *mddev)
 {
-	struct block_device *bdev;
 	raid5_conf_t *conf = mddev->private;
 
 	if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery)) {
@@ -5066,15 +5086,7 @@ static void raid5_finish_reshape(mddev_t *mddev)
 			md_set_array_sectors(mddev, raid5_size(mddev, 0, 0));
 			set_capacity(mddev->gendisk, mddev->array_sectors);
 			mddev->changed = 1;
-
-			bdev = bdget_disk(mddev->gendisk, 0);
-			if (bdev) {
-				mutex_lock(&bdev->bd_inode->i_mutex);
-				i_size_write(bdev->bd_inode,
-					     (loff_t)mddev->array_sectors << 9);
-				mutex_unlock(&bdev->bd_inode->i_mutex);
-				bdput(bdev);
-			}
+			revalidate_disk(mddev->gendisk);
 		} else {
 			int d;
 			mddev->degraded = conf->raid_disks;
@@ -5085,8 +5097,15 @@ static void raid5_finish_reshape(mddev_t *mddev)
 					mddev->degraded--;
 			for (d = conf->raid_disks ;
 			     d < conf->raid_disks - mddev->delta_disks;
-			     d++)
-				raid5_remove_disk(mddev, d);
+			     d++) {
+				mdk_rdev_t *rdev = conf->disks[d].rdev;
+				if (rdev && raid5_remove_disk(mddev, d) == 0) {
+					char nm[20];
+					sprintf(nm, "rd%d", rdev->raid_disk);
+					sysfs_remove_link(&mddev->kobj, nm);
+					rdev->raid_disk = -1;
+				}
+			}
 		}
 		mddev->layout = conf->algorithm;
 		mddev->chunk_sectors = conf->chunk_sectors;
@@ -5106,12 +5125,18 @@ static void raid5_quiesce(mddev_t *mddev, int state)
 
 	case 1: /* stop all writes */
 		spin_lock_irq(&conf->device_lock);
-		conf->quiesce = 1;
+		/* '2' tells resync/reshape to pause so that all
+		 * active stripes can drain
+		 */
+		conf->quiesce = 2;
 		wait_event_lock_irq(conf->wait_for_stripe,
 				    atomic_read(&conf->active_stripes) == 0 &&
 				    atomic_read(&conf->active_aligned_reads) == 0,
 				    conf->device_lock, /* nothing */);
+		conf->quiesce = 1;
 		spin_unlock_irq(&conf->device_lock);
+		/* allow reshape to continue */
+		wake_up(&conf->wait_for_overlap);
 		break;
 
 	case 0: /* re-enable writes */
diff --git a/drivers/media/common/tuners/qt1010.c b/drivers/media/common/tuners/qt1010.c
index 825aa1412e6f..9f5dba244cb8 100644
--- a/drivers/media/common/tuners/qt1010.c
+++ b/drivers/media/common/tuners/qt1010.c
@@ -64,24 +64,22 @@ static int qt1010_writereg(struct qt1010_priv *priv, u8 reg, u8 val)
 /* dump all registers */
 static void qt1010_dump_regs(struct qt1010_priv *priv)
 {
-	char buf[52], buf2[4];
 	u8 reg, val;
 
 	for (reg = 0; ; reg++) {
 		if (reg % 16 == 0) {
 			if (reg)
-				printk("%s\n", buf);
-			sprintf(buf, "%02x: ", reg);
+				printk(KERN_CONT "\n");
+			printk(KERN_DEBUG "%02x:", reg);
 		}
 		if (qt1010_readreg(priv, reg, &val) == 0)
-			sprintf(buf2, "%02x ", val);
+			printk(KERN_CONT " %02x", val);
 		else
-			strcpy(buf2, "-- ");
-		strcat(buf, buf2);
+			printk(KERN_CONT " --");
 		if (reg == 0x2f)
 			break;
 	}
-	printk("%s\n", buf);
+	printk(KERN_CONT "\n");
 }
 
 static int qt1010_set_params(struct dvb_frontend *fe,
diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c
index aa20ce8cc668..f270e605da83 100644
--- a/drivers/media/common/tuners/tuner-xc2028.c
+++ b/drivers/media/common/tuners/tuner-xc2028.c
@@ -1119,8 +1119,8 @@ static int xc2028_sleep(struct dvb_frontend *fe)
 	struct xc2028_data *priv = fe->tuner_priv;
 	int rc = 0;
 
-	/* Avoid firmware reload on slow devices */
-	if (no_poweroff)
+	/* Avoid firmware reload on slow devices or if PM disabled */
+	if (no_poweroff || priv->ctrl.disable_power_mgmt)
 		return 0;
 
 	tuner_dbg("Putting xc2028/3028 into poweroff mode.\n");
diff --git a/drivers/media/common/tuners/tuner-xc2028.h b/drivers/media/common/tuners/tuner-xc2028.h
index 19de7928a74e..a90c35d50add 100644
--- a/drivers/media/common/tuners/tuner-xc2028.h
+++ b/drivers/media/common/tuners/tuner-xc2028.h
@@ -38,6 +38,7 @@ struct xc2028_ctrl {
 	unsigned int		input1:1;
 	unsigned int		vhfbw7:1;
 	unsigned int		uhfbw8:1;
+	unsigned int		disable_power_mgmt:1;
 	unsigned int		demod;
 	enum firmware_type	type:2;
 };
diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c
index 4cb31e7c13c2..26690dfb3260 100644
--- a/drivers/media/dvb/dvb-usb/af9015.c
+++ b/drivers/media/dvb/dvb-usb/af9015.c
@@ -81,7 +81,6 @@ static int af9015_rw_udev(struct usb_device *udev, struct req_t *req)
 
 	switch (req->cmd) {
 	case GET_CONFIG:
-	case BOOT:
 	case READ_MEMORY:
 	case RECONNECT_USB:
 	case GET_IR_CODE:
@@ -100,6 +99,7 @@ static int af9015_rw_udev(struct usb_device *udev, struct req_t *req)
 	case WRITE_VIRTUAL_MEMORY:
 	case COPY_FIRMWARE:
 	case DOWNLOAD_FIRMWARE:
+	case BOOT:
 		break;
 	default:
 		err("unknown command:%d", req->cmd);
diff --git a/drivers/media/dvb/frontends/cx22700.c b/drivers/media/dvb/frontends/cx22700.c
index ace5cb17165d..fbd838eca268 100644
--- a/drivers/media/dvb/frontends/cx22700.c
+++ b/drivers/media/dvb/frontends/cx22700.c
@@ -380,7 +380,7 @@ struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
 	struct cx22700_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct cx22700_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct cx22700_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/cx22702.c b/drivers/media/dvb/frontends/cx22702.c
index 5d1abe34bddb..00b5c7e91d5d 100644
--- a/drivers/media/dvb/frontends/cx22702.c
+++ b/drivers/media/dvb/frontends/cx22702.c
@@ -580,7 +580,7 @@ struct dvb_frontend *cx22702_attach(const struct cx22702_config *config,
 	struct cx22702_state *state = NULL;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct cx22702_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct cx22702_state), GFP_KERNEL);
 	if (state == NULL)
 		goto error;
 
diff --git a/drivers/media/dvb/frontends/cx24110.c b/drivers/media/dvb/frontends/cx24110.c
index 87ae29db024f..ffbcfabd83f0 100644
--- a/drivers/media/dvb/frontends/cx24110.c
+++ b/drivers/media/dvb/frontends/cx24110.c
@@ -598,7 +598,7 @@ struct dvb_frontend* cx24110_attach(const struct cx24110_config* config,
 	int ret;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct cx24110_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct cx24110_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/dvb_dummy_fe.c b/drivers/media/dvb/frontends/dvb_dummy_fe.c
index db8a937cc630..a7fc7e53a551 100644
--- a/drivers/media/dvb/frontends/dvb_dummy_fe.c
+++ b/drivers/media/dvb/frontends/dvb_dummy_fe.c
@@ -117,7 +117,7 @@ struct dvb_frontend* dvb_dummy_fe_ofdm_attach(void)
 	struct dvb_dummy_fe_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* create dvb_frontend */
@@ -137,7 +137,7 @@ struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void)
 	struct dvb_dummy_fe_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* create dvb_frontend */
@@ -157,7 +157,7 @@ struct dvb_frontend *dvb_dummy_fe_qam_attach(void)
 	struct dvb_dummy_fe_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* create dvb_frontend */
diff --git a/drivers/media/dvb/frontends/l64781.c b/drivers/media/dvb/frontends/l64781.c
index e1e70e9e0cb9..3051b64aa17c 100644
--- a/drivers/media/dvb/frontends/l64781.c
+++ b/drivers/media/dvb/frontends/l64781.c
@@ -501,7 +501,7 @@ struct dvb_frontend* l64781_attach(const struct l64781_config* config,
 			   { .addr = config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } };
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct l64781_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct l64781_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/lgs8gl5.c b/drivers/media/dvb/frontends/lgs8gl5.c
index 855852fddf22..bb37ed289a05 100644
--- a/drivers/media/dvb/frontends/lgs8gl5.c
+++ b/drivers/media/dvb/frontends/lgs8gl5.c
@@ -387,7 +387,7 @@ lgs8gl5_attach(const struct lgs8gl5_config *config, struct i2c_adapter *i2c)
 	dprintk("%s\n", __func__);
 
 	/* Allocate memory for the internal state */
-	state = kmalloc(sizeof(struct lgs8gl5_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct lgs8gl5_state), GFP_KERNEL);
 	if (state == NULL)
 		goto error;
 
diff --git a/drivers/media/dvb/frontends/mt312.c b/drivers/media/dvb/frontends/mt312.c
index a621f727935f..f69daaac78c9 100644
--- a/drivers/media/dvb/frontends/mt312.c
+++ b/drivers/media/dvb/frontends/mt312.c
@@ -782,7 +782,7 @@ struct dvb_frontend *mt312_attach(const struct mt312_config *config,
 	struct mt312_state *state = NULL;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct mt312_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct mt312_state), GFP_KERNEL);
 	if (state == NULL)
 		goto error;
 
diff --git a/drivers/media/dvb/frontends/nxt6000.c b/drivers/media/dvb/frontends/nxt6000.c
index 0eef22dbf8a0..a763ec756f7f 100644
--- a/drivers/media/dvb/frontends/nxt6000.c
+++ b/drivers/media/dvb/frontends/nxt6000.c
@@ -545,7 +545,7 @@ struct dvb_frontend* nxt6000_attach(const struct nxt6000_config* config,
 	struct nxt6000_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct nxt6000_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct nxt6000_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/or51132.c b/drivers/media/dvb/frontends/or51132.c
index 8133ea3cddd7..38e67accb8c3 100644
--- a/drivers/media/dvb/frontends/or51132.c
+++ b/drivers/media/dvb/frontends/or51132.c
@@ -562,7 +562,7 @@ struct dvb_frontend* or51132_attach(const struct or51132_config* config,
 	struct or51132_state* state = NULL;
 
 	/* Allocate memory for the internal state */
-	state = kmalloc(sizeof(struct or51132_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct or51132_state), GFP_KERNEL);
 	if (state == NULL)
 		return NULL;
 
diff --git a/drivers/media/dvb/frontends/or51211.c b/drivers/media/dvb/frontends/or51211.c
index 16cf2fdd5d7d..c709ce6771c8 100644
--- a/drivers/media/dvb/frontends/or51211.c
+++ b/drivers/media/dvb/frontends/or51211.c
@@ -527,7 +527,7 @@ struct dvb_frontend* or51211_attach(const struct or51211_config* config,
 	struct or51211_state* state = NULL;
 
 	/* Allocate memory for the internal state */
-	state = kmalloc(sizeof(struct or51211_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct or51211_state), GFP_KERNEL);
 	if (state == NULL)
 		return NULL;
 
diff --git a/drivers/media/dvb/frontends/s5h1409.c b/drivers/media/dvb/frontends/s5h1409.c
index 3e08d985d6e5..fb3011518427 100644
--- a/drivers/media/dvb/frontends/s5h1409.c
+++ b/drivers/media/dvb/frontends/s5h1409.c
@@ -796,7 +796,7 @@ struct dvb_frontend *s5h1409_attach(const struct s5h1409_config *config,
 	u16 reg;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct s5h1409_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct s5h1409_state), GFP_KERNEL);
 	if (state == NULL)
 		goto error;
 
diff --git a/drivers/media/dvb/frontends/s5h1411.c b/drivers/media/dvb/frontends/s5h1411.c
index 66e2dd6d6fe4..d8adf1e32019 100644
--- a/drivers/media/dvb/frontends/s5h1411.c
+++ b/drivers/media/dvb/frontends/s5h1411.c
@@ -844,7 +844,7 @@ struct dvb_frontend *s5h1411_attach(const struct s5h1411_config *config,
 	u16 reg;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct s5h1411_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct s5h1411_state), GFP_KERNEL);
 	if (state == NULL)
 		goto error;
 
diff --git a/drivers/media/dvb/frontends/si21xx.c b/drivers/media/dvb/frontends/si21xx.c
index 0bd16af8a6cd..9552a22ccffb 100644
--- a/drivers/media/dvb/frontends/si21xx.c
+++ b/drivers/media/dvb/frontends/si21xx.c
@@ -928,7 +928,7 @@ struct dvb_frontend *si21xx_attach(const struct si21xx_config *config,
 	dprintk("%s\n", __func__);
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct si21xx_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct si21xx_state), GFP_KERNEL);
 	if (state == NULL)
 		goto error;
 
diff --git a/drivers/media/dvb/frontends/sp8870.c b/drivers/media/dvb/frontends/sp8870.c
index 1c9a9b4051b9..b85eb60a893e 100644
--- a/drivers/media/dvb/frontends/sp8870.c
+++ b/drivers/media/dvb/frontends/sp8870.c
@@ -557,7 +557,7 @@ struct dvb_frontend* sp8870_attach(const struct sp8870_config* config,
 	struct sp8870_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct sp8870_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct sp8870_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/sp887x.c b/drivers/media/dvb/frontends/sp887x.c
index 559509ab4dab..4a7c3d842608 100644
--- a/drivers/media/dvb/frontends/sp887x.c
+++ b/drivers/media/dvb/frontends/sp887x.c
@@ -557,7 +557,7 @@ struct dvb_frontend* sp887x_attach(const struct sp887x_config* config,
 	struct sp887x_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct sp887x_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct sp887x_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/stv0288.c b/drivers/media/dvb/frontends/stv0288.c
index ff1194de34c0..2930a5d6768a 100644
--- a/drivers/media/dvb/frontends/stv0288.c
+++ b/drivers/media/dvb/frontends/stv0288.c
@@ -570,7 +570,7 @@ struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
 	int id;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct stv0288_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct stv0288_state), GFP_KERNEL);
 	if (state == NULL)
 		goto error;
 
diff --git a/drivers/media/dvb/frontends/stv0297.c b/drivers/media/dvb/frontends/stv0297.c
index 62caf802ed99..4fd7479bb62b 100644
--- a/drivers/media/dvb/frontends/stv0297.c
+++ b/drivers/media/dvb/frontends/stv0297.c
@@ -663,7 +663,7 @@ struct dvb_frontend *stv0297_attach(const struct stv0297_config *config,
 	struct stv0297_state *state = NULL;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct stv0297_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct stv0297_state), GFP_KERNEL);
 	if (state == NULL)
 		goto error;
 
diff --git a/drivers/media/dvb/frontends/stv0299.c b/drivers/media/dvb/frontends/stv0299.c
index 6c1cb1973c6e..968874469726 100644
--- a/drivers/media/dvb/frontends/stv0299.c
+++ b/drivers/media/dvb/frontends/stv0299.c
@@ -667,7 +667,7 @@ struct dvb_frontend* stv0299_attach(const struct stv0299_config* config,
 	int id;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct stv0299_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct stv0299_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/tda10021.c b/drivers/media/dvb/frontends/tda10021.c
index f648fdb64bb7..f5d7b3277a2f 100644
--- a/drivers/media/dvb/frontends/tda10021.c
+++ b/drivers/media/dvb/frontends/tda10021.c
@@ -413,7 +413,7 @@ struct dvb_frontend* tda10021_attach(const struct tda1002x_config* config,
 	u8 id;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct tda10021_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct tda10021_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/tda10048.c b/drivers/media/dvb/frontends/tda10048.c
index cc8862ce4aae..4e2a7c8b2f62 100644
--- a/drivers/media/dvb/frontends/tda10048.c
+++ b/drivers/media/dvb/frontends/tda10048.c
@@ -1095,7 +1095,7 @@ struct dvb_frontend *tda10048_attach(const struct tda10048_config *config,
 	dprintk(1, "%s()\n", __func__);
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct tda10048_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct tda10048_state), GFP_KERNEL);
 	if (state == NULL)
 		goto error;
 
diff --git a/drivers/media/dvb/frontends/tda1004x.c b/drivers/media/dvb/frontends/tda1004x.c
index 4981cef8b444..f2a8abe0a243 100644
--- a/drivers/media/dvb/frontends/tda1004x.c
+++ b/drivers/media/dvb/frontends/tda1004x.c
@@ -1269,7 +1269,7 @@ struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
 	int id;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
 	if (!state) {
 		printk(KERN_ERR "Can't alocate memory for tda10045 state\n");
 		return NULL;
@@ -1339,7 +1339,7 @@ struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
 	int id;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
 	if (!state) {
 		printk(KERN_ERR "Can't alocate memory for tda10046 state\n");
 		return NULL;
diff --git a/drivers/media/dvb/frontends/tda10086.c b/drivers/media/dvb/frontends/tda10086.c
index a17ce3c4ad86..f2c8faac6f36 100644
--- a/drivers/media/dvb/frontends/tda10086.c
+++ b/drivers/media/dvb/frontends/tda10086.c
@@ -745,7 +745,7 @@ struct dvb_frontend* tda10086_attach(const struct tda10086_config* config,
 	dprintk ("%s\n", __func__);
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct tda10086_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct tda10086_state), GFP_KERNEL);
 	if (!state)
 		return NULL;
 
diff --git a/drivers/media/dvb/frontends/tda8083.c b/drivers/media/dvb/frontends/tda8083.c
index 5b843b2e67e8..9369f7442f27 100644
--- a/drivers/media/dvb/frontends/tda8083.c
+++ b/drivers/media/dvb/frontends/tda8083.c
@@ -417,7 +417,7 @@ struct dvb_frontend* tda8083_attach(const struct tda8083_config* config,
 	struct tda8083_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct tda8083_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct tda8083_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/ves1820.c b/drivers/media/dvb/frontends/ves1820.c
index a184597f1d9b..6e78e4865515 100644
--- a/drivers/media/dvb/frontends/ves1820.c
+++ b/drivers/media/dvb/frontends/ves1820.c
@@ -374,7 +374,7 @@ struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
 	struct ves1820_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct ves1820_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct ves1820_state), GFP_KERNEL);
 	if (state == NULL)
 		goto error;
 
diff --git a/drivers/media/dvb/frontends/ves1x93.c b/drivers/media/dvb/frontends/ves1x93.c
index bd558960bd87..8d7854c2fb0c 100644
--- a/drivers/media/dvb/frontends/ves1x93.c
+++ b/drivers/media/dvb/frontends/ves1x93.c
@@ -456,7 +456,7 @@ struct dvb_frontend* ves1x93_attach(const struct ves1x93_config* config,
 	u8 identity;
 
 	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct ves1x93_state), GFP_KERNEL);
+	state = kzalloc(sizeof(struct ves1x93_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/zl10353.c b/drivers/media/dvb/frontends/zl10353.c
index 148b6f7f6cb2..66f5c1fb3074 100644
--- a/drivers/media/dvb/frontends/zl10353.c
+++ b/drivers/media/dvb/frontends/zl10353.c
@@ -98,7 +98,6 @@ static int zl10353_read_register(struct zl10353_state *state, u8 reg)
 static void zl10353_dump_regs(struct dvb_frontend *fe)
 {
 	struct zl10353_state *state = fe->demodulator_priv;
-	char buf[52], buf2[4];
 	int ret;
 	u8 reg;
 
@@ -106,19 +105,18 @@ static void zl10353_dump_regs(struct dvb_frontend *fe)
 	for (reg = 0; ; reg++) {
 		if (reg % 16 == 0) {
 			if (reg)
-				printk(KERN_DEBUG "%s\n", buf);
-			sprintf(buf, "%02x: ", reg);
+				printk(KERN_CONT "\n");
+			printk(KERN_DEBUG "%02x:", reg);
 		}
 		ret = zl10353_read_register(state, reg);
 		if (ret >= 0)
-			sprintf(buf2, "%02x ", (u8)ret);
+			printk(KERN_CONT " %02x", (u8)ret);
 		else
-			strcpy(buf2, "-- ");
-		strcat(buf, buf2);
+			printk(KERN_CONT " --");
 		if (reg == 0xff)
 			break;
 	}
-	printk(KERN_DEBUG "%s\n", buf);
+	printk(KERN_CONT "\n");
 }
 
 static void zl10353_calc_nominal_rate(struct dvb_frontend *fe,
diff --git a/drivers/media/dvb/siano/Kconfig b/drivers/media/dvb/siano/Kconfig
index dd863f261672..8c1aed77ea30 100644
--- a/drivers/media/dvb/siano/Kconfig
+++ b/drivers/media/dvb/siano/Kconfig
@@ -2,25 +2,33 @@
 # Siano Mobile Silicon Digital TV device configuration
 #
 
-config DVB_SIANO_SMS1XXX
-	tristate "Siano SMS1XXX USB dongle support"
-	depends on DVB_CORE && USB
+config SMS_SIANO_MDTV
+	tristate "Siano SMS1xxx based MDTV receiver"
+	depends on DVB_CORE && INPUT
 	---help---
-	  Choose Y here if you have a USB dongle with a SMS1XXX chipset.
+	  Choose Y or M here if you have MDTV receiver with a Siano chipset.
 
-	  To compile this driver as a module, choose M here: the
-	  module will be called sms1xxx.
+	  To compile this driver as a module, choose M here
+	  (The module will be called smsmdtv).
 
-config DVB_SIANO_SMS1XXX_SMS_IDS
-	bool "Enable support for Siano Mobile Silicon default USB IDs"
-	depends on DVB_SIANO_SMS1XXX
-	default y
-	---help---
-	  Choose Y here if you have a USB dongle with a SMS1XXX chipset
-	  that uses Siano Mobile Silicon's default usb vid:pid.
+	  Further documentation on this driver can be found on the WWW
+	  at http://www.siano-ms.com/
+
+if SMS_SIANO_MDTV
+menu "Siano module components"
 
-	  Choose N here if you would prefer to use Siano's external driver.
+# Hardware interfaces support
 
-	  Further documentation on this driver can be found on the WWW at
-	  <http://www.siano-ms.com/>.
+config SMS_USB_DRV
+	tristate "USB interface support"
+	depends on DVB_CORE && USB
+	---help---
+	  Choose if you would like to have Siano's support for USB interface
 
+config SMS_SDIO_DRV
+	tristate "SDIO interface support"
+	depends on DVB_CORE && MMC
+	---help---
+	  Choose if you would like to have Siano's support for SDIO interface
+endmenu
+endif # SMS_SIANO_MDTV
diff --git a/drivers/media/dvb/siano/Makefile b/drivers/media/dvb/siano/Makefile
index c6644d909433..c54140b5ab5a 100644
--- a/drivers/media/dvb/siano/Makefile
+++ b/drivers/media/dvb/siano/Makefile
@@ -1,8 +1,9 @@
-sms1xxx-objs := smscoreapi.o sms-cards.o smsendian.o smsir.o
 
-obj-$(CONFIG_DVB_SIANO_SMS1XXX) += sms1xxx.o
-obj-$(CONFIG_DVB_SIANO_SMS1XXX) += smsusb.o
-obj-$(CONFIG_DVB_SIANO_SMS1XXX) += smsdvb.o
+smsmdtv-objs := smscoreapi.o sms-cards.o smsendian.o smsir.o
+
+obj-$(CONFIG_SMS_SIANO_MDTV) += smsmdtv.o smsdvb.o
+obj-$(CONFIG_SMS_USB_DRV) += smsusb.o
+obj-$(CONFIG_SMS_SDIO_DRV) += smssdio.o
 
 EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
 
diff --git a/drivers/media/dvb/siano/sms-cards.c b/drivers/media/dvb/siano/sms-cards.c
index d8b15d583bde..0420e2885e75 100644
--- a/drivers/media/dvb/siano/sms-cards.c
+++ b/drivers/media/dvb/siano/sms-cards.c
@@ -116,99 +116,21 @@ static inline void sms_gpio_assign_11xx_default_led_config(
 
 int sms_board_event(struct smscore_device_t *coredev,
 		enum SMS_BOARD_EVENTS gevent) {
-	int board_id = smscore_get_board_id(coredev);
-	struct sms_board *board = sms_get_board(board_id);
 	struct smscore_gpio_config MyGpioConfig;
 
 	sms_gpio_assign_11xx_default_led_config(&MyGpioConfig);
 
 	switch (gevent) {
 	case BOARD_EVENT_POWER_INIT: /* including hotplug */
-		switch (board_id) {
-		case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
-			/* set I/O and turn off all LEDs */
-			smscore_gpio_configure(coredev,
-					board->board_cfg.leds_power,
-					&MyGpioConfig);
-			smscore_gpio_set_level(coredev,
-					board->board_cfg.leds_power, 0);
-			smscore_gpio_configure(coredev, board->board_cfg.led0,
-					&MyGpioConfig);
-			smscore_gpio_set_level(coredev,
-					board->board_cfg.led0, 0);
-			smscore_gpio_configure(coredev, board->board_cfg.led1,
-					&MyGpioConfig);
-			smscore_gpio_set_level(coredev,
-					board->board_cfg.led1, 0);
-			break;
-		case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2:
-		case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD:
-			/* set I/O and turn off LNA */
-			smscore_gpio_configure(coredev,
-					board->board_cfg.foreign_lna0_ctrl,
-					&MyGpioConfig);
-			smscore_gpio_set_level(coredev,
-					board->board_cfg.foreign_lna0_ctrl,
-					0);
-			break;
-		}
 		break; /* BOARD_EVENT_BIND */
 
 	case BOARD_EVENT_POWER_SUSPEND:
-		switch (board_id) {
-		case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
-			smscore_gpio_set_level(coredev,
-						board->board_cfg.leds_power, 0);
-			smscore_gpio_set_level(coredev,
-						board->board_cfg.led0, 0);
-			smscore_gpio_set_level(coredev,
-						board->board_cfg.led1, 0);
-			break;
-		case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2:
-		case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD:
-			smscore_gpio_set_level(coredev,
-					board->board_cfg.foreign_lna0_ctrl,
-					0);
-			break;
-		}
 		break; /* BOARD_EVENT_POWER_SUSPEND */
 
 	case BOARD_EVENT_POWER_RESUME:
-		switch (board_id) {
-		case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
-			smscore_gpio_set_level(coredev,
-						board->board_cfg.leds_power, 1);
-			smscore_gpio_set_level(coredev,
-						board->board_cfg.led0, 1);
-			smscore_gpio_set_level(coredev,
-						board->board_cfg.led1, 0);
-			break;
-		case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2:
-		case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD:
-			smscore_gpio_set_level(coredev,
-					board->board_cfg.foreign_lna0_ctrl,
-					1);
-			break;
-		}
 		break; /* BOARD_EVENT_POWER_RESUME */
 
 	case BOARD_EVENT_BIND:
-		switch (board_id) {
-		case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
-			smscore_gpio_set_level(coredev,
-				board->board_cfg.leds_power, 1);
-			smscore_gpio_set_level(coredev,
-				board->board_cfg.led0, 1);
-			smscore_gpio_set_level(coredev,
-				board->board_cfg.led1, 0);
-			break;
-		case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2:
-		case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD:
-			smscore_gpio_set_level(coredev,
-					board->board_cfg.foreign_lna0_ctrl,
-					1);
-			break;
-		}
 		break; /* BOARD_EVENT_BIND */
 
 	case BOARD_EVENT_SCAN_PROG:
@@ -218,20 +140,8 @@ int sms_board_event(struct smscore_device_t *coredev,
 	case BOARD_EVENT_EMERGENCY_WARNING_SIGNAL:
 		break; /* BOARD_EVENT_EMERGENCY_WARNING_SIGNAL */
 	case BOARD_EVENT_FE_LOCK:
-		switch (board_id) {
-		case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
-			smscore_gpio_set_level(coredev,
-			board->board_cfg.led1, 1);
-			break;
-		}
 		break; /* BOARD_EVENT_FE_LOCK */
 	case BOARD_EVENT_FE_UNLOCK:
-		switch (board_id) {
-		case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
-			smscore_gpio_set_level(coredev,
-						board->board_cfg.led1, 0);
-			break;
-		}
 		break; /* BOARD_EVENT_FE_UNLOCK */
 	case BOARD_EVENT_DEMOD_LOCK:
 		break; /* BOARD_EVENT_DEMOD_LOCK */
@@ -248,20 +158,8 @@ int sms_board_event(struct smscore_device_t *coredev,
 	case BOARD_EVENT_RECEPTION_LOST_0:
 		break; /* BOARD_EVENT_RECEPTION_LOST_0 */
 	case BOARD_EVENT_MULTIPLEX_OK:
-		switch (board_id) {
-		case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
-			smscore_gpio_set_level(coredev,
-						board->board_cfg.led1, 1);
-			break;
-		}
 		break; /* BOARD_EVENT_MULTIPLEX_OK */
 	case BOARD_EVENT_MULTIPLEX_ERRORS:
-		switch (board_id) {
-		case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
-			smscore_gpio_set_level(coredev,
-						board->board_cfg.led1, 0);
-			break;
-		}
 		break; /* BOARD_EVENT_MULTIPLEX_ERRORS */
 
 	default:
diff --git a/drivers/media/dvb/siano/smscoreapi.c b/drivers/media/dvb/siano/smscoreapi.c
index a246903c3341..bd9ab9d0d12a 100644
--- a/drivers/media/dvb/siano/smscoreapi.c
+++ b/drivers/media/dvb/siano/smscoreapi.c
@@ -816,7 +816,7 @@ int smscore_set_device_mode(struct smscore_device_t *coredev, int mode)
 
 	sms_debug("set device mode to %d", mode);
 	if (coredev->device_flags & SMS_DEVICE_FAMILY2) {
-		if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_RAW_TUNER) {
+		if (mode < DEVICE_MODE_DVBT || mode >= DEVICE_MODE_RAW_TUNER) {
 			sms_err("invalid mode specified %d", mode);
 			return -EINVAL;
 		}
diff --git a/drivers/media/dvb/siano/smsdvb.c b/drivers/media/dvb/siano/smsdvb.c
index 3ee1c3902c56..266033ae2784 100644
--- a/drivers/media/dvb/siano/smsdvb.c
+++ b/drivers/media/dvb/siano/smsdvb.c
@@ -325,6 +325,16 @@ static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client,
 						0 : -ETIME;
 }
 
+static inline int led_feedback(struct smsdvb_client_t *client)
+{
+	if (client->fe_status & FE_HAS_LOCK)
+		return sms_board_led_feedback(client->coredev,
+			(client->sms_stat_dvb.ReceptionData.BER
+			== 0) ? SMS_LED_HI : SMS_LED_LO);
+	else
+		return sms_board_led_feedback(client->coredev, SMS_LED_OFF);
+}
+
 static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
 {
 	struct smsdvb_client_t *client;
@@ -332,6 +342,8 @@ static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
 
 	*stat = client->fe_status;
 
+	led_feedback(client);
+
 	return 0;
 }
 
@@ -342,6 +354,8 @@ static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber)
 
 	*ber = client->sms_stat_dvb.ReceptionData.BER;
 
+	led_feedback(client);
+
 	return 0;
 }
 
@@ -359,6 +373,8 @@ static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
 				(client->sms_stat_dvb.ReceptionData.InBandPwr
 				+ 95) * 3 / 2;
 
+	led_feedback(client);
+
 	return 0;
 }
 
@@ -369,6 +385,8 @@ static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
 
 	*snr = client->sms_stat_dvb.ReceptionData.SNR;
 
+	led_feedback(client);
+
 	return 0;
 }
 
@@ -379,6 +397,8 @@ static int smsdvb_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 
 	*ucblocks = client->sms_stat_dvb.ReceptionData.ErrorTSPackets;
 
+	led_feedback(client);
+
 	return 0;
 }
 
@@ -404,6 +424,8 @@ static int smsdvb_set_frontend(struct dvb_frontend *fe,
 		u32		Data[3];
 	} Msg;
 
+	int ret;
+
 	client->fe_status = FE_HAS_SIGNAL;
 	client->event_fe_state = -1;
 	client->event_unc_state = -1;
@@ -426,6 +448,23 @@ static int smsdvb_set_frontend(struct dvb_frontend *fe,
 	case BANDWIDTH_AUTO: return -EOPNOTSUPP;
 	default: return -EINVAL;
 	}
+	/* Disable LNA, if any. An error is returned if no LNA is present */
+	ret = sms_board_lna_control(client->coredev, 0);
+	if (ret == 0) {
+		fe_status_t status;
+
+		/* tune with LNA off at first */
+		ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
+						  &client->tune_done);
+
+		smsdvb_read_status(fe, &status);
+
+		if (status & FE_HAS_LOCK)
+			return ret;
+
+		/* previous tune didnt lock - enable LNA and tune again */
+		sms_board_lna_control(client->coredev, 1);
+	}
 
 	return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
 					   &client->tune_done);
@@ -451,6 +490,8 @@ static int smsdvb_init(struct dvb_frontend *fe)
 	struct smsdvb_client_t *client =
 		container_of(fe, struct smsdvb_client_t, frontend);
 
+	sms_board_power(client->coredev, 1);
+
 	sms_board_dvb3_event(client, DVB3_EVENT_INIT);
 	return 0;
 }
@@ -460,6 +501,9 @@ static int smsdvb_sleep(struct dvb_frontend *fe)
 	struct smsdvb_client_t *client =
 		container_of(fe, struct smsdvb_client_t, frontend);
 
+	sms_board_led_feedback(client->coredev, SMS_LED_OFF);
+	sms_board_power(client->coredev, 0);
+
 	sms_board_dvb3_event(client, DVB3_EVENT_SLEEP);
 
 	return 0;
diff --git a/drivers/media/dvb/siano/smssdio.c b/drivers/media/dvb/siano/smssdio.c
index dfaa49a53f32..d1d652e7f890 100644
--- a/drivers/media/dvb/siano/smssdio.c
+++ b/drivers/media/dvb/siano/smssdio.c
@@ -46,6 +46,7 @@
 
 #define SMSSDIO_DATA		0x00
 #define SMSSDIO_INT		0x04
+#define SMSSDIO_BLOCK_SIZE	128
 
 static const struct sdio_device_id smssdio_ids[] = {
 	{SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, SDIO_DEVICE_ID_SIANO_STELLAR),
@@ -85,7 +86,8 @@ static int smssdio_sendrequest(void *context, void *buffer, size_t size)
 	sdio_claim_host(smsdev->func);
 
 	while (size >= smsdev->func->cur_blksize) {
-		ret = sdio_write_blocks(smsdev->func, SMSSDIO_DATA, buffer, 1);
+		ret = sdio_memcpy_toio(smsdev->func, SMSSDIO_DATA,
+					buffer, smsdev->func->cur_blksize);
 		if (ret)
 			goto out;
 
@@ -94,8 +96,8 @@ static int smssdio_sendrequest(void *context, void *buffer, size_t size)
 	}
 
 	if (size) {
-		ret = sdio_write_bytes(smsdev->func, SMSSDIO_DATA,
-				       buffer, size);
+		ret = sdio_memcpy_toio(smsdev->func, SMSSDIO_DATA,
+					buffer, size);
 	}
 
 out:
@@ -125,23 +127,23 @@ static void smssdio_interrupt(struct sdio_func *func)
 	 */
 	isr = sdio_readb(func, SMSSDIO_INT, &ret);
 	if (ret) {
-		dev_err(&smsdev->func->dev,
-			"Unable to read interrupt register!\n");
+		sms_err("Unable to read interrupt register!\n");
 		return;
 	}
 
 	if (smsdev->split_cb == NULL) {
 		cb = smscore_getbuffer(smsdev->coredev);
 		if (!cb) {
-			dev_err(&smsdev->func->dev,
-				"Unable to allocate data buffer!\n");
+			sms_err("Unable to allocate data buffer!\n");
 			return;
 		}
 
-		ret = sdio_read_blocks(smsdev->func, cb->p, SMSSDIO_DATA, 1);
+		ret = sdio_memcpy_fromio(smsdev->func,
+					 cb->p,
+					 SMSSDIO_DATA,
+					 SMSSDIO_BLOCK_SIZE);
 		if (ret) {
-			dev_err(&smsdev->func->dev,
-				"Error %d reading initial block!\n", ret);
+			sms_err("Error %d reading initial block!\n", ret);
 			return;
 		}
 
@@ -152,7 +154,10 @@ static void smssdio_interrupt(struct sdio_func *func)
 			return;
 		}
 
-		size = hdr->msgLength - smsdev->func->cur_blksize;
+		if (hdr->msgLength > smsdev->func->cur_blksize)
+			size = hdr->msgLength - smsdev->func->cur_blksize;
+		else
+			size = 0;
 	} else {
 		cb = smsdev->split_cb;
 		hdr = cb->p;
@@ -162,23 +167,24 @@ static void smssdio_interrupt(struct sdio_func *func)
 		smsdev->split_cb = NULL;
 	}
 
-	if (hdr->msgLength > smsdev->func->cur_blksize) {
+	if (size) {
 		void *buffer;
 
-		size = ALIGN(size, 128);
-		buffer = cb->p + hdr->msgLength;
+		buffer = cb->p + (hdr->msgLength - size);
+		size = ALIGN(size, SMSSDIO_BLOCK_SIZE);
 
-		BUG_ON(smsdev->func->cur_blksize != 128);
+		BUG_ON(smsdev->func->cur_blksize != SMSSDIO_BLOCK_SIZE);
 
 		/*
 		 * First attempt to transfer all of it in one go...
 		 */
-		ret = sdio_read_blocks(smsdev->func, buffer,
-				       SMSSDIO_DATA, size / 128);
+		ret = sdio_memcpy_fromio(smsdev->func,
+					 buffer,
+					 SMSSDIO_DATA,
+					 size);
 		if (ret && ret != -EINVAL) {
 			smscore_putbuffer(smsdev->coredev, cb);
-			dev_err(&smsdev->func->dev,
-				"Error %d reading data from card!\n", ret);
+			sms_err("Error %d reading data from card!\n", ret);
 			return;
 		}
 
@@ -191,12 +197,12 @@ static void smssdio_interrupt(struct sdio_func *func)
 		 */
 		if (ret == -EINVAL) {
 			while (size) {
-				ret = sdio_read_blocks(smsdev->func,
-						       buffer, SMSSDIO_DATA, 1);
+				ret = sdio_memcpy_fromio(smsdev->func,
+						  buffer, SMSSDIO_DATA,
+						  smsdev->func->cur_blksize);
 				if (ret) {
 					smscore_putbuffer(smsdev->coredev, cb);
-					dev_err(&smsdev->func->dev,
-						"Error %d reading "
+					sms_err("Error %d reading "
 						"data from card!\n", ret);
 					return;
 				}
@@ -269,7 +275,7 @@ static int smssdio_probe(struct sdio_func *func,
 	if (ret)
 		goto release;
 
-	ret = sdio_set_block_size(func, 128);
+	ret = sdio_set_block_size(func, SMSSDIO_BLOCK_SIZE);
 	if (ret)
 		goto disable;
 
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index 84b6fc15519d..dcf9fa9264bb 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -920,6 +920,8 @@ source "drivers/media/video/pwc/Kconfig"
 config USB_ZR364XX
 	tristate "USB ZR364XX Camera support"
 	depends on VIDEO_V4L2
+	select VIDEOBUF_GEN
+	select VIDEOBUF_VMALLOC
 	---help---
 	  Say Y here if you want to connect this type of camera to your
 	  computer's USB port.
diff --git a/drivers/media/video/bw-qcam.c b/drivers/media/video/bw-qcam.c
index 10dbd4a11b30..9e39bc5f7b00 100644
--- a/drivers/media/video/bw-qcam.c
+++ b/drivers/media/video/bw-qcam.c
@@ -992,7 +992,7 @@ static int accept_bwqcam(struct parport *port)
 
 	if (parport[0] && strncmp(parport[0], "auto", 4) != 0) {
 		/* user gave parport parameters */
-		for(n=0; parport[n] && n<MAX_CAMS; n++){
+		for (n = 0; n < MAX_CAMS && parport[n]; n++) {
 			char *ep;
 			unsigned long r;
 			r = simple_strtoul(parport[n], &ep, 0);
diff --git a/drivers/media/video/cx18/cx18-controls.c b/drivers/media/video/cx18/cx18-controls.c
index 5136df198338..93f0dae01350 100644
--- a/drivers/media/video/cx18/cx18-controls.c
+++ b/drivers/media/video/cx18/cx18-controls.c
@@ -20,6 +20,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  *  02111-1307  USA
  */
+#include <linux/kernel.h>
 
 #include "cx18-driver.h"
 #include "cx18-cards.h"
@@ -317,7 +318,7 @@ int cx18_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c)
 		idx = p.audio_properties & 0x03;
 		/* The audio clock of the digitizer must match the codec sample
 		   rate otherwise you get some very strange effects. */
-		if (idx < sizeof(freqs))
+		if (idx < ARRAY_SIZE(freqs))
 			cx18_call_all(cx, audio, s_clock_freq, freqs[idx]);
 		return err;
 	}
diff --git a/drivers/media/video/cx23885/cx23885-417.c b/drivers/media/video/cx23885/cx23885-417.c
index e0cf21e0b1bf..1a1048b18f70 100644
--- a/drivers/media/video/cx23885/cx23885-417.c
+++ b/drivers/media/video/cx23885/cx23885-417.c
@@ -1715,6 +1715,8 @@ static struct video_device cx23885_mpeg_template = {
 	.fops          = &mpeg_fops,
 	.ioctl_ops     = &mpeg_ioctl_ops,
 	.minor         = -1,
+	.tvnorms       = CX23885_NORMS,
+	.current_norm  = V4L2_STD_NTSC_M,
 };
 
 void cx23885_417_unregister(struct cx23885_dev *dev)
diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c
index a5cc1c1fc2d6..39465301ec94 100644
--- a/drivers/media/video/cx88/cx88-cards.c
+++ b/drivers/media/video/cx88/cx88-cards.c
@@ -3003,6 +3003,14 @@ void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl)
 	case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
 		ctl->demod = XC3028_FE_OREN538;
 		break;
+	case CX88_BOARD_GENIATECH_X8000_MT:
+		/* FIXME: For this board, the xc3028 never recovers after being
+		   powered down (the reset GPIO probably is not set properly).
+		   We don't have access to the hardware so we cannot determine
+		   which GPIO is used for xc3028, so just disable power xc3028
+		   power management for now */
+		ctl->disable_power_mgmt = 1;
+		break;
 	case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL:
 	case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME:
 	case CX88_BOARD_PROLINK_PV_8000GT:
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index c44e87600219..e237b507659b 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -501,6 +501,7 @@ static struct zl10353_config cx88_pinnacle_hybrid_pctv = {
 static struct zl10353_config cx88_geniatech_x8000_mt = {
        .demod_address = (0x1e >> 1),
        .no_tuner = 1,
+       .disable_i2c_gate_ctrl = 1,
 };
 
 static struct s5h1411_config dvico_fusionhdtv7_config = {
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c
index da4e3912cd37..7172dcf2a4fa 100644
--- a/drivers/media/video/cx88/cx88-mpeg.c
+++ b/drivers/media/video/cx88/cx88-mpeg.c
@@ -116,6 +116,10 @@ static int cx8802_start_dma(struct cx8802_dev    *dev,
 			udelay(100);
 			break;
 		case CX88_BOARD_HAUPPAUGE_HVR1300:
+			/* Enable MPEG parallel IO and video signal pins */
+			cx_write(MO_PINMUX_IO, 0x88);
+			cx_write(TS_SOP_STAT, 0);
+			cx_write(TS_VALERR_CNTRL, 0);
 			break;
 		case CX88_BOARD_PINNACLE_PCTV_HD_800i:
 			/* Enable MPEG parallel IO and video signal pins */
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index 320f1f60276e..1c2e544eda73 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -218,7 +218,7 @@ static struct em28xx_reg_seq silvercrest_reg_seq[] = {
 struct em28xx_board em28xx_boards[] = {
 	[EM2750_BOARD_UNKNOWN] = {
 		.name          = "EM2710/EM2750/EM2751 webcam grabber",
-		.xclk          = EM28XX_XCLK_FREQUENCY_48MHZ,
+		.xclk          = EM28XX_XCLK_FREQUENCY_20MHZ,
 		.tuner_type    = TUNER_ABSENT,
 		.is_webcam     = 1,
 		.input         = { {
@@ -622,22 +622,27 @@ struct em28xx_board em28xx_boards[] = {
 	},
 	[EM2861_BOARD_PLEXTOR_PX_TV100U] = {
 		.name         = "Plextor ConvertX PX-TV100U",
-		.valid        = EM28XX_BOARD_NOT_VALIDATED,
 		.tuner_type   = TUNER_TNF_5335MF,
+		.xclk         = EM28XX_XCLK_I2S_MSB_TIMING |
+				EM28XX_XCLK_FREQUENCY_12MHZ,
 		.tda9887_conf = TDA9887_PRESENT,
 		.decoder      = EM28XX_TVP5150,
+		.has_msp34xx  = 1,
 		.input        = { {
 			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = TVP5150_COMPOSITE0,
 			.amux     = EM28XX_AMUX_LINE_IN,
+			.gpio     = pinnacle_hybrid_pro_analog,
 		}, {
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = TVP5150_COMPOSITE1,
 			.amux     = EM28XX_AMUX_LINE_IN,
+			.gpio     = pinnacle_hybrid_pro_analog,
 		}, {
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = TVP5150_SVIDEO,
 			.amux     = EM28XX_AMUX_LINE_IN,
+			.gpio     = pinnacle_hybrid_pro_analog,
 		} },
 	},
 
@@ -1544,6 +1549,8 @@ struct usb_device_id em28xx_id_table[] = {
 			.driver_info = EM2750_BOARD_UNKNOWN },
 	{ USB_DEVICE(0xeb1a, 0x2800),
 			.driver_info = EM2800_BOARD_UNKNOWN },
+	{ USB_DEVICE(0xeb1a, 0x2710),
+			.driver_info = EM2820_BOARD_UNKNOWN },
 	{ USB_DEVICE(0xeb1a, 0x2820),
 			.driver_info = EM2820_BOARD_UNKNOWN },
 	{ USB_DEVICE(0xeb1a, 0x2821),
@@ -1723,6 +1730,25 @@ static inline void em28xx_set_model(struct em28xx *dev)
 				       EM28XX_I2C_FREQ_100_KHZ;
 }
 
+
+/* FIXME: Should be replaced by a proper mt9m111 driver */
+static int em28xx_initialize_mt9m111(struct em28xx *dev)
+{
+	int i;
+	unsigned char regs[][3] = {
+		{ 0x0d, 0x00, 0x01, },  /* reset and use defaults */
+		{ 0x0d, 0x00, 0x00, },
+		{ 0x0a, 0x00, 0x21, },
+		{ 0x21, 0x04, 0x00, },  /* full readout speed, no row/col skipping */
+	};
+
+	for (i = 0; i < ARRAY_SIZE(regs); i++)
+		i2c_master_send(&dev->i2c_client, &regs[i][0], 3);
+
+	return 0;
+}
+
+
 /* FIXME: Should be replaced by a proper mt9m001 driver */
 static int em28xx_initialize_mt9m001(struct em28xx *dev)
 {
@@ -1751,7 +1777,7 @@ static int em28xx_initialize_mt9m001(struct em28xx *dev)
 
 /* HINT method: webcam I2C chips
  *
- * This method work for webcams with Micron sensors
+ * This method works for webcams with Micron sensors
  */
 static int em28xx_hint_sensor(struct em28xx *dev)
 {
@@ -1761,6 +1787,7 @@ static int em28xx_hint_sensor(struct em28xx *dev)
 	__be16 version_be;
 	u16 version;
 
+	/* Micron sensor detection */
 	dev->i2c_client.addr = 0xba >> 1;
 	cmd = 0;
 	i2c_master_send(&dev->i2c_client, &cmd, 1);
@@ -1769,23 +1796,54 @@ static int em28xx_hint_sensor(struct em28xx *dev)
 		return -EINVAL;
 
 	version = be16_to_cpu(version_be);
-
 	switch (version) {
-	case 0x8243:		/* mt9v011 640x480 1.3 Mpix sensor */
+	case 0x8232:		/* mt9v011 640x480 1.3 Mpix sensor */
+	case 0x8243:		/* mt9v011 rev B 640x480 1.3 Mpix sensor */
 		dev->model = EM2820_BOARD_SILVERCREST_WEBCAM;
+		em28xx_set_model(dev);
+
 		sensor_name = "mt9v011";
 		dev->em28xx_sensor = EM28XX_MT9V011;
 		dev->sensor_xres = 640;
 		dev->sensor_yres = 480;
-		dev->sensor_xtal = 6300000;
+		/*
+		 * FIXME: mt9v011 uses I2S speed as xtal clk - at least with
+		 * the Silvercrest cam I have here for testing - for higher
+		 * resolutions, a high clock cause horizontal artifacts, so we
+		 * need to use a lower xclk frequency.
+		 * Yet, it would be possible to adjust xclk depending on the
+		 * desired resolution, since this affects directly the
+		 * frame rate.
+		 */
+		dev->board.xclk = EM28XX_XCLK_FREQUENCY_4_3MHZ;
+		dev->sensor_xtal = 4300000;
 
 		/* probably means GRGB 16 bit bayer */
 		dev->vinmode = 0x0d;
 		dev->vinctl = 0x00;
 
 		break;
+
+	case 0x143a:    /* MT9M111 as found in the ECS G200 */
+		dev->model = EM2750_BOARD_UNKNOWN;
+		em28xx_set_model(dev);
+
+		sensor_name = "mt9m111";
+		dev->board.xclk = EM28XX_XCLK_FREQUENCY_48MHZ;
+		dev->em28xx_sensor = EM28XX_MT9M111;
+		em28xx_initialize_mt9m111(dev);
+		dev->sensor_xres = 640;
+		dev->sensor_yres = 512;
+
+		dev->vinmode = 0x0a;
+		dev->vinctl = 0x00;
+
+		break;
+
 	case 0x8431:
 		dev->model = EM2750_BOARD_UNKNOWN;
+		em28xx_set_model(dev);
+
 		sensor_name = "mt9m001";
 		dev->em28xx_sensor = EM28XX_MT9M001;
 		em28xx_initialize_mt9m001(dev);
@@ -1798,10 +1856,13 @@ static int em28xx_hint_sensor(struct em28xx *dev)
 
 		break;
 	default:
-		printk("Unknown Micron Sensor 0x%04x\n", be16_to_cpu(version));
+		printk("Unknown Micron Sensor 0x%04x\n", version);
 		return -EINVAL;
 	}
 
+	/* Setup webcam defaults */
+	em28xx_pre_card_setup(dev);
+
 	em28xx_errdev("Sensor is %s, using model %s entry.\n",
 		      sensor_name, em28xx_boards[dev->model].name);
 
@@ -1813,60 +1874,6 @@ static int em28xx_hint_sensor(struct em28xx *dev)
  */
 void em28xx_pre_card_setup(struct em28xx *dev)
 {
-	int rc;
-
-	em28xx_set_model(dev);
-
-	em28xx_info("Identified as %s (card=%d)\n",
-		    dev->board.name, dev->model);
-
-	/* Set the default GPO/GPIO for legacy devices */
-	dev->reg_gpo_num = EM2880_R04_GPO;
-	dev->reg_gpio_num = EM28XX_R08_GPIO;
-
-	dev->wait_after_write = 5;
-
-	/* Based on the Chip ID, set the device configuration */
-	rc = em28xx_read_reg(dev, EM28XX_R0A_CHIPID);
-	if (rc > 0) {
-		dev->chip_id = rc;
-
-		switch (dev->chip_id) {
-		case CHIP_ID_EM2750:
-			em28xx_info("chip ID is em2750\n");
-			break;
-		case CHIP_ID_EM2820:
-			em28xx_info("chip ID is em2710 or em2820\n");
-			break;
-		case CHIP_ID_EM2840:
-			em28xx_info("chip ID is em2840\n");
-			break;
-		case CHIP_ID_EM2860:
-			em28xx_info("chip ID is em2860\n");
-			break;
-		case CHIP_ID_EM2870:
-			em28xx_info("chip ID is em2870\n");
-			dev->wait_after_write = 0;
-			break;
-		case CHIP_ID_EM2874:
-			em28xx_info("chip ID is em2874\n");
-			dev->reg_gpio_num = EM2874_R80_GPIO;
-			dev->wait_after_write = 0;
-			break;
-		case CHIP_ID_EM2883:
-			em28xx_info("chip ID is em2882/em2883\n");
-			dev->wait_after_write = 0;
-			break;
-		default:
-			em28xx_info("em28xx chip ID = %d\n", dev->chip_id);
-		}
-	}
-
-	/* Prepopulate cached GPO register content */
-	rc = em28xx_read_reg(dev, dev->reg_gpo_num);
-	if (rc >= 0)
-		dev->reg_gpo = rc;
-
 	/* Set the initial XCLK and I2C clock values based on the board
 	   definition */
 	em28xx_write_reg(dev, EM28XX_R0F_XCLK, dev->board.xclk & 0x7f);
@@ -1876,9 +1883,8 @@ void em28xx_pre_card_setup(struct em28xx *dev)
 	/* request some modules */
 	switch (dev->model) {
 	case EM2861_BOARD_PLEXTOR_PX_TV100U:
-		/* FIXME guess */
-		/* Turn on analog audio output */
-		em28xx_write_reg(dev, EM28XX_R08_GPIO, 0xfd);
+		/* Sets the msp34xx I2S speed */
+		dev->i2s_speed = 2048000;
 		break;
 	case EM2861_BOARD_KWORLD_PVRTV_300U:
 	case EM2880_BOARD_KWORLD_DVB_305U:
@@ -2216,7 +2222,20 @@ void em28xx_register_i2c_ir(struct em28xx *dev)
 
 void em28xx_card_setup(struct em28xx *dev)
 {
-	em28xx_set_model(dev);
+	/*
+	 * If the device can be a webcam, seek for a sensor.
+	 * If sensor is not found, then it isn't a webcam.
+	 */
+	if (dev->board.is_webcam) {
+		if (em28xx_hint_sensor(dev) < 0)
+			dev->board.is_webcam = 0;
+		else
+			dev->progressive = 1;
+	} else
+		em28xx_set_model(dev);
+
+	em28xx_info("Identified as %s (card=%d)\n",
+		    dev->board.name, dev->model);
 
 	dev->tuner_type = em28xx_boards[dev->model].tuner_type;
 	if (em28xx_boards[dev->model].tuner_addr)
@@ -2290,10 +2309,6 @@ void em28xx_card_setup(struct em28xx *dev)
 		em28xx_gpio_set(dev, dev->board.tuner_gpio);
 		em28xx_set_mode(dev, EM28XX_ANALOG_MODE);
 		break;
-	case EM2820_BOARD_SILVERCREST_WEBCAM:
-		/* FIXME: need to document the registers bellow */
-		em28xx_write_reg(dev, 0x0d, 0x42);
-		em28xx_write_reg(dev, 0x13, 0x08);
 	}
 
 	if (dev->board.has_snapshot_button)
@@ -2367,7 +2382,9 @@ void em28xx_card_setup(struct em28xx *dev)
 	}
 
 	em28xx_tuner_setup(dev);
-	em28xx_ir_init(dev);
+
+	if(!disable_ir)
+		em28xx_ir_init(dev);
 }
 
 
@@ -2433,7 +2450,7 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
 			   int minor)
 {
 	struct em28xx *dev = *devhandle;
-	int retval = -ENOMEM;
+	int retval;
 	int errCode;
 
 	dev->udev = udev;
@@ -2450,6 +2467,58 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
 	dev->em28xx_read_reg_req = em28xx_read_reg_req;
 	dev->board.is_em2800 = em28xx_boards[dev->model].is_em2800;
 
+	em28xx_set_model(dev);
+
+	/* Set the default GPO/GPIO for legacy devices */
+	dev->reg_gpo_num = EM2880_R04_GPO;
+	dev->reg_gpio_num = EM28XX_R08_GPIO;
+
+	dev->wait_after_write = 5;
+
+	/* Based on the Chip ID, set the device configuration */
+	retval = em28xx_read_reg(dev, EM28XX_R0A_CHIPID);
+	if (retval > 0) {
+		dev->chip_id = retval;
+
+		switch (dev->chip_id) {
+		case CHIP_ID_EM2710:
+			em28xx_info("chip ID is em2710\n");
+			break;
+		case CHIP_ID_EM2750:
+			em28xx_info("chip ID is em2750\n");
+			break;
+		case CHIP_ID_EM2820:
+			em28xx_info("chip ID is em2820 (or em2710)\n");
+			break;
+		case CHIP_ID_EM2840:
+			em28xx_info("chip ID is em2840\n");
+			break;
+		case CHIP_ID_EM2860:
+			em28xx_info("chip ID is em2860\n");
+			break;
+		case CHIP_ID_EM2870:
+			em28xx_info("chip ID is em2870\n");
+			dev->wait_after_write = 0;
+			break;
+		case CHIP_ID_EM2874:
+			em28xx_info("chip ID is em2874\n");
+			dev->reg_gpio_num = EM2874_R80_GPIO;
+			dev->wait_after_write = 0;
+			break;
+		case CHIP_ID_EM2883:
+			em28xx_info("chip ID is em2882/em2883\n");
+			dev->wait_after_write = 0;
+			break;
+		default:
+			em28xx_info("em28xx chip ID = %d\n", dev->chip_id);
+		}
+	}
+
+	/* Prepopulate cached GPO register content */
+	retval = em28xx_read_reg(dev, dev->reg_gpo_num);
+	if (retval >= 0)
+		dev->reg_gpo = retval;
+
 	em28xx_pre_card_setup(dev);
 
 	if (!dev->board.is_em2800) {
@@ -2484,14 +2553,6 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
 	dev->vinmode = 0x10;
 	dev->vinctl  = 0x11;
 
-	/*
-	 * If the device can be a webcam, seek for a sensor.
-	 * If sensor is not found, then it isn't a webcam.
-	 */
-	if (dev->board.is_webcam)
-		if (em28xx_hint_sensor(dev) < 0)
-			dev->board.is_webcam = 0;
-
 	/* Do board specific init and eeprom reading */
 	em28xx_card_setup(dev);
 
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index 5b78e199abd1..98e140b5d95e 100644
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -632,6 +632,9 @@ int em28xx_capture_start(struct em28xx *dev, int start)
 		return rc;
 	}
 
+	if (dev->board.is_webcam)
+		rc = em28xx_write_reg(dev, 0x13, 0x0c);
+
 	/* enable video capture */
 	rc = em28xx_write_reg(dev, 0x48, 0x00);
 
@@ -720,7 +723,10 @@ int em28xx_resolution_set(struct em28xx *dev)
 {
 	int width, height;
 	width = norm_maxw(dev);
-	height = norm_maxh(dev) >> 1;
+	height = norm_maxh(dev);
+
+	if (!dev->progressive)
+		height >>= norm_maxh(dev);
 
 	em28xx_set_outfmt(dev);
 
diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c
index cf0ac7f2a30d..d603575431b4 100644
--- a/drivers/media/video/em28xx/em28xx-dvb.c
+++ b/drivers/media/video/em28xx/em28xx-dvb.c
@@ -478,7 +478,6 @@ static int dvb_init(struct em28xx *dev)
 		}
 		break;
 	case EM2880_BOARD_KWORLD_DVB_310U:
-	case EM2880_BOARD_EMPIRE_DUAL_TV:
 		dvb->frontend = dvb_attach(zl10353_attach,
 					   &em28xx_zl10353_with_xc3028,
 					   &dev->i2c_adap);
@@ -488,6 +487,7 @@ static int dvb_init(struct em28xx *dev)
 		}
 		break;
 	case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
+	case EM2880_BOARD_EMPIRE_DUAL_TV:
 		dvb->frontend = dvb_attach(zl10353_attach,
 					   &em28xx_zl10353_xc3028_no_i2c_gate,
 					   &dev->i2c_adap);
diff --git a/drivers/media/video/em28xx/em28xx-reg.h b/drivers/media/video/em28xx/em28xx-reg.h
index a2676d63cfd0..6bf84bd787df 100644
--- a/drivers/media/video/em28xx/em28xx-reg.h
+++ b/drivers/media/video/em28xx/em28xx-reg.h
@@ -176,7 +176,8 @@
 
 /* FIXME: Need to be populated with the other chip ID's */
 enum em28xx_chip_id {
-	CHIP_ID_EM2820 = 18,	/* Also used by em2710 */
+	CHIP_ID_EM2710 = 17,
+	CHIP_ID_EM2820 = 18,	/* Also used by some em2710 */
 	CHIP_ID_EM2840 = 20,
 	CHIP_ID_EM2750 = 33,
 	CHIP_ID_EM2860 = 34,
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index ff37b4c15f44..ab079d9256c4 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -194,15 +194,24 @@ static void em28xx_copy_video(struct em28xx *dev,
 	startread = p;
 	remain = len;
 
-	/* Interlaces frame */
-	if (buf->top_field)
+	if (dev->progressive)
 		fieldstart = outp;
-	else
-		fieldstart = outp + bytesperline;
+	else {
+		/* Interlaces two half frames */
+		if (buf->top_field)
+			fieldstart = outp;
+		else
+			fieldstart = outp + bytesperline;
+	}
 
 	linesdone = dma_q->pos / bytesperline;
 	currlinedone = dma_q->pos % bytesperline;
-	offset = linesdone * bytesperline * 2 + currlinedone;
+
+	if (dev->progressive)
+		offset = linesdone * bytesperline + currlinedone;
+	else
+		offset = linesdone * bytesperline * 2 + currlinedone;
+
 	startwrite = fieldstart + offset;
 	lencopy = bytesperline - currlinedone;
 	lencopy = lencopy > remain ? remain : lencopy;
@@ -376,7 +385,7 @@ static inline int em28xx_isoc_copy(struct em28xx *dev, struct urb *urb)
 			em28xx_isocdbg("Video frame %d, length=%i, %s\n", p[2],
 				       len, (p[2] & 1) ? "odd" : "even");
 
-			if (!(p[2] & 1)) {
+			if (dev->progressive || !(p[2] & 1)) {
 				if (buf != NULL)
 					buffer_filled(dev, dma_q, buf);
 				get_next_buf(dma_q, &buf);
@@ -689,7 +698,10 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 	f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 
 	/* FIXME: TOP? NONE? BOTTOM? ALTENATE? */
-	f->fmt.pix.field = dev->interlaced ?
+	if (dev->progressive)
+		f->fmt.pix.field = V4L2_FIELD_NONE;
+	else
+		f->fmt.pix.field = dev->interlaced ?
 			   V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP;
 
 	mutex_unlock(&dev->lock);
@@ -753,7 +765,11 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 	f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3;
 	f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height;
 	f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
-	f->fmt.pix.field = V4L2_FIELD_INTERLACED;
+	if (dev->progressive)
+		f->fmt.pix.field = V4L2_FIELD_NONE;
+	else
+		f->fmt.pix.field = dev->interlaced ?
+			   V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP;
 
 	return 0;
 }
@@ -846,6 +862,41 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
 	return 0;
 }
 
+static int vidioc_g_parm(struct file *file, void *priv,
+			 struct v4l2_streamparm *p)
+{
+	struct em28xx_fh   *fh  = priv;
+	struct em28xx      *dev = fh->dev;
+	int rc = 0;
+
+	if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
+	if (dev->board.is_webcam)
+		rc = v4l2_device_call_until_err(&dev->v4l2_dev, 0,
+						video, g_parm, p);
+	else
+		v4l2_video_std_frame_period(dev->norm,
+						 &p->parm.capture.timeperframe);
+
+	return rc;
+}
+
+static int vidioc_s_parm(struct file *file, void *priv,
+			 struct v4l2_streamparm *p)
+{
+	struct em28xx_fh   *fh  = priv;
+	struct em28xx      *dev = fh->dev;
+
+	if (!dev->board.is_webcam)
+		return -EINVAL;
+
+	if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
+	return v4l2_device_call_until_err(&dev->v4l2_dev, 0, video, s_parm, p);
+}
+
 static const char *iname[] = {
 	[EM28XX_VMUX_COMPOSITE1] = "Composite1",
 	[EM28XX_VMUX_COMPOSITE2] = "Composite2",
@@ -1624,6 +1675,7 @@ static int em28xx_v4l2_open(struct file *filp)
 	struct em28xx *dev;
 	enum v4l2_buf_type fh_type;
 	struct em28xx_fh *fh;
+	enum v4l2_field field;
 
 	dev = em28xx_get_device(minor, &fh_type, &radio);
 
@@ -1665,8 +1717,13 @@ static int em28xx_v4l2_open(struct file *filp)
 
 	dev->users++;
 
+	if (dev->progressive)
+		field = V4L2_FIELD_NONE;
+	else
+		field = V4L2_FIELD_INTERLACED;
+
 	videobuf_queue_vmalloc_init(&fh->vb_vidq, &em28xx_video_qops,
-			NULL, &dev->slock, fh->type, V4L2_FIELD_INTERLACED,
+			NULL, &dev->slock, fh->type, field,
 			sizeof(struct em28xx_buffer), fh);
 
 	mutex_unlock(&dev->lock);
@@ -1885,6 +1942,8 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
 	.vidioc_qbuf                = vidioc_qbuf,
 	.vidioc_dqbuf               = vidioc_dqbuf,
 	.vidioc_s_std               = vidioc_s_std,
+	.vidioc_g_parm		    = vidioc_g_parm,
+	.vidioc_s_parm		    = vidioc_s_parm,
 	.vidioc_enum_input          = vidioc_enum_input,
 	.vidioc_g_input             = vidioc_g_input,
 	.vidioc_s_input             = vidioc_s_input,
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 45bd513f62dc..a2add61f7d59 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -367,6 +367,7 @@ enum em28xx_sensor {
 	EM28XX_NOSENSOR = 0,
 	EM28XX_MT9V011,
 	EM28XX_MT9M001,
+	EM28XX_MT9M111,
 };
 
 enum em28xx_adecoder {
@@ -484,6 +485,9 @@ struct em28xx {
 	int sensor_xres, sensor_yres;
 	int sensor_xtal;
 
+	/* Allows progressive (e. g. non-interlaced) mode */
+	int progressive;
+
 	/* Vinmode/Vinctl used at the driver */
 	int vinmode, vinctl;
 
diff --git a/drivers/media/video/gspca/Kconfig b/drivers/media/video/gspca/Kconfig
index 34f46f2bc040..e994dcac43ff 100644
--- a/drivers/media/video/gspca/Kconfig
+++ b/drivers/media/video/gspca/Kconfig
@@ -114,7 +114,7 @@ config USB_GSPCA_SN9C20X
 
 config USB_GSPCA_SN9C20X_EVDEV
        bool "Enable evdev support"
-       depends on USB_GSPCA_SN9C20X
+	depends on USB_GSPCA_SN9C20X && INPUT
        ---help---
 	 Say Y here in order to enable evdev support for sn9c20x webcam button.
 
diff --git a/drivers/media/video/hdpvr/hdpvr-video.c b/drivers/media/video/hdpvr/hdpvr-video.c
index ccd47f57f42c..d678765cbba2 100644
--- a/drivers/media/video/hdpvr/hdpvr-video.c
+++ b/drivers/media/video/hdpvr/hdpvr-video.c
@@ -1220,6 +1220,8 @@ static const struct video_device hdpvr_video_template = {
 		V4L2_STD_PAL_G | V4L2_STD_PAL_H | V4L2_STD_PAL_I |
 		V4L2_STD_PAL_D | V4L2_STD_PAL_M | V4L2_STD_PAL_N |
 		V4L2_STD_PAL_60,
+	.current_norm 		= V4L2_STD_NTSC | V4L2_STD_PAL_M |
+		V4L2_STD_PAL_60,
 };
 
 int hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent,
diff --git a/drivers/media/video/ivtv/ivtv-controls.c b/drivers/media/video/ivtv/ivtv-controls.c
index a3b77ed3f089..4a9c8ce0ecb3 100644
--- a/drivers/media/video/ivtv/ivtv-controls.c
+++ b/drivers/media/video/ivtv/ivtv-controls.c
@@ -17,6 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
+#include <linux/kernel.h>
 
 #include "ivtv-driver.h"
 #include "ivtv-cards.h"
@@ -281,7 +282,7 @@ int ivtv_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c)
 		idx = p.audio_properties & 0x03;
 		/* The audio clock of the digitizer must match the codec sample
 		   rate otherwise you get some very strange effects. */
-		if (idx < sizeof(freqs))
+		if (idx < ARRAY_SIZE(freqs))
 			ivtv_call_all(itv, audio, s_clock_freq, freqs[idx]);
 		return err;
 	}
diff --git a/drivers/media/video/mt9v011.c b/drivers/media/video/mt9v011.c
index b2260de645f0..cc85f77a5706 100644
--- a/drivers/media/video/mt9v011.c
+++ b/drivers/media/video/mt9v011.c
@@ -52,13 +52,34 @@ static struct v4l2_queryctrl mt9v011_qctrl[] = {
 		.step = 1,
 		.default_value = 0,
 		.flags = 0,
-	},
+	}, {
+		.id      = V4L2_CID_HFLIP,
+		.type    = V4L2_CTRL_TYPE_BOOLEAN,
+		.name    = "Mirror",
+		.minimum = 0,
+		.maximum = 1,
+		.step    = 1,
+		.default_value = 0,
+		.flags = 0,
+	}, {
+		.id      = V4L2_CID_VFLIP,
+		.type    = V4L2_CTRL_TYPE_BOOLEAN,
+		.name    = "Vflip",
+		.minimum = 0,
+		.maximum = 1,
+		.step    = 1,
+		.default_value = 0,
+		.flags = 0,
+	}, {
+	}
 };
 
 struct mt9v011 {
 	struct v4l2_subdev sd;
 	unsigned width, height;
 	unsigned xtal;
+	unsigned hflip:1;
+	unsigned vflip:1;
 
 	u16 global_gain, red_bal, blue_bal;
 };
@@ -131,7 +152,6 @@ static const struct i2c_reg_value mt9v011_init_default[] = {
 
 		{ R0A_MT9V011_CLK_SPEED, 0x0000 },
 		{ R1E_MT9V011_DIGITAL_ZOOM,  0x0000 },
-		{ R20_MT9V011_READ_MODE, 0x1000 },
 
 		{ R07_MT9V011_OUT_CTRL, 0x0002 },	/* chip enable */
 };
@@ -156,7 +176,7 @@ static void set_balance(struct v4l2_subdev *sd)
 	mt9v011_write(sd, R2D_MT9V011_RED_GAIN, red_gain);
 }
 
-static void calc_fps(struct v4l2_subdev *sd)
+static void calc_fps(struct v4l2_subdev *sd, u32 *numerator, u32 *denominator)
 {
 	struct mt9v011 *core = to_mt9v011(sd);
 	unsigned height, width, hblank, vblank, speed;
@@ -179,6 +199,51 @@ static void calc_fps(struct v4l2_subdev *sd)
 
 	v4l2_dbg(1, debug, sd, "Programmed to %u.%03u fps (%d pixel clcks)\n",
 		tmp / 1000, tmp % 1000, t_time);
+
+	if (numerator && denominator) {
+		*numerator = 1000;
+		*denominator = (u32)frames_per_ms;
+	}
+}
+
+static u16 calc_speed(struct v4l2_subdev *sd, u32 numerator, u32 denominator)
+{
+	struct mt9v011 *core = to_mt9v011(sd);
+	unsigned height, width, hblank, vblank;
+	unsigned row_time, line_time;
+	u64 t_time, speed;
+
+	/* Avoid bogus calculus */
+	if (!numerator || !denominator)
+		return 0;
+
+	height = mt9v011_read(sd, R03_MT9V011_HEIGHT);
+	width = mt9v011_read(sd, R04_MT9V011_WIDTH);
+	hblank = mt9v011_read(sd, R05_MT9V011_HBLANK);
+	vblank = mt9v011_read(sd, R06_MT9V011_VBLANK);
+
+	row_time = width + 113 + hblank;
+	line_time = height + vblank + 1;
+
+	t_time = core->xtal * ((u64)numerator);
+	/* round to the closest value */
+	t_time += denominator / 2;
+	do_div(t_time, denominator);
+
+	speed = t_time;
+	do_div(speed, row_time * line_time);
+
+	/* Avoid having a negative value for speed */
+	if (speed < 2)
+		speed = 0;
+	else
+		speed -= 2;
+
+	/* Avoid speed overflow */
+	if (speed > 15)
+		return 15;
+
+	return (u16)speed;
 }
 
 static void set_res(struct v4l2_subdev *sd)
@@ -207,9 +272,23 @@ static void set_res(struct v4l2_subdev *sd)
 	mt9v011_write(sd, R03_MT9V011_HEIGHT, core->height);
 	mt9v011_write(sd, R06_MT9V011_VBLANK, 508 - core->height);
 
-	calc_fps(sd);
+	calc_fps(sd, NULL, NULL);
 };
 
+static void set_read_mode(struct v4l2_subdev *sd)
+{
+	struct mt9v011 *core = to_mt9v011(sd);
+	unsigned mode = 0x1000;
+
+	if (core->hflip)
+		mode |= 0x4000;
+
+	if (core->vflip)
+		mode |= 0x8000;
+
+	mt9v011_write(sd, R20_MT9V011_READ_MODE, mode);
+}
+
 static int mt9v011_reset(struct v4l2_subdev *sd, u32 val)
 {
 	int i;
@@ -220,6 +299,7 @@ static int mt9v011_reset(struct v4l2_subdev *sd, u32 val)
 
 	set_balance(sd);
 	set_res(sd);
+	set_read_mode(sd);
 
 	return 0;
 };
@@ -240,6 +320,12 @@ static int mt9v011_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
 	case V4L2_CID_BLUE_BALANCE:
 		ctrl->value = core->blue_bal;
 		return 0;
+	case V4L2_CID_HFLIP:
+		ctrl->value = core->hflip ? 1 : 0;
+		return 0;
+	case V4L2_CID_VFLIP:
+		ctrl->value = core->vflip ? 1 : 0;
+		return 0;
 	}
 	return -EINVAL;
 }
@@ -288,6 +374,14 @@ static int mt9v011_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
 	case V4L2_CID_BLUE_BALANCE:
 		core->blue_bal = ctrl->value;
 		break;
+	case V4L2_CID_HFLIP:
+		core->hflip = ctrl->value;
+		set_read_mode(sd);
+		return 0;
+	case V4L2_CID_VFLIP:
+		core->vflip = ctrl->value;
+		set_read_mode(sd);
+		return 0;
 	default:
 		return -EINVAL;
 	}
@@ -322,6 +416,44 @@ static int mt9v011_try_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
 	return 0;
 }
 
+static int mt9v011_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
+{
+	struct v4l2_captureparm *cp = &parms->parm.capture;
+
+	if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
+	memset(cp, 0, sizeof(struct v4l2_captureparm));
+	cp->capability = V4L2_CAP_TIMEPERFRAME;
+	calc_fps(sd,
+		 &cp->timeperframe.numerator,
+		 &cp->timeperframe.denominator);
+
+	return 0;
+}
+
+static int mt9v011_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
+{
+	struct v4l2_captureparm *cp = &parms->parm.capture;
+	struct v4l2_fract *tpf = &cp->timeperframe;
+	u16 speed;
+
+	if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+	if (cp->extendedmode != 0)
+		return -EINVAL;
+
+	speed = calc_speed(sd, tpf->numerator, tpf->denominator);
+
+	mt9v011_write(sd, R0A_MT9V011_CLK_SPEED, speed);
+	v4l2_dbg(1, debug, sd, "Setting speed to %d\n", speed);
+
+	/* Recalculate and update fps info */
+	calc_fps(sd, &tpf->numerator, &tpf->denominator);
+
+	return 0;
+}
+
 static int mt9v011_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
 {
 	struct v4l2_pix_format *pix = &fmt->fmt.pix;
@@ -393,10 +525,13 @@ static int mt9v011_s_register(struct v4l2_subdev *sd,
 static int mt9v011_g_chip_ident(struct v4l2_subdev *sd,
 				struct v4l2_dbg_chip_ident *chip)
 {
+	u16 version;
 	struct i2c_client *client = v4l2_get_subdevdata(sd);
 
+	version = mt9v011_read(sd, R00_MT9V011_CHIP_VERSION);
+
 	return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_MT9V011,
-					  MT9V011_VERSION);
+					  version);
 }
 
 static const struct v4l2_subdev_core_ops mt9v011_core_ops = {
@@ -416,6 +551,8 @@ static const struct v4l2_subdev_video_ops mt9v011_video_ops = {
 	.enum_fmt = mt9v011_enum_fmt,
 	.try_fmt = mt9v011_try_fmt,
 	.s_fmt = mt9v011_s_fmt,
+	.g_parm = mt9v011_g_parm,
+	.s_parm = mt9v011_s_parm,
 };
 
 static const struct v4l2_subdev_ops mt9v011_ops = {
@@ -449,8 +586,9 @@ static int mt9v011_probe(struct i2c_client *c,
 
 	/* Check if the sensor is really a MT9V011 */
 	version = mt9v011_read(sd, R00_MT9V011_CHIP_VERSION);
-	if (version != MT9V011_VERSION) {
-		v4l2_info(sd, "*** unknown micron chip detected (0x%04x.\n",
+	if ((version != MT9V011_VERSION) &&
+	    (version != MT9V011_REV_B_VERSION)) {
+		v4l2_info(sd, "*** unknown micron chip detected (0x%04x).\n",
 			  version);
 		kfree(core);
 		return -EINVAL;
@@ -461,8 +599,8 @@ static int mt9v011_probe(struct i2c_client *c,
 	core->height = 480;
 	core->xtal = 27000000;	/* Hz */
 
-	v4l_info(c, "chip found @ 0x%02x (%s)\n",
-		 c->addr << 1, c->adapter->name);
+	v4l_info(c, "chip found @ 0x%02x (%s - chip version 0x%04x)\n",
+		 c->addr << 1, c->adapter->name, version);
 
 	return 0;
 }
diff --git a/drivers/media/video/mt9v011.h b/drivers/media/video/mt9v011.h
index 9e443ee30558..3350fd6083c3 100644
--- a/drivers/media/video/mt9v011.h
+++ b/drivers/media/video/mt9v011.h
@@ -30,6 +30,7 @@
 #define R35_MT9V011_GLOBAL_GAIN		0x35
 #define RF1_MT9V011_CHIP_ENABLE		0xf1
 
-#define MT9V011_VERSION			0x8243
+#define MT9V011_VERSION			0x8232
+#define MT9V011_REV_B_VERSION		0x8243
 
 #endif
diff --git a/drivers/media/video/mx1_camera.c b/drivers/media/video/mx1_camera.c
index 2d075205bdfe..736c31d23194 100644
--- a/drivers/media/video/mx1_camera.c
+++ b/drivers/media/video/mx1_camera.c
@@ -234,6 +234,7 @@ static int mx1_camera_setup_dma(struct mx1_camera_dev *pcdev)
 	return ret;
 }
 
+/* Called under spinlock_irqsave(&pcdev->lock, ...) */
 static void mx1_videobuf_queue(struct videobuf_queue *vq,
 						struct videobuf_buffer *vb)
 {
@@ -241,13 +242,10 @@ static void mx1_videobuf_queue(struct videobuf_queue *vq,
 	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
 	struct mx1_camera_dev *pcdev = ici->priv;
 	struct mx1_buffer *buf = container_of(vb, struct mx1_buffer, vb);
-	unsigned long flags;
 
 	dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %d\n", __func__,
 		vb, vb->baddr, vb->bsize);
 
-	spin_lock_irqsave(&pcdev->lock, flags);
-
 	list_add_tail(&vb->queue, &pcdev->capture);
 
 	vb->state = VIDEOBUF_ACTIVE;
@@ -264,8 +262,6 @@ static void mx1_videobuf_queue(struct videobuf_queue *vq,
 			__raw_writel(temp, pcdev->base + CSICR1);
 		}
 	}
-
-	spin_unlock_irqrestore(&pcdev->lock, flags);
 }
 
 static void mx1_videobuf_release(struct videobuf_queue *vq,
diff --git a/drivers/media/video/mx3_camera.c b/drivers/media/video/mx3_camera.c
index e605c076ed89..9770cb7932ca 100644
--- a/drivers/media/video/mx3_camera.c
+++ b/drivers/media/video/mx3_camera.c
@@ -332,7 +332,10 @@ static enum pixel_fmt fourcc_to_ipu_pix(__u32 fourcc)
 	}
 }
 
-/* Called with .vb_lock held */
+/*
+ * Called with .vb_lock mutex held and
+ * under spinlock_irqsave(&mx3_cam->lock, ...)
+ */
 static void mx3_videobuf_queue(struct videobuf_queue *vq,
 			       struct videobuf_buffer *vb)
 {
@@ -346,7 +349,8 @@ static void mx3_videobuf_queue(struct videobuf_queue *vq,
 	struct idmac_video_param *video = &ichan->params.video;
 	const struct soc_camera_data_format *data_fmt = icd->current_fmt;
 	dma_cookie_t cookie;
-	unsigned long flags;
+
+	BUG_ON(!irqs_disabled());
 
 	/* This is the configuration of one sg-element */
 	video->out_pixel_fmt	= fourcc_to_ipu_pix(data_fmt->fourcc);
@@ -359,8 +363,6 @@ static void mx3_videobuf_queue(struct videobuf_queue *vq,
 	memset((void *)vb->baddr, 0xaa, vb->bsize);
 #endif
 
-	spin_lock_irqsave(&mx3_cam->lock, flags);
-
 	list_add_tail(&vb->queue, &mx3_cam->capture);
 
 	if (!mx3_cam->active) {
@@ -370,24 +372,23 @@ static void mx3_videobuf_queue(struct videobuf_queue *vq,
 		vb->state = VIDEOBUF_QUEUED;
 	}
 
-	spin_unlock_irqrestore(&mx3_cam->lock, flags);
+	spin_unlock_irq(&mx3_cam->lock);
 
 	cookie = txd->tx_submit(txd);
 	dev_dbg(&icd->dev, "Submitted cookie %d DMA 0x%08x\n", cookie, sg_dma_address(&buf->sg));
+
+	spin_lock_irq(&mx3_cam->lock);
+
 	if (cookie >= 0)
 		return;
 
 	/* Submit error */
 	vb->state = VIDEOBUF_PREPARED;
 
-	spin_lock_irqsave(&mx3_cam->lock, flags);
-
 	list_del_init(&vb->queue);
 
 	if (mx3_cam->active == buf)
 		mx3_cam->active = NULL;
-
-	spin_unlock_irqrestore(&mx3_cam->lock, flags);
 }
 
 /* Called with .vb_lock held */
diff --git a/drivers/media/video/pxa_camera.c b/drivers/media/video/pxa_camera.c
index 46e0d8ad880f..016bb45ba0c3 100644
--- a/drivers/media/video/pxa_camera.c
+++ b/drivers/media/video/pxa_camera.c
@@ -612,6 +612,7 @@ static void pxa_camera_stop_capture(struct pxa_camera_dev *pcdev)
 	dev_dbg(pcdev->soc_host.dev, "%s\n", __func__);
 }
 
+/* Called under spinlock_irqsave(&pcdev->lock, ...) */
 static void pxa_videobuf_queue(struct videobuf_queue *vq,
 			       struct videobuf_buffer *vb)
 {
@@ -619,13 +620,10 @@ static void pxa_videobuf_queue(struct videobuf_queue *vq,
 	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
 	struct pxa_camera_dev *pcdev = ici->priv;
 	struct pxa_buffer *buf = container_of(vb, struct pxa_buffer, vb);
-	unsigned long flags;
 
 	dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %d active=%p\n", __func__,
 		vb, vb->baddr, vb->bsize, pcdev->active);
 
-	spin_lock_irqsave(&pcdev->lock, flags);
-
 	list_add_tail(&vb->queue, &pcdev->capture);
 
 	vb->state = VIDEOBUF_ACTIVE;
@@ -633,8 +631,6 @@ static void pxa_videobuf_queue(struct videobuf_queue *vq,
 
 	if (!pcdev->active)
 		pxa_camera_start_capture(pcdev);
-
-	spin_unlock_irqrestore(&pcdev->lock, flags);
 }
 
 static void pxa_videobuf_release(struct videobuf_queue *vq,
@@ -1579,6 +1575,7 @@ static int __devinit pxa_camera_probe(struct platform_device *pdev)
 		pcdev->mclk = 20000000;
 	}
 
+	pcdev->soc_host.dev = &pdev->dev;
 	pcdev->mclk_divisor = mclk_get_divisor(pcdev);
 
 	INIT_LIST_HEAD(&pcdev->capture);
@@ -1644,7 +1641,6 @@ static int __devinit pxa_camera_probe(struct platform_device *pdev)
 	pcdev->soc_host.drv_name	= PXA_CAM_DRV_NAME;
 	pcdev->soc_host.ops		= &pxa_soc_camera_host_ops;
 	pcdev->soc_host.priv		= pcdev;
-	pcdev->soc_host.dev		= &pdev->dev;
 	pcdev->soc_host.nr		= pdev->id;
 
 	err = soc_camera_host_register(&pcdev->soc_host);
diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c
index 06861b782b95..6eebe3ef97d3 100644
--- a/drivers/media/video/saa7134/saa7134-cards.c
+++ b/drivers/media/video/saa7134/saa7134-cards.c
@@ -3331,8 +3331,8 @@ struct saa7134_board saa7134_boards[] = {
 			.gpio = 0x0200100,
 		},
 	},
-	[SAA7134_BOARD_HAUPPAUGE_HVR1120] = {
-		.name           = "Hauppauge WinTV-HVR1120 ATSC/QAM-Hybrid",
+	[SAA7134_BOARD_HAUPPAUGE_HVR1150] = {
+		.name           = "Hauppauge WinTV-HVR1150 ATSC/QAM-Hybrid",
 		.audio_clock    = 0x00187de7,
 		.tuner_type     = TUNER_PHILIPS_TDA8290,
 		.radio_type     = UNSET,
@@ -3363,8 +3363,8 @@ struct saa7134_board saa7134_boards[] = {
 			.gpio = 0x0800100, /* GPIO 23 HI for FM */
 		},
 	},
-	[SAA7134_BOARD_HAUPPAUGE_HVR1110R3] = {
-		.name           = "Hauppauge WinTV-HVR1110r3 DVB-T/Hybrid",
+	[SAA7134_BOARD_HAUPPAUGE_HVR1120] = {
+		.name           = "Hauppauge WinTV-HVR1120 DVB-T/Hybrid",
 		.audio_clock    = 0x00187de7,
 		.tuner_type     = TUNER_PHILIPS_TDA8290,
 		.radio_type     = UNSET,
@@ -5862,31 +5862,31 @@ struct pci_device_id saa7134_pci_tbl[] = {
 		.device       = PCI_DEVICE_ID_PHILIPS_SAA7133,
 		.subvendor    = 0x0070,
 		.subdevice    = 0x6706,
-		.driver_data  = SAA7134_BOARD_HAUPPAUGE_HVR1120,
+		.driver_data  = SAA7134_BOARD_HAUPPAUGE_HVR1150,
 	},{
 		.vendor       = PCI_VENDOR_ID_PHILIPS,
 		.device       = PCI_DEVICE_ID_PHILIPS_SAA7133,
 		.subvendor    = 0x0070,
 		.subdevice    = 0x6707,
-		.driver_data  = SAA7134_BOARD_HAUPPAUGE_HVR1110R3,
+		.driver_data  = SAA7134_BOARD_HAUPPAUGE_HVR1120,
 	},{
 		.vendor       = PCI_VENDOR_ID_PHILIPS,
 		.device       = PCI_DEVICE_ID_PHILIPS_SAA7133,
 		.subvendor    = 0x0070,
 		.subdevice    = 0x6708,
-		.driver_data  = SAA7134_BOARD_HAUPPAUGE_HVR1120,
+		.driver_data  = SAA7134_BOARD_HAUPPAUGE_HVR1150,
 	},{
 		.vendor       = PCI_VENDOR_ID_PHILIPS,
 		.device       = PCI_DEVICE_ID_PHILIPS_SAA7133,
 		.subvendor    = 0x0070,
 		.subdevice    = 0x6709,
-		.driver_data  = SAA7134_BOARD_HAUPPAUGE_HVR1110R3,
+		.driver_data  = SAA7134_BOARD_HAUPPAUGE_HVR1120,
 	},{
 		.vendor       = PCI_VENDOR_ID_PHILIPS,
 		.device       = PCI_DEVICE_ID_PHILIPS_SAA7133,
 		.subvendor    = 0x0070,
 		.subdevice    = 0x670a,
-		.driver_data  = SAA7134_BOARD_HAUPPAUGE_HVR1110R3,
+		.driver_data  = SAA7134_BOARD_HAUPPAUGE_HVR1120,
 	},{
 		.vendor       = PCI_VENDOR_ID_PHILIPS,
 		.device       = PCI_DEVICE_ID_PHILIPS_SAA7133,
@@ -6363,8 +6363,8 @@ static int saa7134_tda8290_18271_callback(struct saa7134_dev *dev,
 	switch (command) {
 	case TDA18271_CALLBACK_CMD_AGC_ENABLE: /* 0 */
 		switch (dev->board) {
+		case SAA7134_BOARD_HAUPPAUGE_HVR1150:
 		case SAA7134_BOARD_HAUPPAUGE_HVR1120:
-		case SAA7134_BOARD_HAUPPAUGE_HVR1110R3:
 			ret = saa7134_tda18271_hvr11x0_toggle_agc(dev, arg);
 			break;
 		default:
@@ -6384,8 +6384,8 @@ static int saa7134_tda8290_callback(struct saa7134_dev *dev,
 	int ret;
 
 	switch (dev->board) {
+	case SAA7134_BOARD_HAUPPAUGE_HVR1150:
 	case SAA7134_BOARD_HAUPPAUGE_HVR1120:
-	case SAA7134_BOARD_HAUPPAUGE_HVR1110R3:
 		/* tda8290 + tda18271 */
 		ret = saa7134_tda8290_18271_callback(dev, command, arg);
 		break;
@@ -6427,7 +6427,7 @@ static void hauppauge_eeprom(struct saa7134_dev *dev, u8 *eeprom_data)
 	switch (tv.model) {
 	case 67019: /* WinTV-HVR1110 (Retail, IR Blaster, hybrid, FM, SVid/Comp, 3.5mm audio in) */
 	case 67109: /* WinTV-HVR1000 (Retail, IR Receive, analog, no FM, SVid/Comp, 3.5mm audio in) */
-	case 67201: /* WinTV-HVR1120 (Retail, IR Receive, hybrid, FM, SVid/Comp, 3.5mm audio in) */
+	case 67201: /* WinTV-HVR1150 (Retail, IR Receive, hybrid, FM, SVid/Comp, 3.5mm audio in) */
 	case 67301: /* WinTV-HVR1000 (Retail, IR Receive, analog, no FM, SVid/Comp, 3.5mm audio in) */
 	case 67209: /* WinTV-HVR1110 (Retail, IR Receive, hybrid, FM, SVid/Comp, 3.5mm audio in) */
 	case 67559: /* WinTV-HVR1110 (OEM, no IR, hybrid, FM, SVid/Comp, RCA aud) */
@@ -6435,7 +6435,7 @@ static void hauppauge_eeprom(struct saa7134_dev *dev, u8 *eeprom_data)
 	case 67579: /* WinTV-HVR1110 (OEM, no IR, hybrid, no FM) */
 	case 67589: /* WinTV-HVR1110 (OEM, no IR, hybrid, no FM, SVid/Comp, RCA aud) */
 	case 67599: /* WinTV-HVR1110 (OEM, no IR, hybrid, no FM, SVid/Comp, RCA aud) */
-	case 67651: /* WinTV-HVR1120 (OEM, no IR, hybrid, FM, SVid/Comp, RCA aud) */
+	case 67651: /* WinTV-HVR1150 (OEM, no IR, hybrid, FM, SVid/Comp, RCA aud) */
 	case 67659: /* WinTV-HVR1110 (OEM, no IR, hybrid, FM, SVid/Comp, RCA aud) */
 		break;
 	default:
@@ -6625,8 +6625,8 @@ int saa7134_board_init1(struct saa7134_dev *dev)
 
 		saa_writeb (SAA7134_PRODUCTION_TEST_MODE, 0x00);
 		break;
+	case SAA7134_BOARD_HAUPPAUGE_HVR1150:
 	case SAA7134_BOARD_HAUPPAUGE_HVR1120:
-	case SAA7134_BOARD_HAUPPAUGE_HVR1110R3:
 		/* GPIO 26 high for digital, low for analog */
 		saa7134_set_gpio(dev, 26, 0);
 		msleep(1);
@@ -6891,8 +6891,8 @@ int saa7134_board_init2(struct saa7134_dev *dev)
 		       dev->name, saa7134_boards[dev->board].name);
 	       }
 	       break;
+	case SAA7134_BOARD_HAUPPAUGE_HVR1150:
 	case SAA7134_BOARD_HAUPPAUGE_HVR1120:
-	case SAA7134_BOARD_HAUPPAUGE_HVR1110R3:
 		hauppauge_eeprom(dev, dev->eedata+0x80);
 		break;
 	case SAA7134_BOARD_HAUPPAUGE_HVR1110:
diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c
index 31930f26ffc7..98f3efd1e944 100644
--- a/drivers/media/video/saa7134/saa7134-dvb.c
+++ b/drivers/media/video/saa7134/saa7134-dvb.c
@@ -1119,7 +1119,7 @@ static int dvb_init(struct saa7134_dev *dev)
 					 &tda827x_cfg_2) < 0)
 			goto dettach_frontend;
 		break;
-	case SAA7134_BOARD_HAUPPAUGE_HVR1110R3:
+	case SAA7134_BOARD_HAUPPAUGE_HVR1120:
 		fe0->dvb.frontend = dvb_attach(tda10048_attach,
 					       &hcw_tda10048_config,
 					       &dev->i2c_adap);
@@ -1147,7 +1147,7 @@ static int dvb_init(struct saa7134_dev *dev)
 					 &tda827x_cfg_1) < 0)
 			goto dettach_frontend;
 		break;
-	case SAA7134_BOARD_HAUPPAUGE_HVR1120:
+	case SAA7134_BOARD_HAUPPAUGE_HVR1150:
 		fe0->dvb.frontend = dvb_attach(lgdt3305_attach,
 					       &hcw_lgdt3305_config,
 					       &dev->i2c_adap);
diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h
index 82268848f26a..fb564f14887c 100644
--- a/drivers/media/video/saa7134/saa7134.h
+++ b/drivers/media/video/saa7134/saa7134.h
@@ -278,8 +278,8 @@ struct saa7134_format {
 #define SAA7134_BOARD_ASUSTeK_TIGER         152
 #define SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG 153
 #define SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS 154
-#define SAA7134_BOARD_HAUPPAUGE_HVR1120     155
-#define SAA7134_BOARD_HAUPPAUGE_HVR1110R3   156
+#define SAA7134_BOARD_HAUPPAUGE_HVR1150     155
+#define SAA7134_BOARD_HAUPPAUGE_HVR1120   156
 #define SAA7134_BOARD_AVERMEDIA_STUDIO_507UA 157
 #define SAA7134_BOARD_AVERMEDIA_CARDBUS_501 158
 #define SAA7134_BOARD_BEHOLD_505RDS         159
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index 0db88a53d92c..e86878deea71 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -282,27 +282,24 @@ out:
 	return ret;
 }
 
+/* Called under spinlock_irqsave(&pcdev->lock, ...) */
 static void sh_mobile_ceu_videobuf_queue(struct videobuf_queue *vq,
 					 struct videobuf_buffer *vb)
 {
 	struct soc_camera_device *icd = vq->priv_data;
 	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
 	struct sh_mobile_ceu_dev *pcdev = ici->priv;
-	unsigned long flags;
 
 	dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %zd\n", __func__,
 		vb, vb->baddr, vb->bsize);
 
 	vb->state = VIDEOBUF_QUEUED;
-	spin_lock_irqsave(&pcdev->lock, flags);
 	list_add_tail(&vb->queue, &pcdev->capture);
 
 	if (!pcdev->active) {
 		pcdev->active = vb;
 		sh_mobile_ceu_capture(pcdev);
 	}
-
-	spin_unlock_irqrestore(&pcdev->lock, flags);
 }
 
 static void sh_mobile_ceu_videobuf_release(struct videobuf_queue *vq,
diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c
index 4d6785e63455..b154bd961e3b 100644
--- a/drivers/media/video/stk-webcam.c
+++ b/drivers/media/video/stk-webcam.c
@@ -1050,8 +1050,8 @@ static int stk_setup_format(struct stk_camera *dev)
 		depth = 1;
 	else
 		depth = 2;
-	while (stk_sizes[i].m != dev->vsettings.mode
-			&& i < ARRAY_SIZE(stk_sizes))
+	while (i < ARRAY_SIZE(stk_sizes) &&
+			stk_sizes[i].m != dev->vsettings.mode)
 		i++;
 	if (i == ARRAY_SIZE(stk_sizes)) {
 		STK_ERROR("Something is broken in %s\n", __func__);
diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c
index 89927b7aec28..04b47832fa0a 100644
--- a/drivers/media/video/uvc/uvc_driver.c
+++ b/drivers/media/video/uvc/uvc_driver.c
@@ -1845,11 +1845,29 @@ static struct usb_device_id uvc_ids[] = {
 	  .bInterfaceSubClass	= 1,
 	  .bInterfaceProtocol	= 0,
 	  .driver_info		= UVC_QUIRK_STREAM_NO_FID },
-	/* ViMicro */
-	{ .match_flags		= USB_DEVICE_ID_MATCH_VENDOR
+	/* ViMicro Vega */
+	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
+				| USB_DEVICE_ID_MATCH_INT_INFO,
+	  .idVendor		= 0x0ac8,
+	  .idProduct		= 0x332d,
+	  .bInterfaceClass	= USB_CLASS_VIDEO,
+	  .bInterfaceSubClass	= 1,
+	  .bInterfaceProtocol	= 0,
+	  .driver_info		= UVC_QUIRK_FIX_BANDWIDTH },
+	/* ViMicro - Minoru3D */
+	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
+				| USB_DEVICE_ID_MATCH_INT_INFO,
+	  .idVendor		= 0x0ac8,
+	  .idProduct		= 0x3410,
+	  .bInterfaceClass	= USB_CLASS_VIDEO,
+	  .bInterfaceSubClass	= 1,
+	  .bInterfaceProtocol	= 0,
+	  .driver_info		= UVC_QUIRK_FIX_BANDWIDTH },
+	/* ViMicro Venus - Minoru3D */
+	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
 				| USB_DEVICE_ID_MATCH_INT_INFO,
 	  .idVendor		= 0x0ac8,
-	  .idProduct		= 0x0000,
+	  .idProduct		= 0x3420,
 	  .bInterfaceClass	= USB_CLASS_VIDEO,
 	  .bInterfaceSubClass	= 1,
 	  .bInterfaceProtocol	= 0,
diff --git a/drivers/media/video/uvc/uvc_status.c b/drivers/media/video/uvc/uvc_status.c
index f152a9903862..1ca6dff73612 100644
--- a/drivers/media/video/uvc/uvc_status.c
+++ b/drivers/media/video/uvc/uvc_status.c
@@ -145,8 +145,8 @@ static void uvc_status_complete(struct urb *urb)
 			break;
 
 		default:
-			uvc_printk(KERN_INFO, "unknown event type %u.\n",
-				dev->status[0]);
+			uvc_trace(UVC_TRACE_STATUS, "Unknown status event "
+				"type %u.\n", dev->status[0]);
 			break;
 		}
 	}
diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c
index be64a502ea27..f2afc4e08379 100644
--- a/drivers/media/video/v4l2-ioctl.c
+++ b/drivers/media/video/v4l2-ioctl.c
@@ -1081,8 +1081,10 @@ static long __video_do_ioctl(struct file *file,
 		/* Calls the specific handler */
 		if (ops->vidioc_g_std)
 			ret = ops->vidioc_g_std(file, fh, id);
-		else
+		else if (vfd->current_norm)
 			*id = vfd->current_norm;
+		else
+			ret = -EINVAL;
 
 		if (!ret)
 			dbgarg(cmd, "std=0x%08Lx\n", (long long unsigned)*id);
@@ -1553,12 +1555,19 @@ static long __video_do_ioctl(struct file *file,
 				break;
 			ret = ops->vidioc_g_parm(file, fh, p);
 		} else {
+			v4l2_std_id std = vfd->current_norm;
+
 			if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 				return -EINVAL;
 
-			v4l2_video_std_frame_period(vfd->current_norm,
-						    &p->parm.capture.timeperframe);
 			ret = 0;
+			if (ops->vidioc_g_std)
+				ret = ops->vidioc_g_std(file, fh, &std);
+			else if (std == 0)
+				ret = -EINVAL;
+			if (ret == 0)
+				v4l2_video_std_frame_period(std,
+						    &p->parm.capture.timeperframe);
 		}
 
 		dbgarg(cmd, "type=%d\n", p->type);
diff --git a/drivers/media/video/zr364xx.c b/drivers/media/video/zr364xx.c
index fc976f42f432..2622a6e63da1 100644
--- a/drivers/media/video/zr364xx.c
+++ b/drivers/media/video/zr364xx.c
@@ -695,7 +695,7 @@ static int zr364xx_release(struct file *file)
 	for (i = 0; i < 2; i++) {
 		err =
 		    send_control_msg(udev, 1, init[cam->method][i].value,
-				     0, init[i][cam->method].bytes,
+				     0, init[cam->method][i].bytes,
 				     init[cam->method][i].size);
 		if (err < 0) {
 			dev_err(&udev->dev, "error during release sequence\n");
diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c
index bae61b22501c..7d430835655f 100644
--- a/drivers/mfd/twl4030-irq.c
+++ b/drivers/mfd/twl4030-irq.c
@@ -180,14 +180,9 @@ static struct completion irq_event;
 static int twl4030_irq_thread(void *data)
 {
 	long irq = (long)data;
-	struct irq_desc *desc = irq_to_desc(irq);
 	static unsigned i2c_errors;
 	static const unsigned max_i2c_errors = 100;
 
-	if (!desc) {
-		pr_err("twl4030: Invalid IRQ: %ld\n", irq);
-		return -EINVAL;
-	}
 
 	current->flags |= PF_NOFREEZE;
 
@@ -240,7 +235,7 @@ static int twl4030_irq_thread(void *data)
 		}
 		local_irq_enable();
 
-		desc->chip->unmask(irq);
+		enable_irq(irq);
 	}
 
 	return 0;
@@ -255,25 +250,13 @@ static int twl4030_irq_thread(void *data)
  * thread.  All we do here is acknowledge and mask the interrupt and wakeup
  * the kernel thread.
  */
-static void handle_twl4030_pih(unsigned int irq, struct irq_desc *desc)
+static irqreturn_t handle_twl4030_pih(int irq, void *devid)
 {
 	/* Acknowledge, clear *AND* mask the interrupt... */
-	desc->chip->ack(irq);
-	complete(&irq_event);
-}
-
-static struct task_struct *start_twl4030_irq_thread(long irq)
-{
-	struct task_struct *thread;
-
-	init_completion(&irq_event);
-	thread = kthread_run(twl4030_irq_thread, (void *)irq, "twl4030-irq");
-	if (!thread)
-		pr_err("twl4030: could not create irq %ld thread!\n", irq);
-
-	return thread;
+	disable_irq_nosync(irq);
+	complete(devid);
+	return IRQ_HANDLED;
 }
-
 /*----------------------------------------------------------------------*/
 
 /*
@@ -734,18 +717,28 @@ int twl_init_irq(int irq_num, unsigned irq_base, unsigned irq_end)
 	}
 
 	/* install an irq handler to demultiplex the TWL4030 interrupt */
-	task = start_twl4030_irq_thread(irq_num);
-	if (!task) {
-		pr_err("twl4030: irq thread FAIL\n");
-		status = -ESRCH;
-		goto fail;
-	}
 
-	set_irq_data(irq_num, task);
-	set_irq_chained_handler(irq_num, handle_twl4030_pih);
 
-	return status;
+	init_completion(&irq_event);
 
+	status = request_irq(irq_num, handle_twl4030_pih, IRQF_DISABLED,
+				"TWL4030-PIH", &irq_event);
+	if (status < 0) {
+		pr_err("twl4030: could not claim irq%d: %d\n", irq_num, status);
+		goto fail_rqirq;
+	}
+
+	task = kthread_run(twl4030_irq_thread, (void *)irq_num, "twl4030-irq");
+	if (IS_ERR(task)) {
+		pr_err("twl4030: could not create irq %d thread!\n", irq_num);
+		status = PTR_ERR(task);
+		goto fail_kthread;
+	}
+	return status;
+fail_kthread:
+	free_irq(irq_num, &irq_event);
+fail_rqirq:
+	/* clean up twl4030_sih_setup */
 fail:
 	for (i = irq_base; i < irq_end; i++)
 		set_irq_chip_and_handler(i, NULL, NULL);
diff --git a/drivers/mmc/host/sdhci-of.c b/drivers/mmc/host/sdhci-of.c
index 908844327db0..1e8aa590bb39 100644
--- a/drivers/mmc/host/sdhci-of.c
+++ b/drivers/mmc/host/sdhci-of.c
@@ -234,7 +234,7 @@ static int __devinit sdhci_of_probe(struct of_device *ofdev,
 		return -ENODEV;
 
 	host = sdhci_alloc_host(&ofdev->dev, sizeof(*of_host));
-	if (!host)
+	if (IS_ERR(host))
 		return -ENOMEM;
 
 	of_host = sdhci_priv(host);
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index 0b98654d8eed..7a58bd5522fd 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -284,13 +284,6 @@ config MTD_L440GX
 
 	  BE VERY CAREFUL.
 
-config MTD_SBC8240
-	tristate "Flash device on SBC8240"
-	depends on MTD_JEDECPROBE && 8260
-	help
-          Flash access on the SBC8240 board from Wind River.  See
-          <http://www.windriver.com/products/sbc8240/>
-
 config MTD_TQM8XXL
 	tristate "CFI Flash device mapped on TQM8XXL"
 	depends on MTD_CFI && TQM8xxL
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index 8bae7f9850c0..5beb0662d724 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -50,7 +50,6 @@ obj-$(CONFIG_MTD_UCLINUX)	+= uclinux.o
 obj-$(CONFIG_MTD_NETtel)	+= nettel.o
 obj-$(CONFIG_MTD_SCB2_FLASH)	+= scb2_flash.o
 obj-$(CONFIG_MTD_H720X)		+= h720x-flash.o
-obj-$(CONFIG_MTD_SBC8240)	+= sbc8240.o
 obj-$(CONFIG_MTD_IXP4XX)	+= ixp4xx.o
 obj-$(CONFIG_MTD_IXP2000)	+= ixp2000.o
 obj-$(CONFIG_MTD_WRSBC8260)	+= wr_sbc82xx_flash.o
diff --git a/drivers/mtd/maps/sbc8240.c b/drivers/mtd/maps/sbc8240.c
deleted file mode 100644
index d5374cdcb163..000000000000
--- a/drivers/mtd/maps/sbc8240.c
+++ /dev/null
@@ -1,250 +0,0 @@
-/*
- * Handle mapping of the flash memory access routines on the SBC8240 board.
- *
- * Carolyn Smith, Tektronix, Inc.
- *
- * This code is GPLed
- */
-
-/*
- * The SBC8240 has 2 flash banks.
- * Bank 0 is a 512 KiB AMD AM29F040B; 8 x 64 KiB sectors.
- * It contains the U-Boot code (7 sectors) and the environment (1 sector).
- * Bank 1 is 4 x 1 MiB AMD AM29LV800BT; 15 x 64 KiB sectors, 1 x 32 KiB sector,
- * 2 x 8 KiB sectors, 1 x 16 KiB sectors.
- * Both parts are JEDEC compatible.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <asm/io.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/cfi.h>
-
-#ifdef CONFIG_MTD_PARTITIONS
-#include <linux/mtd/partitions.h>
-#endif
-
-#define	DEBUG
-
-#ifdef	DEBUG
-# define debugk(fmt,args...)	printk(fmt ,##args)
-#else
-# define debugk(fmt,args...)
-#endif
-
-
-#define WINDOW_ADDR0	0xFFF00000		/* 512 KiB */
-#define WINDOW_SIZE0	0x00080000
-#define BUSWIDTH0	1
-
-#define WINDOW_ADDR1	0xFF000000		/* 4 MiB */
-#define WINDOW_SIZE1	0x00400000
-#define BUSWIDTH1	8
-
-#define MSG_PREFIX "sbc8240:"	/* prefix for our printk()'s */
-#define MTDID	   "sbc8240-%d"	/* for mtdparts= partitioning */
-
-
-static struct map_info sbc8240_map[2] = {
-	{
-		.name           = "sbc8240 Flash Bank #0",
-		.size           = WINDOW_SIZE0,
-		.bankwidth       = BUSWIDTH0,
-	},
-	{
-		.name           = "sbc8240 Flash Bank #1",
-		.size           = WINDOW_SIZE1,
-		.bankwidth       = BUSWIDTH1,
-	}
-};
-
-#define NUM_FLASH_BANKS	ARRAY_SIZE(sbc8240_map)
-
-/*
- * The following defines the partition layout of SBC8240 boards.
- *
- * See include/linux/mtd/partitions.h for definition of the
- * mtd_partition structure.
- *
- * The *_max_flash_size is the maximum possible mapped flash size
- * which is not necessarily the actual flash size. It must correspond
- * to the value specified in the mapping definition defined by the
- * "struct map_desc *_io_desc" for the corresponding machine.
- */
-
-#ifdef CONFIG_MTD_PARTITIONS
-
-static struct mtd_partition sbc8240_uboot_partitions [] = {
-	/* Bank 0 */
-	{
-		.name =	"U-boot",			/* U-Boot Firmware	*/
-		.offset =	0,
-		.size =	0x00070000,			/*  7 x 64 KiB sectors 	*/
-		.mask_flags = MTD_WRITEABLE,		/*  force read-only	*/
-	},
-	{
-		.name =	"environment",			/* U-Boot environment	*/
-		.offset =	0x00070000,
-		.size =	0x00010000,			/*  1 x 64 KiB sector	*/
-	},
-};
-
-static struct mtd_partition sbc8240_fs_partitions [] = {
-	{
-		.name =	"jffs",				/* JFFS  filesystem	*/
-		.offset =	0,
-		.size =	0x003C0000,			/*  4 * 15 * 64KiB	*/
-	},
-	{
-		.name =	"tmp32",
-		.offset =	0x003C0000,
-		.size =	0x00020000,			/*  4 * 32KiB		*/
-	},
-	{
-		.name =	"tmp8a",
-		.offset =	0x003E0000,
-		.size =	0x00008000,			/*  4 * 8KiB		*/
-	},
-	{
-		.name =	"tmp8b",
-		.offset =	0x003E8000,
-		.size =	0x00008000,			/*  4 * 8KiB		*/
-	},
-	{
-		.name =	"tmp16",
-		.offset =	0x003F0000,
-		.size =	0x00010000,			/*  4 * 16KiB		*/
-	}
-};
-
-/* trivial struct to describe partition information */
-struct mtd_part_def
-{
-	int nums;
-	unsigned char *type;
-	struct mtd_partition* mtd_part;
-};
-
-static struct mtd_info *sbc8240_mtd[NUM_FLASH_BANKS];
-static struct mtd_part_def sbc8240_part_banks[NUM_FLASH_BANKS];
-
-
-#endif	/* CONFIG_MTD_PARTITIONS */
-
-
-static int __init init_sbc8240_mtd (void)
-{
-	static struct _cjs {
-		u_long addr;
-		u_long size;
-	} pt[NUM_FLASH_BANKS] = {
-		{
-			.addr = WINDOW_ADDR0,
-			.size = WINDOW_SIZE0
-		},
-		{
-			.addr = WINDOW_ADDR1,
-			.size = WINDOW_SIZE1
-		},
-	};
-
-	int devicesfound = 0;
-	int i,j;
-
-	for (i = 0; i < NUM_FLASH_BANKS; i++) {
-		printk (KERN_NOTICE MSG_PREFIX
-			"Probing 0x%08lx at 0x%08lx\n", pt[i].size, pt[i].addr);
-
-		sbc8240_map[i].map_priv_1 =
-			(unsigned long) ioremap (pt[i].addr, pt[i].size);
-		if (!sbc8240_map[i].map_priv_1) {
-			printk (MSG_PREFIX "failed to ioremap\n");
-			for (j = 0; j < i; j++) {
-				iounmap((void *) sbc8240_map[j].map_priv_1);
-				sbc8240_map[j].map_priv_1 = 0;
-			}
-			return -EIO;
-		}
-		simple_map_init(&sbc8240_mtd[i]);
-
-		sbc8240_mtd[i] = do_map_probe("jedec_probe", &sbc8240_map[i]);
-
-		if (sbc8240_mtd[i]) {
-			sbc8240_mtd[i]->module = THIS_MODULE;
-			devicesfound++;
-		} else {
-			if (sbc8240_map[i].map_priv_1) {
-				iounmap((void *) sbc8240_map[i].map_priv_1);
-				sbc8240_map[i].map_priv_1 = 0;
-			}
-		}
-	}
-
-	if (!devicesfound) {
-		printk(KERN_NOTICE MSG_PREFIX
-		       "No suppported flash chips found!\n");
-		return -ENXIO;
-	}
-
-#ifdef CONFIG_MTD_PARTITIONS
-	sbc8240_part_banks[0].mtd_part   = sbc8240_uboot_partitions;
-	sbc8240_part_banks[0].type       = "static image";
-	sbc8240_part_banks[0].nums       = ARRAY_SIZE(sbc8240_uboot_partitions);
-	sbc8240_part_banks[1].mtd_part   = sbc8240_fs_partitions;
-	sbc8240_part_banks[1].type       = "static file system";
-	sbc8240_part_banks[1].nums       = ARRAY_SIZE(sbc8240_fs_partitions);
-
-	for (i = 0; i < NUM_FLASH_BANKS; i++) {
-
-		if (!sbc8240_mtd[i]) continue;
-		if (sbc8240_part_banks[i].nums == 0) {
-			printk (KERN_NOTICE MSG_PREFIX
-				"No partition info available, registering whole device\n");
-			add_mtd_device(sbc8240_mtd[i]);
-		} else {
-			printk (KERN_NOTICE MSG_PREFIX
-				"Using %s partition definition\n", sbc8240_part_banks[i].mtd_part->name);
-			add_mtd_partitions (sbc8240_mtd[i],
-					    sbc8240_part_banks[i].mtd_part,
-					    sbc8240_part_banks[i].nums);
-		}
-	}
-#else
-	printk(KERN_NOTICE MSG_PREFIX
-	       "Registering %d flash banks at once\n", devicesfound);
-
-	for (i = 0; i < devicesfound; i++) {
-		add_mtd_device(sbc8240_mtd[i]);
-	}
-#endif	/* CONFIG_MTD_PARTITIONS */
-
-	return devicesfound == 0 ? -ENXIO : 0;
-}
-
-static void __exit cleanup_sbc8240_mtd (void)
-{
-	int i;
-
-	for (i = 0; i < NUM_FLASH_BANKS; i++) {
-		if (sbc8240_mtd[i]) {
-			del_mtd_device (sbc8240_mtd[i]);
-			map_destroy (sbc8240_mtd[i]);
-		}
-		if (sbc8240_map[i].map_priv_1) {
-			iounmap ((void *) sbc8240_map[i].map_priv_1);
-			sbc8240_map[i].map_priv_1 = 0;
-		}
-	}
-}
-
-module_init (init_sbc8240_mtd);
-module_exit (cleanup_sbc8240_mtd);
-
-MODULE_LICENSE ("GPL");
-MODULE_AUTHOR ("Carolyn Smith <carolyn.smith@tektronix.com>");
-MODULE_DESCRIPTION ("MTD map driver for SBC8240 boards");
-
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index c3f62654b6df..7baba40c1ed2 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -144,7 +144,7 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode)
 	struct mtd_blktrans_ops *tr = dev->tr;
 	int ret = -ENODEV;
 
-	if (!try_module_get(dev->mtd->owner))
+	if (!get_mtd_device(NULL, dev->mtd->index))
 		goto out;
 
 	if (!try_module_get(tr->owner))
@@ -158,7 +158,7 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode)
 	ret = 0;
 	if (tr->open && (ret = tr->open(dev))) {
 		dev->mtd->usecount--;
-		module_put(dev->mtd->owner);
+		put_mtd_device(dev->mtd);
 	out_tr:
 		module_put(tr->owner);
 	}
@@ -177,7 +177,7 @@ static int blktrans_release(struct gendisk *disk, fmode_t mode)
 
 	if (!ret) {
 		dev->mtd->usecount--;
-		module_put(dev->mtd->owner);
+		put_mtd_device(dev->mtd);
 		module_put(tr->owner);
 	}
 
diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c
index 208c6faa0358..77db5ce24d92 100644
--- a/drivers/mtd/mtdblock.c
+++ b/drivers/mtd/mtdblock.c
@@ -29,6 +29,8 @@ static struct mtdblk_dev {
 	enum { STATE_EMPTY, STATE_CLEAN, STATE_DIRTY } cache_state;
 } *mtdblks[MAX_MTD_DEVICES];
 
+static struct mutex mtdblks_lock;
+
 /*
  * Cache stuff...
  *
@@ -270,15 +272,19 @@ static int mtdblock_open(struct mtd_blktrans_dev *mbd)
 
 	DEBUG(MTD_DEBUG_LEVEL1,"mtdblock_open\n");
 
+	mutex_lock(&mtdblks_lock);
 	if (mtdblks[dev]) {
 		mtdblks[dev]->count++;
+		mutex_unlock(&mtdblks_lock);
 		return 0;
 	}
 
 	/* OK, it's not open. Create cache info for it */
 	mtdblk = kzalloc(sizeof(struct mtdblk_dev), GFP_KERNEL);
-	if (!mtdblk)
+	if (!mtdblk) {
+		mutex_unlock(&mtdblks_lock);
 		return -ENOMEM;
+	}
 
 	mtdblk->count = 1;
 	mtdblk->mtd = mtd;
@@ -291,6 +297,7 @@ static int mtdblock_open(struct mtd_blktrans_dev *mbd)
 	}
 
 	mtdblks[dev] = mtdblk;
+	mutex_unlock(&mtdblks_lock);
 
 	DEBUG(MTD_DEBUG_LEVEL1, "ok\n");
 
@@ -304,6 +311,8 @@ static int mtdblock_release(struct mtd_blktrans_dev *mbd)
 
    	DEBUG(MTD_DEBUG_LEVEL1, "mtdblock_release\n");
 
+	mutex_lock(&mtdblks_lock);
+
 	mutex_lock(&mtdblk->cache_mutex);
 	write_cached_data(mtdblk);
 	mutex_unlock(&mtdblk->cache_mutex);
@@ -316,6 +325,9 @@ static int mtdblock_release(struct mtd_blktrans_dev *mbd)
 		vfree(mtdblk->cache_data);
 		kfree(mtdblk);
 	}
+
+	mutex_unlock(&mtdblks_lock);
+
 	DEBUG(MTD_DEBUG_LEVEL1, "ok\n");
 
 	return 0;
@@ -376,6 +388,8 @@ static struct mtd_blktrans_ops mtdblock_tr = {
 
 static int __init init_mtdblock(void)
 {
+	mutex_init(&mtdblks_lock);
+
 	return register_mtd_blktrans(&mtdblock_tr);
 }
 
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index fac54a3fa3f1..00ebf7af7467 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -65,8 +65,8 @@ static void mtd_release(struct device *dev)
 static int mtd_cls_suspend(struct device *dev, pm_message_t state)
 {
 	struct mtd_info *mtd = dev_to_mtd(dev);
-	
-	if (mtd->suspend)
+
+	if (mtd && mtd->suspend)
 		return mtd->suspend(mtd);
 	else
 		return 0;
@@ -76,7 +76,7 @@ static int mtd_cls_resume(struct device *dev)
 {
 	struct mtd_info *mtd = dev_to_mtd(dev);
 	
-	if (mtd->resume)
+	if (mtd && mtd->resume)
 		mtd->resume(mtd);
 	return 0;
 }
@@ -298,6 +298,7 @@ int add_mtd_device(struct mtd_info *mtd)
 			mtd->dev.class = &mtd_class;
 			mtd->dev.devt = MTD_DEVT(i);
 			dev_set_name(&mtd->dev, "mtd%d", i);
+			dev_set_drvdata(&mtd->dev, mtd);
 			if (device_register(&mtd->dev) != 0) {
 				mtd_table[i] = NULL;
 				break;
diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c
index 7ad972229db4..0d9d4bc9c762 100644
--- a/drivers/mtd/nand/orion_nand.c
+++ b/drivers/mtd/nand/orion_nand.c
@@ -61,7 +61,7 @@ static void orion_nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
 	buf64 = (uint64_t *)buf;
 	while (i < len/8) {
 		uint64_t x;
-		asm ("ldrd\t%0, [%1]" : "=r" (x) : "r" (io_base));
+		asm volatile ("ldrd\t%0, [%1]" : "=&r" (x) : "r" (io_base));
 		buf64[i++] = x;
 	}
 	i *= 8;
diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index 38d656b9b2ee..0108ed42e877 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -266,7 +266,7 @@ static inline int omap2_onenand_bufferram_offset(struct mtd_info *mtd, int area)
 
 	if (ONENAND_CURRENT_BUFFERRAM(this)) {
 		if (area == ONENAND_DATARAM)
-			return mtd->writesize;
+			return this->writesize;
 		if (area == ONENAND_SPARERAM)
 			return mtd->oobsize;
 	}
@@ -770,6 +770,7 @@ static int __devexit omap2_onenand_remove(struct platform_device *pdev)
 	}
 	iounmap(c->onenand.base);
 	release_mem_region(c->phys_base, ONENAND_IO_SIZE);
+	gpmc_cs_free(c->gpmc_cs);
 	kfree(c);
 
 	return 0;
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index 0f2034c3ed2f..e4d9ef0c965a 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -1254,6 +1254,7 @@ out_free:
 		if (!ubi->volumes[i])
 			continue;
 		kfree(ubi->volumes[i]->eba_tbl);
+		ubi->volumes[i]->eba_tbl = NULL;
 	}
 	return err;
 }
diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index a423131b6171..b847745394b4 100644
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -781,11 +781,22 @@ static int process_eb(struct ubi_device *ubi, struct ubi_scan_info *si,
 			return -EINVAL;
 		}
 
+		/*
+		 * Make sure that all PEBs have the same image sequence number.
+		 * This allows us to detect situations when users flash UBI
+		 * images incorrectly, so that the flash has the new UBI image
+		 * and leftovers from the old one. This feature was added
+		 * relatively recently, and the sequence number was always
+		 * zero, because old UBI implementations always set it to zero.
+		 * For this reasons, we do not panic if some PEBs have zero
+		 * sequence number, while other PEBs have non-zero sequence
+		 * number.
+		 */
 		image_seq = be32_to_cpu(ech->image_seq);
 		if (!si->image_seq_set) {
 			ubi->image_seq = image_seq;
 			si->image_seq_set = 1;
-		} else if (ubi->image_seq != image_seq) {
+		} else if (ubi->image_seq && ubi->image_seq != image_seq) {
 			ubi_err("bad image sequence number %d in PEB %d, "
 				"expected %d", image_seq, pnum, ubi->image_seq);
 			ubi_dbg_dump_ec_hdr(ech);
diff --git a/drivers/net/3c515.c b/drivers/net/3c515.c
index 3e00fa8ea65f..4a7c32895be5 100644
--- a/drivers/net/3c515.c
+++ b/drivers/net/3c515.c
@@ -832,7 +832,9 @@ static int corkscrew_open(struct net_device *dev)
 			skb_reserve(skb, 2);	/* Align IP on 16 byte boundaries */
 			vp->rx_ring[i].addr = isa_virt_to_bus(skb->data);
 		}
-		vp->rx_ring[i - 1].next = isa_virt_to_bus(&vp->rx_ring[0]);	/* Wrap the ring. */
+		if (i != 0)
+			vp->rx_ring[i - 1].next =
+				isa_virt_to_bus(&vp->rx_ring[0]);	/* Wrap the ring. */
 		outl(isa_virt_to_bus(&vp->rx_ring[0]), ioaddr + UpListPtr);
 	}
 	if (vp->full_bus_master_tx) {	/* Boomerang bus master Tx. */
diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index c34aee91250b..45675889850b 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -235,6 +235,7 @@ enum vortex_chips {
 	CH_3C900B_FL,
 	CH_3C905_1,
 	CH_3C905_2,
+	CH_3C905B_TX,
 	CH_3C905B_1,
 
 	CH_3C905B_2,
@@ -307,6 +308,8 @@ static struct vortex_chip_info {
 	 PCI_USES_MASTER, IS_BOOMERANG|HAS_MII|EEPROM_RESET, 64, },
 	{"3c905 Boomerang 100baseT4",
 	 PCI_USES_MASTER, IS_BOOMERANG|HAS_MII|EEPROM_RESET, 64, },
+	{"3C905B-TX Fast Etherlink XL PCI",
+	 PCI_USES_MASTER, IS_CYCLONE|HAS_NWAY|HAS_HWCKSM|EXTRA_PREAMBLE, 128, },
 	{"3c905B Cyclone 100baseTx",
 	 PCI_USES_MASTER, IS_CYCLONE|HAS_NWAY|HAS_HWCKSM|EXTRA_PREAMBLE, 128, },
 
@@ -389,6 +392,7 @@ static struct pci_device_id vortex_pci_tbl[] = {
 	{ 0x10B7, 0x900A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C900B_FL },
 	{ 0x10B7, 0x9050, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C905_1 },
 	{ 0x10B7, 0x9051, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C905_2 },
+	{ 0x10B7, 0x9054, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C905B_TX },
 	{ 0x10B7, 0x9055, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C905B_1 },
 
 	{ 0x10B7, 0x9058, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C905B_2 },
@@ -2721,13 +2725,15 @@ dump_tx_ring(struct net_device *dev)
 				   &vp->tx_ring[vp->dirty_tx % TX_RING_SIZE]);
 			issue_and_wait(dev, DownStall);
 			for (i = 0; i < TX_RING_SIZE; i++) {
-				pr_err("  %d: @%p  length %8.8x status %8.8x\n", i,
-					   &vp->tx_ring[i],
+				unsigned int length;
+
 #if DO_ZEROCOPY
-					   le32_to_cpu(vp->tx_ring[i].frag[0].length),
+				length = le32_to_cpu(vp->tx_ring[i].frag[0].length);
 #else
-					   le32_to_cpu(vp->tx_ring[i].length),
+				length = le32_to_cpu(vp->tx_ring[i].length);
 #endif
+				pr_err("  %d: @%p  length %8.8x status %8.8x\n",
+					   i, &vp->tx_ring[i], length,
 					   le32_to_cpu(vp->tx_ring[i].status));
 			}
 			if (!stalled)
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index 50efde11ea6c..d0dbbf39349a 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -515,7 +515,7 @@ rx_status_loop:
 		dma_addr_t mapping;
 		struct sk_buff *skb, *new_skb;
 		struct cp_desc *desc;
-		unsigned buflen;
+		const unsigned buflen = cp->rx_buf_sz;
 
 		skb = cp->rx_skb[rx_tail];
 		BUG_ON(!skb);
@@ -549,8 +549,7 @@ rx_status_loop:
 			pr_debug("%s: rx slot %d status 0x%x len %d\n",
 			       dev->name, rx_tail, status, len);
 
-		buflen = cp->rx_buf_sz + NET_IP_ALIGN;
-		new_skb = netdev_alloc_skb(dev, buflen);
+		new_skb = netdev_alloc_skb(dev, buflen + NET_IP_ALIGN);
 		if (!new_skb) {
 			dev->stats.rx_dropped++;
 			goto rx_next;
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 3ed49f1337c7..985a0550c803 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -1727,12 +1727,14 @@ config KS8842
 	tristate "Micrel KSZ8842"
 	depends on HAS_IOMEM
 	help
-	  This platform driver is for Micrel KSZ8842 chip.
+	  This platform driver is for Micrel KSZ8842 / KS8842
+	  2-port ethernet switch chip (managed, VLAN, QoS).
 
 config KS8851
        tristate "Micrel KS8851 SPI"
        depends on SPI
        select MII
+	select CRC32
        help
          SPI driver for Micrel KS8851 SPI attached network chip.
 
diff --git a/drivers/net/arm/w90p910_ether.c b/drivers/net/arm/w90p910_ether.c
index 616fb7985a34..ddd231cb54b7 100644
--- a/drivers/net/arm/w90p910_ether.c
+++ b/drivers/net/arm/w90p910_ether.c
@@ -1080,7 +1080,7 @@ static struct platform_driver w90p910_ether_driver = {
 	.probe		= w90p910_ether_probe,
 	.remove		= __devexit_p(w90p910_ether_remove),
 	.driver		= {
-		.name	= "w90p910-emc",
+		.name	= "nuc900-emc",
 		.owner	= THIS_MODULE,
 	},
 };
@@ -1101,5 +1101,5 @@ module_exit(w90p910_ether_exit);
 MODULE_AUTHOR("Wan ZongShun <mcuos.com@gmail.com>");
 MODULE_DESCRIPTION("w90p910 MAC driver!");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:w90p910-emc");
+MODULE_ALIAS("platform:nuc900-emc");
 
diff --git a/drivers/net/atl1c/atl1c_ethtool.c b/drivers/net/atl1c/atl1c_ethtool.c
index 607007d75b6f..00d11b480af3 100644
--- a/drivers/net/atl1c/atl1c_ethtool.c
+++ b/drivers/net/atl1c/atl1c_ethtool.c
@@ -232,11 +232,11 @@ static void atl1c_get_drvinfo(struct net_device *netdev,
 {
 	struct atl1c_adapter *adapter = netdev_priv(netdev);
 
-	strncpy(drvinfo->driver,  atl1c_driver_name, sizeof(drvinfo->driver));
-	strncpy(drvinfo->version, atl1c_driver_version,
+	strlcpy(drvinfo->driver,  atl1c_driver_name, sizeof(drvinfo->driver));
+	strlcpy(drvinfo->version, atl1c_driver_version,
 		sizeof(drvinfo->version));
-	strncpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
-	strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
+	strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
+	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 		sizeof(drvinfo->bus_info));
 	drvinfo->n_stats = 0;
 	drvinfo->testinfo_len = 0;
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 94d7325caf4f..8bca12f71390 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -3378,11 +3378,11 @@ static void atl1_get_drvinfo(struct net_device *netdev,
 {
 	struct atl1_adapter *adapter = netdev_priv(netdev);
 
-	strncpy(drvinfo->driver, ATLX_DRIVER_NAME, sizeof(drvinfo->driver));
-	strncpy(drvinfo->version, ATLX_DRIVER_VERSION,
+	strlcpy(drvinfo->driver, ATLX_DRIVER_NAME, sizeof(drvinfo->driver));
+	strlcpy(drvinfo->version, ATLX_DRIVER_VERSION,
 		sizeof(drvinfo->version));
-	strncpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
-	strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
+	strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
+	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 		sizeof(drvinfo->bus_info));
 	drvinfo->eedump_len = ATL1_EEDUMP_LEN;
 }
diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index 36d4d377ec2f..bafca672ea7d 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -952,9 +952,10 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	int rc = NETDEV_TX_OK;
 	dma_addr_t mapping;
 	u32 len, entry, ctrl;
+	unsigned long flags;
 
 	len = skb->len;
-	spin_lock_irq(&bp->lock);
+	spin_lock_irqsave(&bp->lock, flags);
 
 	/* This is a hard error, log it. */
 	if (unlikely(TX_BUFFS_AVAIL(bp) < 1)) {
@@ -1027,7 +1028,7 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	dev->trans_start = jiffies;
 
 out_unlock:
-	spin_unlock_irq(&bp->lock);
+	spin_unlock_irqrestore(&bp->lock, flags);
 
 	return rc;
 
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index b70cc99962fc..06b901152d44 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -399,9 +399,11 @@ static int bnx2_unregister_cnic(struct net_device *dev)
 	struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
 	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
 
+	mutex_lock(&bp->cnic_lock);
 	cp->drv_state = 0;
 	bnapi->cnic_present = 0;
 	rcu_assign_pointer(bp->cnic_ops, NULL);
+	mutex_unlock(&bp->cnic_lock);
 	synchronize_rcu();
 	return 0;
 }
@@ -429,13 +431,13 @@ bnx2_cnic_stop(struct bnx2 *bp)
 	struct cnic_ops *c_ops;
 	struct cnic_ctl_info info;
 
-	rcu_read_lock();
-	c_ops = rcu_dereference(bp->cnic_ops);
+	mutex_lock(&bp->cnic_lock);
+	c_ops = bp->cnic_ops;
 	if (c_ops) {
 		info.cmd = CNIC_CTL_STOP_CMD;
 		c_ops->cnic_ctl(bp->cnic_data, &info);
 	}
-	rcu_read_unlock();
+	mutex_unlock(&bp->cnic_lock);
 }
 
 static void
@@ -444,8 +446,8 @@ bnx2_cnic_start(struct bnx2 *bp)
 	struct cnic_ops *c_ops;
 	struct cnic_ctl_info info;
 
-	rcu_read_lock();
-	c_ops = rcu_dereference(bp->cnic_ops);
+	mutex_lock(&bp->cnic_lock);
+	c_ops = bp->cnic_ops;
 	if (c_ops) {
 		if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
 			struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
@@ -455,7 +457,7 @@ bnx2_cnic_start(struct bnx2 *bp)
 		info.cmd = CNIC_CTL_START_CMD;
 		c_ops->cnic_ctl(bp->cnic_data, &info);
 	}
-	rcu_read_unlock();
+	mutex_unlock(&bp->cnic_lock);
 }
 
 #else
@@ -7663,6 +7665,9 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
 
 	spin_lock_init(&bp->phy_lock);
 	spin_lock_init(&bp->indirect_lock);
+#ifdef BCM_CNIC
+	mutex_init(&bp->cnic_lock);
+#endif
 	INIT_WORK(&bp->reset_task, bnx2_reset_task);
 
 	dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index f1edfaa9e56a..a4f12fd0ecd2 100644
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -6902,6 +6902,7 @@ struct bnx2 {
 	u32			idle_chk_status_idx;
 
 #ifdef BCM_CNIC
+	struct mutex		cnic_lock;
 	struct cnic_eth_dev	cnic_eth_dev;
 #endif
 
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 9e4283aff828..e1a4f8214239 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -611,11 +611,18 @@ nla_put_failure:
 	return -EMSGSIZE;
 }
 
+static int can_newlink(struct net_device *dev,
+		       struct nlattr *tb[], struct nlattr *data[])
+{
+	return -EOPNOTSUPP;
+}
+
 static struct rtnl_link_ops can_link_ops __read_mostly = {
 	.kind		= "can",
 	.maxtype	= IFLA_CAN_MAX,
 	.policy		= can_policy,
 	.setup		= can_setup,
+	.newlink	= can_newlink,
 	.changelink	= can_changelink,
 	.fill_info	= can_fill_info,
 	.fill_xstats	= can_fill_xstats,
diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index 4869d77cbe91..74c342959b7b 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -138,6 +138,16 @@ static struct cnic_dev *cnic_from_netdev(struct net_device *netdev)
 	return NULL;
 }
 
+static inline void ulp_get(struct cnic_ulp_ops *ulp_ops)
+{
+	atomic_inc(&ulp_ops->ref_count);
+}
+
+static inline void ulp_put(struct cnic_ulp_ops *ulp_ops)
+{
+	atomic_dec(&ulp_ops->ref_count);
+}
+
 static void cnic_ctx_wr(struct cnic_dev *dev, u32 cid_addr, u32 off, u32 val)
 {
 	struct cnic_local *cp = dev->cnic_priv;
@@ -358,6 +368,7 @@ int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops)
 	}
 	read_unlock(&cnic_dev_lock);
 
+	atomic_set(&ulp_ops->ref_count, 0);
 	rcu_assign_pointer(cnic_ulp_tbl[ulp_type], ulp_ops);
 	mutex_unlock(&cnic_lock);
 
@@ -379,6 +390,8 @@ int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops)
 int cnic_unregister_driver(int ulp_type)
 {
 	struct cnic_dev *dev;
+	struct cnic_ulp_ops *ulp_ops;
+	int i = 0;
 
 	if (ulp_type >= MAX_CNIC_ULP_TYPE) {
 		printk(KERN_ERR PFX "cnic_unregister_driver: Bad type %d\n",
@@ -386,7 +399,8 @@ int cnic_unregister_driver(int ulp_type)
 		return -EINVAL;
 	}
 	mutex_lock(&cnic_lock);
-	if (!cnic_ulp_tbl[ulp_type]) {
+	ulp_ops = cnic_ulp_tbl[ulp_type];
+	if (!ulp_ops) {
 		printk(KERN_ERR PFX "cnic_unregister_driver: Type %d has not "
 				    "been registered\n", ulp_type);
 		goto out_unlock;
@@ -411,6 +425,14 @@ int cnic_unregister_driver(int ulp_type)
 
 	mutex_unlock(&cnic_lock);
 	synchronize_rcu();
+	while ((atomic_read(&ulp_ops->ref_count) != 0) && (i < 20)) {
+		msleep(100);
+		i++;
+	}
+
+	if (atomic_read(&ulp_ops->ref_count) != 0)
+		printk(KERN_WARNING PFX "%s: Failed waiting for ref count to go"
+					" to zero.\n", dev->netdev->name);
 	return 0;
 
 out_unlock:
@@ -466,6 +488,7 @@ EXPORT_SYMBOL(cnic_register_driver);
 static int cnic_unregister_device(struct cnic_dev *dev, int ulp_type)
 {
 	struct cnic_local *cp = dev->cnic_priv;
+	int i = 0;
 
 	if (ulp_type >= MAX_CNIC_ULP_TYPE) {
 		printk(KERN_ERR PFX "cnic_unregister_device: Bad type %d\n",
@@ -486,6 +509,15 @@ static int cnic_unregister_device(struct cnic_dev *dev, int ulp_type)
 
 	synchronize_rcu();
 
+	while (test_bit(ULP_F_CALL_PENDING, &cp->ulp_flags[ulp_type]) &&
+	       i < 20) {
+		msleep(100);
+		i++;
+	}
+	if (test_bit(ULP_F_CALL_PENDING, &cp->ulp_flags[ulp_type]))
+		printk(KERN_WARNING PFX "%s: Failed waiting for ULP up call"
+					" to complete.\n", dev->netdev->name);
+
 	return 0;
 }
 EXPORT_SYMBOL(cnic_unregister_driver);
@@ -1076,18 +1108,23 @@ static void cnic_ulp_stop(struct cnic_dev *dev)
 	if (cp->cnic_uinfo)
 		cnic_send_nlmsg(cp, ISCSI_KEVENT_IF_DOWN, NULL);
 
-	rcu_read_lock();
 	for (if_type = 0; if_type < MAX_CNIC_ULP_TYPE; if_type++) {
 		struct cnic_ulp_ops *ulp_ops;
 
-		ulp_ops = rcu_dereference(cp->ulp_ops[if_type]);
-		if (!ulp_ops)
+		mutex_lock(&cnic_lock);
+		ulp_ops = cp->ulp_ops[if_type];
+		if (!ulp_ops) {
+			mutex_unlock(&cnic_lock);
 			continue;
+		}
+		set_bit(ULP_F_CALL_PENDING, &cp->ulp_flags[if_type]);
+		mutex_unlock(&cnic_lock);
 
 		if (test_and_clear_bit(ULP_F_START, &cp->ulp_flags[if_type]))
 			ulp_ops->cnic_stop(cp->ulp_handle[if_type]);
+
+		clear_bit(ULP_F_CALL_PENDING, &cp->ulp_flags[if_type]);
 	}
-	rcu_read_unlock();
 }
 
 static void cnic_ulp_start(struct cnic_dev *dev)
@@ -1095,18 +1132,23 @@ static void cnic_ulp_start(struct cnic_dev *dev)
 	struct cnic_local *cp = dev->cnic_priv;
 	int if_type;
 
-	rcu_read_lock();
 	for (if_type = 0; if_type < MAX_CNIC_ULP_TYPE; if_type++) {
 		struct cnic_ulp_ops *ulp_ops;
 
-		ulp_ops = rcu_dereference(cp->ulp_ops[if_type]);
-		if (!ulp_ops || !ulp_ops->cnic_start)
+		mutex_lock(&cnic_lock);
+		ulp_ops = cp->ulp_ops[if_type];
+		if (!ulp_ops || !ulp_ops->cnic_start) {
+			mutex_unlock(&cnic_lock);
 			continue;
+		}
+		set_bit(ULP_F_CALL_PENDING, &cp->ulp_flags[if_type]);
+		mutex_unlock(&cnic_lock);
 
 		if (!test_and_set_bit(ULP_F_START, &cp->ulp_flags[if_type]))
 			ulp_ops->cnic_start(cp->ulp_handle[if_type]);
+
+		clear_bit(ULP_F_CALL_PENDING, &cp->ulp_flags[if_type]);
 	}
-	rcu_read_unlock();
 }
 
 static int cnic_ctl(void *data, struct cnic_ctl_info *info)
@@ -1116,22 +1158,18 @@ static int cnic_ctl(void *data, struct cnic_ctl_info *info)
 	switch (info->cmd) {
 	case CNIC_CTL_STOP_CMD:
 		cnic_hold(dev);
-		mutex_lock(&cnic_lock);
 
 		cnic_ulp_stop(dev);
 		cnic_stop_hw(dev);
 
-		mutex_unlock(&cnic_lock);
 		cnic_put(dev);
 		break;
 	case CNIC_CTL_START_CMD:
 		cnic_hold(dev);
-		mutex_lock(&cnic_lock);
 
 		if (!cnic_start_hw(dev))
 			cnic_ulp_start(dev);
 
-		mutex_unlock(&cnic_lock);
 		cnic_put(dev);
 		break;
 	default:
@@ -1145,19 +1183,23 @@ static void cnic_ulp_init(struct cnic_dev *dev)
 	int i;
 	struct cnic_local *cp = dev->cnic_priv;
 
-	rcu_read_lock();
 	for (i = 0; i < MAX_CNIC_ULP_TYPE_EXT; i++) {
 		struct cnic_ulp_ops *ulp_ops;
 
-		ulp_ops = rcu_dereference(cnic_ulp_tbl[i]);
-		if (!ulp_ops || !ulp_ops->cnic_init)
+		mutex_lock(&cnic_lock);
+		ulp_ops = cnic_ulp_tbl[i];
+		if (!ulp_ops || !ulp_ops->cnic_init) {
+			mutex_unlock(&cnic_lock);
 			continue;
+		}
+		ulp_get(ulp_ops);
+		mutex_unlock(&cnic_lock);
 
 		if (!test_and_set_bit(ULP_F_INIT, &cp->ulp_flags[i]))
 			ulp_ops->cnic_init(dev);
 
+		ulp_put(ulp_ops);
 	}
-	rcu_read_unlock();
 }
 
 static void cnic_ulp_exit(struct cnic_dev *dev)
@@ -1165,19 +1207,23 @@ static void cnic_ulp_exit(struct cnic_dev *dev)
 	int i;
 	struct cnic_local *cp = dev->cnic_priv;
 
-	rcu_read_lock();
 	for (i = 0; i < MAX_CNIC_ULP_TYPE_EXT; i++) {
 		struct cnic_ulp_ops *ulp_ops;
 
-		ulp_ops = rcu_dereference(cnic_ulp_tbl[i]);
-		if (!ulp_ops || !ulp_ops->cnic_exit)
+		mutex_lock(&cnic_lock);
+		ulp_ops = cnic_ulp_tbl[i];
+		if (!ulp_ops || !ulp_ops->cnic_exit) {
+			mutex_unlock(&cnic_lock);
 			continue;
+		}
+		ulp_get(ulp_ops);
+		mutex_unlock(&cnic_lock);
 
 		if (test_and_clear_bit(ULP_F_INIT, &cp->ulp_flags[i]))
 			ulp_ops->cnic_exit(dev);
 
+		ulp_put(ulp_ops);
 	}
-	rcu_read_unlock();
 }
 
 static int cnic_cm_offload_pg(struct cnic_sock *csk)
@@ -2393,21 +2439,45 @@ static int cnic_start_bnx2_hw(struct cnic_dev *dev)
 	return 0;
 }
 
-static int cnic_start_hw(struct cnic_dev *dev)
+static int cnic_register_netdev(struct cnic_dev *dev)
 {
 	struct cnic_local *cp = dev->cnic_priv;
 	struct cnic_eth_dev *ethdev = cp->ethdev;
 	int err;
 
-	if (test_bit(CNIC_F_CNIC_UP, &dev->flags))
-		return -EALREADY;
+	if (!ethdev)
+		return -ENODEV;
+
+	if (ethdev->drv_state & CNIC_DRV_STATE_REGD)
+		return 0;
 
 	err = ethdev->drv_register_cnic(dev->netdev, cp->cnic_ops, dev);
-	if (err) {
+	if (err)
 		printk(KERN_ERR PFX "%s: register_cnic failed\n",
 		       dev->netdev->name);
-		goto err2;
-	}
+
+	return err;
+}
+
+static void cnic_unregister_netdev(struct cnic_dev *dev)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct cnic_eth_dev *ethdev = cp->ethdev;
+
+	if (!ethdev)
+		return;
+
+	ethdev->drv_unregister_cnic(dev->netdev);
+}
+
+static int cnic_start_hw(struct cnic_dev *dev)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct cnic_eth_dev *ethdev = cp->ethdev;
+	int err;
+
+	if (test_bit(CNIC_F_CNIC_UP, &dev->flags))
+		return -EALREADY;
 
 	dev->regview = ethdev->io_base;
 	cp->chip_id = ethdev->chip_id;
@@ -2438,18 +2508,13 @@ static int cnic_start_hw(struct cnic_dev *dev)
 	return 0;
 
 err1:
-	ethdev->drv_unregister_cnic(dev->netdev);
 	cp->free_resc(dev);
 	pci_dev_put(dev->pcidev);
-err2:
 	return err;
 }
 
 static void cnic_stop_bnx2_hw(struct cnic_dev *dev)
 {
-	struct cnic_local *cp = dev->cnic_priv;
-	struct cnic_eth_dev *ethdev = cp->ethdev;
-
 	cnic_disable_bnx2_int_sync(dev);
 
 	cnic_reg_wr_ind(dev, BNX2_CP_SCRATCH + 0x20, 0);
@@ -2461,8 +2526,6 @@ static void cnic_stop_bnx2_hw(struct cnic_dev *dev)
 	cnic_setup_5709_context(dev, 0);
 	cnic_free_irq(dev);
 
-	ethdev->drv_unregister_cnic(dev->netdev);
-
 	cnic_free_resc(dev);
 }
 
@@ -2543,7 +2606,7 @@ static struct cnic_dev *init_bnx2_cnic(struct net_device *dev)
 	probe = symbol_get(bnx2_cnic_probe);
 	if (probe) {
 		ethdev = (*probe)(dev);
-		symbol_put_addr(probe);
+		symbol_put(bnx2_cnic_probe);
 	}
 	if (!ethdev)
 		return NULL;
@@ -2646,10 +2709,12 @@ static int cnic_netdev_event(struct notifier_block *this, unsigned long event,
 		else if (event == NETDEV_UNREGISTER)
 			cnic_ulp_exit(dev);
 		else if (event == NETDEV_UP) {
-			mutex_lock(&cnic_lock);
+			if (cnic_register_netdev(dev) != 0) {
+				cnic_put(dev);
+				goto done;
+			}
 			if (!cnic_start_hw(dev))
 				cnic_ulp_start(dev);
-			mutex_unlock(&cnic_lock);
 		}
 
 		rcu_read_lock();
@@ -2668,10 +2733,9 @@ static int cnic_netdev_event(struct notifier_block *this, unsigned long event,
 		rcu_read_unlock();
 
 		if (event == NETDEV_GOING_DOWN) {
-			mutex_lock(&cnic_lock);
 			cnic_ulp_stop(dev);
 			cnic_stop_hw(dev);
-			mutex_unlock(&cnic_lock);
+			cnic_unregister_netdev(dev);
 		} else if (event == NETDEV_UNREGISTER) {
 			write_lock(&cnic_dev_lock);
 			list_del_init(&dev->list);
@@ -2703,6 +2767,7 @@ static void cnic_release(void)
 		}
 
 		cnic_ulp_exit(dev);
+		cnic_unregister_netdev(dev);
 		list_del_init(&dev->list);
 		cnic_free_dev(dev);
 	}
diff --git a/drivers/net/cnic.h b/drivers/net/cnic.h
index 5192d4a9df5a..a94b302bb464 100644
--- a/drivers/net/cnic.h
+++ b/drivers/net/cnic.h
@@ -176,6 +176,7 @@ struct cnic_local {
 	unsigned long ulp_flags[MAX_CNIC_ULP_TYPE];
 #define ULP_F_INIT	0
 #define ULP_F_START	1
+#define ULP_F_CALL_PENDING	2
 	struct cnic_ulp_ops *ulp_ops[MAX_CNIC_ULP_TYPE];
 
 	/* protected by ulp_lock */
diff --git a/drivers/net/cnic_if.h b/drivers/net/cnic_if.h
index d1bce27ee99e..a49235739eef 100644
--- a/drivers/net/cnic_if.h
+++ b/drivers/net/cnic_if.h
@@ -290,6 +290,7 @@ struct cnic_ulp_ops {
 	void (*iscsi_nl_send_msg)(struct cnic_dev *dev, u32 msg_type,
 				  char *data, u16 data_size);
 	struct module *owner;
+	atomic_t ref_count;
 };
 
 extern int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops);
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 41b648a67fec..3a6735dc9f6a 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -1899,7 +1899,7 @@ static int e100_rx_indicate(struct nic *nic, struct rx *rx,
 				nic->ru_running = RU_SUSPENDED;
 		pci_dma_sync_single_for_device(nic->pdev, rx->dma_addr,
 					       sizeof(struct rfd),
-					       PCI_DMA_BIDIRECTIONAL);
+					       PCI_DMA_FROMDEVICE);
 		return -ENODATA;
 	}
 
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index d56c7473144a..99df2abf82a9 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -338,10 +338,7 @@ static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw)
 {
 	struct e1000_nvm_info *nvm = &hw->nvm;
 	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
-	union ich8_hws_flash_status hsfsts;
-	u32 gfpreg;
-	u32 sector_base_addr;
-	u32 sector_end_addr;
+	u32 gfpreg, sector_base_addr, sector_end_addr;
 	u16 i;
 
 	/* Can't read flash registers if the register set isn't mapped. */
@@ -375,20 +372,6 @@ static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw)
 	/* Adjust to word count */
 	nvm->flash_bank_size /= sizeof(u16);
 
-	/*
-	 * Make sure the flash bank size does not overwrite the 4k
-	 * sector ranges. We may have 64k allotted to us but we only care
-	 * about the first 2 4k sectors. Therefore, if we have anything less
-	 * than 64k set in the HSFSTS register, we will reduce the bank size
-	 * down to 4k and let the rest remain unused. If berasesz == 3, then
-	 * we are working in 64k mode. Otherwise we are not.
-	 */
-	if (nvm->flash_bank_size > E1000_ICH8_SHADOW_RAM_WORDS) {
-		hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
-		if (hsfsts.hsf_status.berasesz != 3)
-			nvm->flash_bank_size = E1000_ICH8_SHADOW_RAM_WORDS;
-	}
-
 	nvm->word_size = E1000_ICH8_SHADOW_RAM_WORDS;
 
 	/* Clear shadow ram */
@@ -594,8 +577,8 @@ static DEFINE_MUTEX(nvm_mutex);
  **/
 static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
 {
-	u32 extcnf_ctrl;
-	u32 timeout = PHY_CFG_TIMEOUT;
+	u32 extcnf_ctrl, timeout = PHY_CFG_TIMEOUT;
+	s32 ret_val = 0;
 
 	might_sleep();
 
@@ -603,28 +586,46 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
 
 	while (timeout) {
 		extcnf_ctrl = er32(EXTCNF_CTRL);
+		if (!(extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG))
+			break;
 
-		if (!(extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)) {
-			extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG;
-			ew32(EXTCNF_CTRL, extcnf_ctrl);
+		mdelay(1);
+		timeout--;
+	}
+
+	if (!timeout) {
+		hw_dbg(hw, "SW/FW/HW has locked the resource for too long.\n");
+		ret_val = -E1000_ERR_CONFIG;
+		goto out;
+	}
+
+	timeout = PHY_CFG_TIMEOUT * 2;
+
+	extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG;
+	ew32(EXTCNF_CTRL, extcnf_ctrl);
+
+	while (timeout) {
+		extcnf_ctrl = er32(EXTCNF_CTRL);
+		if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)
+			break;
 
-			extcnf_ctrl = er32(EXTCNF_CTRL);
-			if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)
-				break;
-		}
 		mdelay(1);
 		timeout--;
 	}
 
 	if (!timeout) {
-		hw_dbg(hw, "FW or HW has locked the resource for too long.\n");
+		hw_dbg(hw, "Failed to acquire the semaphore.\n");
 		extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG;
 		ew32(EXTCNF_CTRL, extcnf_ctrl);
-		mutex_unlock(&nvm_mutex);
-		return -E1000_ERR_CONFIG;
+		ret_val = -E1000_ERR_CONFIG;
+		goto out;
 	}
 
-	return 0;
+out:
+	if (ret_val)
+		mutex_unlock(&nvm_mutex);
+
+	return ret_val;
 }
 
 /**
@@ -1306,7 +1307,7 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 	struct e1000_nvm_info *nvm = &hw->nvm;
 	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
 	u32 act_offset;
-	s32 ret_val;
+	s32 ret_val = 0;
 	u32 bank = 0;
 	u16 i, word;
 
@@ -1321,12 +1322,15 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 		goto out;
 
 	ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
-	if (ret_val)
-		goto release;
+	if (ret_val) {
+		hw_dbg(hw, "Could not detect valid bank, assuming bank 0\n");
+		bank = 0;
+	}
 
 	act_offset = (bank) ? nvm->flash_bank_size : 0;
 	act_offset += offset;
 
+	ret_val = 0;
 	for (i = 0; i < words; i++) {
 		if ((dev_spec->shadow_ram) &&
 		    (dev_spec->shadow_ram[offset+i].modified)) {
@@ -1341,7 +1345,6 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 		}
 	}
 
-release:
 	e1000_release_swflag_ich8lan(hw);
 
 out:
@@ -1592,7 +1595,6 @@ static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 {
 	struct e1000_nvm_info *nvm = &hw->nvm;
 	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
-	s32 ret_val;
 	u16 i;
 
 	if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) ||
@@ -1601,17 +1603,11 @@ static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 		return -E1000_ERR_NVM;
 	}
 
-	ret_val = e1000_acquire_swflag_ich8lan(hw);
-	if (ret_val)
-		return ret_val;
-
 	for (i = 0; i < words; i++) {
 		dev_spec->shadow_ram[offset+i].modified = 1;
 		dev_spec->shadow_ram[offset+i].value = data[i];
 	}
 
-	e1000_release_swflag_ich8lan(hw);
-
 	return 0;
 }
 
@@ -1652,8 +1648,8 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 	 */
 	ret_val =  e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
 	if (ret_val) {
-		e1000_release_swflag_ich8lan(hw);
-		goto out;
+		hw_dbg(hw, "Could not detect valid bank, assuming bank 0\n");
+		bank = 0;
 	}
 
 	if (bank == 0) {
@@ -2039,12 +2035,8 @@ static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank)
 		iteration = 1;
 		break;
 	case 2:
-		if (hw->mac.type == e1000_ich9lan) {
-			sector_size = ICH_FLASH_SEG_SIZE_8K;
-			iteration = flash_bank_size / ICH_FLASH_SEG_SIZE_8K;
-		} else {
-			return -E1000_ERR_NVM;
-		}
+		sector_size = ICH_FLASH_SEG_SIZE_8K;
+		iteration = 1;
 		break;
 	case 3:
 		sector_size = ICH_FLASH_SEG_SIZE_64K;
@@ -2056,7 +2048,7 @@ static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank)
 
 	/* Start with the base address, then add the sector offset. */
 	flash_linear_addr = hw->nvm.flash_base_addr;
-	flash_linear_addr += (bank) ? (sector_size * iteration) : 0;
+	flash_linear_addr += (bank) ? flash_bank_size : 0;
 
 	for (j = 0; j < iteration ; j++) {
 		do {
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 63415bb6f48f..fa92a683aefd 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -4538,8 +4538,7 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
 		/* Allow time for pending master requests to run */
 		e1000e_disable_pcie_master(&adapter->hw);
 
-		if ((adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) &&
-		    !(hw->mac.ops.check_mng_mode(hw))) {
+		if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
 			/* enable wakeup by the PHY */
 			retval = e1000_init_phy_wakeup(adapter, wufc);
 			if (retval)
@@ -4557,7 +4556,8 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
 	*enable_wake = !!wufc;
 
 	/* make sure adapter isn't asleep if manageability is enabled */
-	if (adapter->flags & FLAG_MNG_PT_ENABLED)
+	if ((adapter->flags & FLAG_MNG_PT_ENABLED) ||
+	    (hw->mac.ops.check_mng_mode(hw)))
 		*enable_wake = true;
 
 	if (adapter->hw.phy.type == e1000_phy_igp_3)
@@ -4670,14 +4670,6 @@ static int e1000_resume(struct pci_dev *pdev)
 		return err;
 	}
 
-	/* AER (Advanced Error Reporting) hooks */
-	err = pci_enable_pcie_error_reporting(pdev);
-	if (err) {
-		dev_err(&pdev->dev, "pci_enable_pcie_error_reporting failed "
-		                    "0x%x\n", err);
-		/* non-fatal, continue */
-	}
-
 	pci_set_master(pdev);
 
 	pci_enable_wake(pdev, PCI_D3hot, 0);
@@ -4990,6 +4982,14 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
 	if (err)
 		goto err_pci_reg;
 
+	/* AER (Advanced Error Reporting) hooks */
+	err = pci_enable_pcie_error_reporting(pdev);
+	if (err) {
+		dev_err(&pdev->dev, "pci_enable_pcie_error_reporting failed "
+		        "0x%x\n", err);
+		/* non-fatal, continue */
+	}
+
 	pci_set_master(pdev);
 	/* PCI config space info */
 	err = pci_save_state(pdev);
diff --git a/drivers/net/eexpress.c b/drivers/net/eexpress.c
index 1686dca28748..1f016d66684a 100644
--- a/drivers/net/eexpress.c
+++ b/drivers/net/eexpress.c
@@ -1474,13 +1474,13 @@ static void eexp_hw_init586(struct net_device *dev)
 	outw(0x0000, ioaddr + 0x800c);
 	outw(0x0000, ioaddr + 0x800e);
 
-	for (i = 0; i < (sizeof(start_code)); i+=32) {
+	for (i = 0; i < ARRAY_SIZE(start_code) * 2; i+=32) {
 		int j;
 		outw(i, ioaddr + SM_PTR);
-		for (j = 0; j < 16; j+=2)
+		for (j = 0; j < 16 && (i+j)/2 < ARRAY_SIZE(start_code); j+=2)
 			outw(start_code[(i+j)/2],
 			     ioaddr+0x4000+j);
-		for (j = 0; j < 16; j+=2)
+		for (j = 0; j < 16 && (i+j+16)/2 < ARRAY_SIZE(start_code); j+=2)
 			outw(start_code[(i+j+16)/2],
 			     ioaddr+0x8000+j);
 	}
diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h
index 78952f8324e2..fa311a950996 100644
--- a/drivers/net/ehea/ehea.h
+++ b/drivers/net/ehea/ehea.h
@@ -40,7 +40,7 @@
 #include <asm/io.h>
 
 #define DRV_NAME	"ehea"
-#define DRV_VERSION	"EHEA_0101"
+#define DRV_VERSION	"EHEA_0102"
 
 /* eHEA capability flags */
 #define DLPAR_PORT_ADD_REM 1
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index e8d46cc1bec2..977c3d358279 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -1545,6 +1545,9 @@ static int ehea_clean_portres(struct ehea_port *port, struct ehea_port_res *pr)
 {
 	int ret, i;
 
+	if (pr->qp)
+		netif_napi_del(&pr->napi);
+
 	ret = ehea_destroy_qp(pr->qp);
 
 	if (!ret) {
diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index d4b98074b1b7..c9fd82d3a80d 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -285,6 +285,7 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct fec_enet_private *fep = netdev_priv(dev);
 	struct bufdesc *bdp;
+	void *bufaddr;
 	unsigned short	status;
 	unsigned long flags;
 
@@ -312,7 +313,7 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	status &= ~BD_ENET_TX_STATS;
 
 	/* Set buffer length and buffer pointer */
-	bdp->cbd_bufaddr = __pa(skb->data);
+	bufaddr = skb->data;
 	bdp->cbd_datlen = skb->len;
 
 	/*
@@ -320,11 +321,11 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	 * 4-byte boundaries. Use bounce buffers to copy data
 	 * and get it aligned. Ugh.
 	 */
-	if (bdp->cbd_bufaddr & FEC_ALIGNMENT) {
+	if (((unsigned long) bufaddr) & FEC_ALIGNMENT) {
 		unsigned int index;
 		index = bdp - fep->tx_bd_base;
 		memcpy(fep->tx_bounce[index], (void *)skb->data, skb->len);
-		bdp->cbd_bufaddr = __pa(fep->tx_bounce[index]);
+		bufaddr = fep->tx_bounce[index];
 	}
 
 	/* Save skb pointer */
@@ -336,7 +337,7 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	/* Push the data cache so the CPM does not get stale memory
 	 * data.
 	 */
-	bdp->cbd_bufaddr = dma_map_single(&dev->dev, skb->data,
+	bdp->cbd_bufaddr = dma_map_single(&dev->dev, bufaddr,
 			FEC_ENET_TX_FRSIZE, DMA_TO_DEVICE);
 
 	/* Send it on its way.  Tell FEC it's ready, interrupt when done,
diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c
index cc786333d95c..c40113f58963 100644
--- a/drivers/net/fec_mpc52xx.c
+++ b/drivers/net/fec_mpc52xx.c
@@ -309,6 +309,7 @@ static int mpc52xx_fec_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct mpc52xx_fec_priv *priv = netdev_priv(dev);
 	struct bcom_fec_bd *bd;
+	unsigned long flags;
 
 	if (bcom_queue_full(priv->tx_dmatsk)) {
 		if (net_ratelimit())
@@ -316,7 +317,7 @@ static int mpc52xx_fec_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		return NETDEV_TX_BUSY;
 	}
 
-	spin_lock_irq(&priv->lock);
+	spin_lock_irqsave(&priv->lock, flags);
 	dev->trans_start = jiffies;
 
 	bd = (struct bcom_fec_bd *)
@@ -332,7 +333,7 @@ static int mpc52xx_fec_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		netif_stop_queue(dev);
 	}
 
-	spin_unlock_irq(&priv->lock);
+	spin_unlock_irqrestore(&priv->lock, flags);
 
 	return NETDEV_TX_OK;
 }
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index f8ffcbf0bc39..e212f2c5448b 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -936,6 +936,7 @@ int startup_gfar(struct net_device *dev)
 	struct gfar __iomem *regs = priv->regs;
 	int err = 0;
 	u32 rctrl = 0;
+	u32 tctrl = 0;
 	u32 attrs = 0;
 
 	gfar_write(&regs->imask, IMASK_INIT_CLEAR);
@@ -1111,11 +1112,19 @@ int startup_gfar(struct net_device *dev)
 		rctrl |= RCTRL_PADDING(priv->padding);
 	}
 
+	/* keep vlan related bits if it's enabled */
+	if (priv->vlgrp) {
+		rctrl |= RCTRL_VLEX | RCTRL_PRSDEP_INIT;
+		tctrl |= TCTRL_VLINS;
+	}
+
 	/* Init rctrl based on our settings */
 	gfar_write(&priv->regs->rctrl, rctrl);
 
 	if (dev->features & NETIF_F_IP_CSUM)
-		gfar_write(&priv->regs->tctrl, TCTRL_INIT_CSUM);
+		tctrl |= TCTRL_INIT_CSUM;
+
+	gfar_write(&priv->regs->tctrl, tctrl);
 
 	/* Set the extraction length and index */
 	attrs = ATTRELI_EL(priv->rx_stash_size) |
@@ -1450,7 +1459,6 @@ static void gfar_vlan_rx_register(struct net_device *dev,
 
 		/* Enable VLAN tag extraction */
 		tempval = gfar_read(&priv->regs->rctrl);
-		tempval |= RCTRL_VLEX;
 		tempval |= (RCTRL_VLEX | RCTRL_PRSDEP_INIT);
 		gfar_write(&priv->regs->rctrl, tempval);
 	} else {
diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c
index dbf06e9313cc..2234118eedbb 100644
--- a/drivers/net/gianfar_ethtool.c
+++ b/drivers/net/gianfar_ethtool.c
@@ -366,9 +366,8 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
 		return -EINVAL;
 	}
 
-	priv->rxic = mk_ic_value(
-		gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs),
-		cvals->rx_max_coalesced_frames);
+	priv->rxic = mk_ic_value(cvals->rx_max_coalesced_frames,
+		gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs));
 
 	/* Set up tx coalescing */
 	if ((cvals->tx_coalesce_usecs == 0) ||
@@ -390,9 +389,8 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
 		return -EINVAL;
 	}
 
-	priv->txic = mk_ic_value(
-		gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs),
-		cvals->tx_max_coalesced_frames);
+	priv->txic = mk_ic_value(cvals->tx_max_coalesced_frames,
+		gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs));
 
 	gfar_write(&priv->regs->rxic, 0);
 	if (priv->rxcoalescing)
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index beb84213b671..f0f890803710 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -1305,6 +1305,8 @@ static int emac_close(struct net_device *ndev)
 
 	free_irq(dev->emac_irq, dev);
 
+	netif_carrier_off(ndev);
+
 	return 0;
 }
 
diff --git a/drivers/net/igbvf/vf.c b/drivers/net/igbvf/vf.c
index 2a4faf9ade69..a9a61efa964c 100644
--- a/drivers/net/igbvf/vf.c
+++ b/drivers/net/igbvf/vf.c
@@ -274,6 +274,8 @@ static s32 e1000_set_vfta_vf(struct e1000_hw *hw, u16 vid, bool set)
 
 	err = mbx->ops.read_posted(hw, msgbuf, 2);
 
+	msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS;
+
 	/* if nacked the vlan was rejected */
 	if (!err && (msgbuf[0] == (E1000_VF_SET_VLAN | E1000_VT_MSGTYPE_NACK)))
 		err = -E1000_ERR_MAC_INIT;
@@ -317,6 +319,8 @@ static void e1000_rar_set_vf(struct e1000_hw *hw, u8 * addr, u32 index)
 	if (!ret_val)
 		ret_val = mbx->ops.read_posted(hw, msgbuf, 3);
 
+	msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS;
+
 	/* if nacked the address was rejected, use "perm_addr" */
 	if (!ret_val &&
 	    (msgbuf[0] == (E1000_VF_SET_MAC_ADDR | E1000_VT_MSGTYPE_NACK)))
diff --git a/drivers/net/irda/au1k_ir.c b/drivers/net/irda/au1k_ir.c
index c4361d466597..ee1cff5c9b21 100644
--- a/drivers/net/irda/au1k_ir.c
+++ b/drivers/net/irda/au1k_ir.c
@@ -23,7 +23,6 @@
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/netdevice.h>
-#include <linux/etherdevice.h>
 #include <linux/slab.h>
 #include <linux/rtnetlink.h>
 #include <linux/interrupt.h>
@@ -205,9 +204,6 @@ static const struct net_device_ops au1k_irda_netdev_ops = {
 	.ndo_start_xmit		= au1k_irda_hard_xmit,
 	.ndo_tx_timeout		= au1k_tx_timeout,
 	.ndo_do_ioctl		= au1k_irda_ioctl,
-	.ndo_change_mtu		= eth_change_mtu,
-	.ndo_validate_addr	= eth_validate_addr,
-	.ndo_set_mac_address	= eth_mac_addr,
 };
 
 static int au1k_irda_net_init(struct net_device *dev)
diff --git a/drivers/net/irda/pxaficp_ir.c b/drivers/net/irda/pxaficp_ir.c
index 3376a4f39e0a..77d10edefd25 100644
--- a/drivers/net/irda/pxaficp_ir.c
+++ b/drivers/net/irda/pxaficp_ir.c
@@ -803,9 +803,6 @@ static const struct net_device_ops pxa_irda_netdev_ops = {
 	.ndo_stop		= pxa_irda_stop,
 	.ndo_start_xmit		= pxa_irda_hard_xmit,
 	.ndo_do_ioctl		= pxa_irda_ioctl,
-	.ndo_change_mtu		= eth_change_mtu,
-	.ndo_validate_addr	= eth_validate_addr,
-	.ndo_set_mac_address	= eth_mac_addr,
 };
 
 static int pxa_irda_probe(struct platform_device *pdev)
@@ -830,6 +827,7 @@ static int pxa_irda_probe(struct platform_device *pdev)
 	if (!dev)
 		goto err_mem_3;
 
+	SET_NETDEV_DEV(dev, &pdev->dev);
 	si = netdev_priv(dev);
 	si->dev = &pdev->dev;
 	si->pdata = pdev->dev.platform_data;
diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c
index 2aeb2e6aec1b..b039cb081e94 100644
--- a/drivers/net/irda/sa1100_ir.c
+++ b/drivers/net/irda/sa1100_ir.c
@@ -24,7 +24,6 @@
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/netdevice.h>
-#include <linux/etherdevice.h>
 #include <linux/slab.h>
 #include <linux/rtnetlink.h>
 #include <linux/interrupt.h>
@@ -881,9 +880,6 @@ static const struct net_device_ops sa1100_irda_netdev_ops = {
 	.ndo_stop		= sa1100_irda_stop,
 	.ndo_start_xmit		= sa1100_irda_hard_xmit,
 	.ndo_do_ioctl		= sa1100_irda_ioctl,
-	.ndo_change_mtu		= eth_change_mtu,
-	.ndo_validate_addr	= eth_validate_addr,
-	.ndo_set_mac_address	= eth_mac_addr,
 };
 
 static int sa1100_irda_probe(struct platform_device *pdev)
diff --git a/drivers/net/irda/w83977af_ir.c b/drivers/net/irda/w83977af_ir.c
index d0883835b0c6..fe4f2b2bff96 100644
--- a/drivers/net/irda/w83977af_ir.c
+++ b/drivers/net/irda/w83977af_ir.c
@@ -115,7 +115,7 @@ static int __init w83977af_init(void)
 
 	IRDA_DEBUG(0, "%s()\n", __func__ );
 
-	for (i=0; (io[i] < 2000) && (i < ARRAY_SIZE(dev_self)); i++) {
+	for (i=0; i < ARRAY_SIZE(dev_self) && io[i] < 2000; i++) {
 		if (w83977af_open(i, io[i], irq[i], dma[i]) == 0)
 			return 0;
 	}
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 1b12c7ba275f..2c4dc8221dcd 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -96,6 +96,8 @@
 #define IXGBE_TX_FLAGS_VLAN_PRIO_MASK   0x0000e000
 #define IXGBE_TX_FLAGS_VLAN_SHIFT	16
 
+#define IXGBE_MAX_RSC_INT_RATE          162760
+
 /* wrapper around a pointer to a socket buffer,
  * so a DMA handle can be stored along with the buffer */
 struct ixgbe_tx_buffer {
@@ -134,6 +136,8 @@ struct ixgbe_ring {
 
 	u8 queue_index; /* needed for multiqueue queue management */
 
+#define IXGBE_RING_RX_PS_ENABLED                (u8)(1)
+	u8 flags;			/* per ring feature flags */
 	u16 head;
 	u16 tail;
 
diff --git a/drivers/net/ixgbe/ixgbe_82598.c b/drivers/net/ixgbe/ixgbe_82598.c
index b9923047ce11..522c03bc1dad 100644
--- a/drivers/net/ixgbe/ixgbe_82598.c
+++ b/drivers/net/ixgbe/ixgbe_82598.c
@@ -50,6 +50,51 @@ static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset,
                                        u8 *eeprom_data);
 
 /**
+ *  ixgbe_set_pcie_completion_timeout - set pci-e completion timeout
+ *  @hw: pointer to the HW structure
+ *
+ *  The defaults for 82598 should be in the range of 50us to 50ms,
+ *  however the hardware default for these parts is 500us to 1ms which is less
+ *  than the 10ms recommended by the pci-e spec.  To address this we need to
+ *  increase the value to either 10ms to 250ms for capability version 1 config,
+ *  or 16ms to 55ms for version 2.
+ **/
+void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw)
+{
+	struct ixgbe_adapter *adapter = hw->back;
+	u32 gcr = IXGBE_READ_REG(hw, IXGBE_GCR);
+	u16 pcie_devctl2;
+
+	/* only take action if timeout value is defaulted to 0 */
+	if (gcr & IXGBE_GCR_CMPL_TMOUT_MASK)
+		goto out;
+
+	/*
+	 * if capababilities version is type 1 we can write the
+	 * timeout of 10ms to 250ms through the GCR register
+	 */
+	if (!(gcr & IXGBE_GCR_CAP_VER2)) {
+		gcr |= IXGBE_GCR_CMPL_TMOUT_10ms;
+		goto out;
+	}
+
+	/*
+	 * for version 2 capabilities we need to write the config space
+	 * directly in order to set the completion timeout value for
+	 * 16ms to 55ms
+	 */
+	pci_read_config_word(adapter->pdev,
+	                     IXGBE_PCI_DEVICE_CONTROL2, &pcie_devctl2);
+	pcie_devctl2 |= IXGBE_PCI_DEVICE_CONTROL2_16ms;
+	pci_write_config_word(adapter->pdev,
+	                      IXGBE_PCI_DEVICE_CONTROL2, pcie_devctl2);
+out:
+	/* disable completion timeout resend */
+	gcr &= ~IXGBE_GCR_CMPL_TMOUT_RESEND;
+	IXGBE_WRITE_REG(hw, IXGBE_GCR, gcr);
+}
+
+/**
  *  ixgbe_get_pcie_msix_count_82598 - Gets MSI-X vector count
  *  @hw: pointer to hardware structure
  *
@@ -153,6 +198,26 @@ out:
 }
 
 /**
+ *  ixgbe_start_hw_82598 - Prepare hardware for Tx/Rx
+ *  @hw: pointer to hardware structure
+ *
+ *  Starts the hardware using the generic start_hw function.
+ *  Then set pcie completion timeout
+ **/
+s32 ixgbe_start_hw_82598(struct ixgbe_hw *hw)
+{
+	s32 ret_val = 0;
+
+	ret_val = ixgbe_start_hw_generic(hw);
+
+	/* set the completion timeout for interface */
+	if (ret_val == 0)
+		ixgbe_set_pcie_completion_timeout(hw);
+
+	return ret_val;
+}
+
+/**
  *  ixgbe_get_link_capabilities_82598 - Determines link capabilities
  *  @hw: pointer to hardware structure
  *  @speed: pointer to link speed
@@ -1085,7 +1150,7 @@ out:
 static struct ixgbe_mac_operations mac_ops_82598 = {
 	.init_hw		= &ixgbe_init_hw_generic,
 	.reset_hw		= &ixgbe_reset_hw_82598,
-	.start_hw		= &ixgbe_start_hw_generic,
+	.start_hw		= &ixgbe_start_hw_82598,
 	.clear_hw_cntrs		= &ixgbe_clear_hw_cntrs_generic,
 	.get_media_type		= &ixgbe_get_media_type_82598,
 	.get_supported_physical_layer = &ixgbe_get_supported_physical_layer_82598,
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 2a978008fd6e..dff8dfac7ed9 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -1948,6 +1948,7 @@ static int ixgbe_set_coalesce(struct net_device *netdev,
                               struct ethtool_coalesce *ec)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
+	struct ixgbe_q_vector *q_vector;
 	int i;
 
 	if (ec->tx_max_coalesced_frames_irq)
@@ -1975,18 +1976,31 @@ static int ixgbe_set_coalesce(struct net_device *netdev,
 		 * any other value means disable eitr, which is best
 		 * served by setting the interrupt rate very high
 		 */
-		adapter->eitr_param = IXGBE_MAX_INT_RATE;
+		if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)
+			adapter->eitr_param = IXGBE_MAX_RSC_INT_RATE;
+		else
+			adapter->eitr_param = IXGBE_MAX_INT_RATE;
 		adapter->itr_setting = 0;
 	}
 
-	for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++) {
-		struct ixgbe_q_vector *q_vector = adapter->q_vector[i];
-		if (q_vector->txr_count && !q_vector->rxr_count)
-			/* tx vector gets half the rate */
-			q_vector->eitr = (adapter->eitr_param >> 1);
-		else
-			/* rx only or mixed */
-			q_vector->eitr = adapter->eitr_param;
+	/* MSI/MSIx Interrupt Mode */
+	if (adapter->flags &
+	    (IXGBE_FLAG_MSIX_ENABLED | IXGBE_FLAG_MSI_ENABLED)) {
+		int num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
+		for (i = 0; i < num_vectors; i++) {
+			q_vector = adapter->q_vector[i];
+			if (q_vector->txr_count && !q_vector->rxr_count)
+				/* tx vector gets half the rate */
+				q_vector->eitr = (adapter->eitr_param >> 1);
+			else
+				/* rx only or mixed */
+				q_vector->eitr = adapter->eitr_param;
+			ixgbe_write_eitr(q_vector);
+		}
+	/* Legacy Interrupt Mode */
+	} else {
+		q_vector = adapter->q_vector[0];
+		q_vector->eitr = adapter->eitr_param;
 		ixgbe_write_eitr(q_vector);
 	}
 
@@ -1999,13 +2013,13 @@ static int ixgbe_set_flags(struct net_device *netdev, u32 data)
 
 	ethtool_op_set_flags(netdev, data);
 
-	if (!(adapter->flags & IXGBE_FLAG2_RSC_CAPABLE))
+	if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE))
 		return 0;
 
 	/* if state changes we need to update adapter->flags and reset */
 	if ((!!(data & ETH_FLAG_LRO)) != 
-	    (!!(adapter->flags & IXGBE_FLAG2_RSC_ENABLED))) {
-		adapter->flags ^= IXGBE_FLAG2_RSC_ENABLED;
+	    (!!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED))) {
+		adapter->flags2 ^= IXGBE_FLAG2_RSC_ENABLED;
 		if (netif_running(netdev))
 			ixgbe_reinit_locked(adapter);
 		else
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c
index fa9f24e23683..28cf104e36cc 100644
--- a/drivers/net/ixgbe/ixgbe_fcoe.c
+++ b/drivers/net/ixgbe/ixgbe_fcoe.c
@@ -336,7 +336,7 @@ int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
 		/* return 0 to bypass going to ULD for DDPed data */
 		if (fcstat == IXGBE_RXDADV_STAT_FCSTAT_DDP)
 			rc = 0;
-		else
+		else if (ddp->len)
 			rc = ddp->len;
 	}
 
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 200454f30f6a..77b0381a2b5c 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -492,12 +492,12 @@ static void ixgbe_receive_skb(struct ixgbe_q_vector *q_vector,
 
 	skb_record_rx_queue(skb, ring->queue_index);
 	if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) {
-		if (adapter->vlgrp && is_vlan && (tag != 0))
+		if (adapter->vlgrp && is_vlan && (tag & VLAN_VID_MASK))
 			vlan_gro_receive(napi, adapter->vlgrp, tag, skb);
 		else
 			napi_gro_receive(napi, skb);
 	} else {
-		if (adapter->vlgrp && is_vlan && (tag != 0))
+		if (adapter->vlgrp && is_vlan && (tag & VLAN_VID_MASK))
 			vlan_hwaccel_rx(skb, adapter->vlgrp, tag);
 		else
 			netif_rx(skb);
@@ -585,7 +585,7 @@ static void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter,
 		rx_desc = IXGBE_RX_DESC_ADV(*rx_ring, i);
 
 		if (!bi->page_dma &&
-		    (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED)) {
+		    (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED)) {
 			if (!bi->page) {
 				bi->page = alloc_page(GFP_ATOMIC);
 				if (!bi->page) {
@@ -629,7 +629,7 @@ static void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter,
 		}
 		/* Refresh the desc even if buffer_addrs didn't change because
 		 * each write-back erases this info. */
-		if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
+		if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
 			rx_desc->read.pkt_addr = cpu_to_le64(bi->page_dma);
 			rx_desc->read.hdr_addr = cpu_to_le64(bi->dma);
 		} else {
@@ -726,7 +726,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 			break;
 		(*work_done)++;
 
-		if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
+		if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
 			hdr_info = le16_to_cpu(ixgbe_get_hdr_info(rx_desc));
 			len = (hdr_info & IXGBE_RXDADV_HDRBUFLEN_MASK) >>
 			       IXGBE_RXDADV_HDRBUFLEN_SHIFT;
@@ -780,7 +780,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 		prefetch(next_rxd);
 		cleaned_count++;
 
-		if (adapter->flags & IXGBE_FLAG2_RSC_CAPABLE)
+		if (adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE)
 			rsc_count = ixgbe_get_rsc_count(rx_desc);
 
 		if (rsc_count) {
@@ -798,7 +798,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 			rx_ring->stats.packets++;
 			rx_ring->stats.bytes += skb->len;
 		} else {
-			if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
+			if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
 				rx_buffer_info->skb = next_buffer->skb;
 				rx_buffer_info->dma = next_buffer->dma;
 				next_buffer->skb = skb;
@@ -1898,46 +1898,19 @@ static void ixgbe_configure_tx(struct ixgbe_adapter *adapter)
 
 #define IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT 2
 
-static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter, int index)
+static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter,
+                                   struct ixgbe_ring *rx_ring)
 {
-	struct ixgbe_ring *rx_ring;
 	u32 srrctl;
-	int queue0 = 0;
-	unsigned long mask;
+	int index;
 	struct ixgbe_ring_feature *feature = adapter->ring_feature;
 
-	if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
-		if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
-			int dcb_i = feature[RING_F_DCB].indices;
-			if (dcb_i == 8)
-				queue0 = index >> 4;
-			else if (dcb_i == 4)
-				queue0 = index >> 5;
-			else
-				dev_err(&adapter->pdev->dev, "Invalid DCB "
-				        "configuration\n");
-#ifdef IXGBE_FCOE
-			if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) {
-				struct ixgbe_ring_feature *f;
-
-				rx_ring = &adapter->rx_ring[queue0];
-				f = &adapter->ring_feature[RING_F_FCOE];
-				if ((queue0 == 0) && (index > rx_ring->reg_idx))
-					queue0 = f->mask + index -
-					         rx_ring->reg_idx - 1;
-			}
-#endif /* IXGBE_FCOE */
-		} else {
-			queue0 = index;
-		}
-	} else {
+	index = rx_ring->reg_idx;
+	if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+		unsigned long mask;
 		mask = (unsigned long) feature[RING_F_RSS].mask;
-		queue0 = index & mask;
 		index = index & mask;
 	}
-
-	rx_ring = &adapter->rx_ring[queue0];
-
 	srrctl = IXGBE_READ_REG(&adapter->hw, IXGBE_SRRCTL(index));
 
 	srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK;
@@ -1946,7 +1919,7 @@ static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter, int index)
 	srrctl |= (IXGBE_RX_HDR_SIZE << IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT) &
 		  IXGBE_SRRCTL_BSIZEHDR_MASK;
 
-	if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
+	if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
 #if (PAGE_SIZE / 2) > IXGBE_MAX_RXBUFFER
 		srrctl |= IXGBE_MAX_RXBUFFER >> IXGBE_SRRCTL_BSIZEPKT_SHIFT;
 #else
@@ -2002,6 +1975,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
 {
 	u64 rdba;
 	struct ixgbe_hw *hw = &adapter->hw;
+	struct ixgbe_ring *rx_ring;
 	struct net_device *netdev = adapter->netdev;
 	int max_frame = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
 	int i, j;
@@ -2018,11 +1992,6 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
 	/* Decide whether to use packet split mode or not */
 	adapter->flags |= IXGBE_FLAG_RX_PS_ENABLED;
 
-#ifdef IXGBE_FCOE
-	if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)
-		adapter->flags &= ~IXGBE_FLAG_RX_PS_ENABLED;
-#endif /* IXGBE_FCOE */
-
 	/* Set the RX buffer length according to the mode */
 	if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
 		rx_buf_len = IXGBE_RX_HDR_SIZE;
@@ -2036,7 +2005,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
 			IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype);
 		}
 	} else {
-		if (!(adapter->flags & IXGBE_FLAG2_RSC_ENABLED) &&
+		if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) &&
 		    (netdev->mtu <= ETH_DATA_LEN))
 			rx_buf_len = MAXIMUM_ETHERNET_VLAN_SIZE;
 		else
@@ -2070,29 +2039,35 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
 	 * the Base and Length of the Rx Descriptor Ring
 	 */
 	for (i = 0; i < adapter->num_rx_queues; i++) {
-		rdba = adapter->rx_ring[i].dma;
-		j = adapter->rx_ring[i].reg_idx;
+		rx_ring = &adapter->rx_ring[i];
+		rdba = rx_ring->dma;
+		j = rx_ring->reg_idx;
 		IXGBE_WRITE_REG(hw, IXGBE_RDBAL(j), (rdba & DMA_BIT_MASK(32)));
 		IXGBE_WRITE_REG(hw, IXGBE_RDBAH(j), (rdba >> 32));
 		IXGBE_WRITE_REG(hw, IXGBE_RDLEN(j), rdlen);
 		IXGBE_WRITE_REG(hw, IXGBE_RDH(j), 0);
 		IXGBE_WRITE_REG(hw, IXGBE_RDT(j), 0);
-		adapter->rx_ring[i].head = IXGBE_RDH(j);
-		adapter->rx_ring[i].tail = IXGBE_RDT(j);
-		adapter->rx_ring[i].rx_buf_len = rx_buf_len;
+		rx_ring->head = IXGBE_RDH(j);
+		rx_ring->tail = IXGBE_RDT(j);
+		rx_ring->rx_buf_len = rx_buf_len;
+
+		if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED)
+			rx_ring->flags |= IXGBE_RING_RX_PS_ENABLED;
 
 #ifdef IXGBE_FCOE
 		if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) {
 			struct ixgbe_ring_feature *f;
 			f = &adapter->ring_feature[RING_F_FCOE];
-			if ((rx_buf_len < IXGBE_FCOE_JUMBO_FRAME_SIZE) &&
-			    (i >= f->mask) && (i < f->mask + f->indices))
-				adapter->rx_ring[i].rx_buf_len =
-				        IXGBE_FCOE_JUMBO_FRAME_SIZE;
+			if ((i >= f->mask) && (i < f->mask + f->indices)) {
+				rx_ring->flags &= ~IXGBE_RING_RX_PS_ENABLED;
+				if (rx_buf_len < IXGBE_FCOE_JUMBO_FRAME_SIZE)
+					rx_ring->rx_buf_len =
+					        IXGBE_FCOE_JUMBO_FRAME_SIZE;
+			}
 		}
 
 #endif /* IXGBE_FCOE */
-		ixgbe_configure_srrctl(adapter, j);
+		ixgbe_configure_srrctl(adapter, rx_ring);
 	}
 
 	if (hw->mac.type == ixgbe_mac_82598EB) {
@@ -2165,10 +2140,11 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
 		IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, rdrxctl);
 	}
 
-	if (adapter->flags & IXGBE_FLAG2_RSC_ENABLED) {
+	if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
 		/* Enable 82599 HW-RSC */
 		for (i = 0; i < adapter->num_rx_queues; i++) {
-			j = adapter->rx_ring[i].reg_idx;
+			rx_ring = &adapter->rx_ring[i];
+			j = rx_ring->reg_idx;
 			rscctrl = IXGBE_READ_REG(hw, IXGBE_RSCCTL(j));
 			rscctrl |= IXGBE_RSCCTL_RSCEN;
 			/*
@@ -2176,7 +2152,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
 			 * total size of max desc * buf_len is not greater
 			 * than 65535
 			 */
-			if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
+			if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
 #if (MAX_SKB_FRAGS > 16)
 				rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
 #elif (MAX_SKB_FRAGS > 8)
@@ -3812,8 +3788,8 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter)
 		adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82598;
 	} else if (hw->mac.type == ixgbe_mac_82599EB) {
 		adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82599;
-		adapter->flags |= IXGBE_FLAG2_RSC_CAPABLE;
-		adapter->flags |= IXGBE_FLAG2_RSC_ENABLED;
+		adapter->flags2 |= IXGBE_FLAG2_RSC_CAPABLE;
+		adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
 		adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
 		adapter->ring_feature[RING_F_FDIR].indices =
 		                                         IXGBE_MAX_FDIR_INDICES;
@@ -5360,12 +5336,19 @@ static int ixgbe_del_sanmac_netdev(struct net_device *dev)
 static void ixgbe_netpoll(struct net_device *netdev)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
+	int i;
 
-	disable_irq(adapter->pdev->irq);
 	adapter->flags |= IXGBE_FLAG_IN_NETPOLL;
-	ixgbe_intr(adapter->pdev->irq, netdev);
+	if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
+		int num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
+		for (i = 0; i < num_q_vectors; i++) {
+			struct ixgbe_q_vector *q_vector = adapter->q_vector[i];
+			ixgbe_msix_clean_many(0, q_vector);
+		}
+	} else {
+		ixgbe_intr(adapter->pdev->irq, netdev);
+	}
 	adapter->flags &= ~IXGBE_FLAG_IN_NETPOLL;
-	enable_irq(adapter->pdev->irq);
 }
 #endif
 
@@ -5611,7 +5594,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 	if (pci_using_dac)
 		netdev->features |= NETIF_F_HIGHDMA;
 
-	if (adapter->flags & IXGBE_FLAG2_RSC_ENABLED)
+	if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)
 		netdev->features |= NETIF_F_LRO;
 
 	/* make sure the EEPROM is good */
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index fa87309dc087..be90eb4575f6 100644
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -718,6 +718,12 @@
 #define IXGBE_ECC_STATUS_82599  0x110E0
 #define IXGBE_BAR_CTRL_82599    0x110F4
 
+/* PCI Express Control */
+#define IXGBE_GCR_CMPL_TMOUT_MASK       0x0000F000
+#define IXGBE_GCR_CMPL_TMOUT_10ms       0x00001000
+#define IXGBE_GCR_CMPL_TMOUT_RESEND     0x00010000
+#define IXGBE_GCR_CAP_VER2              0x00040000
+
 /* Time Sync Registers */
 #define IXGBE_TSYNCRXCTL 0x05188 /* Rx Time Sync Control register - RW */
 #define IXGBE_TSYNCTXCTL 0x08C00 /* Tx Time Sync Control register - RW */
@@ -1521,6 +1527,7 @@
 
 /* PCI Bus Info */
 #define IXGBE_PCI_LINK_STATUS     0xB2
+#define IXGBE_PCI_DEVICE_CONTROL2 0xC8
 #define IXGBE_PCI_LINK_WIDTH      0x3F0
 #define IXGBE_PCI_LINK_WIDTH_1    0x10
 #define IXGBE_PCI_LINK_WIDTH_2    0x20
@@ -1531,6 +1538,7 @@
 #define IXGBE_PCI_LINK_SPEED_5000 0x2
 #define IXGBE_PCI_HEADER_TYPE_REGISTER  0x0E
 #define IXGBE_PCI_HEADER_TYPE_MULTIFUNC 0x80
+#define IXGBE_PCI_DEVICE_CONTROL2_16ms  0x0005
 
 /* Number of 100 microseconds we wait for PCI Express master disable */
 #define IXGBE_PCI_MASTER_DISABLE_TIMEOUT 800
diff --git a/drivers/net/ixp2000/ixpdev.c b/drivers/net/ixp2000/ixpdev.c
index 2a0174b62e96..92fb8235c766 100644
--- a/drivers/net/ixp2000/ixpdev.c
+++ b/drivers/net/ixp2000/ixpdev.c
@@ -41,6 +41,7 @@ static int ixpdev_xmit(struct sk_buff *skb, struct net_device *dev)
 	struct ixpdev_priv *ip = netdev_priv(dev);
 	struct ixpdev_tx_desc *desc;
 	int entry;
+	unsigned long flags;
 
 	if (unlikely(skb->len > PAGE_SIZE)) {
 		/* @@@ Count drops.  */
@@ -63,11 +64,11 @@ static int ixpdev_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	dev->trans_start = jiffies;
 
-	local_irq_disable();
+	local_irq_save(flags);
 	ip->tx_queue_entries++;
 	if (ip->tx_queue_entries == TX_BUF_COUNT_PER_CHAN)
 		netif_stop_queue(dev);
-	local_irq_enable();
+	local_irq_restore(flags);
 
 	return 0;
 }
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 5b5c25368d1e..e3601cf3f931 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -620,6 +620,7 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	dma_addr_t mapping;
 	unsigned int len, entry;
 	u32 ctrl;
+	unsigned long flags;
 
 #ifdef DEBUG
 	int i;
@@ -635,12 +636,12 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
 #endif
 
 	len = skb->len;
-	spin_lock_irq(&bp->lock);
+	spin_lock_irqsave(&bp->lock, flags);
 
 	/* This is a hard error, log it. */
 	if (TX_BUFFS_AVAIL(bp) < 1) {
 		netif_stop_queue(dev);
-		spin_unlock_irq(&bp->lock);
+		spin_unlock_irqrestore(&bp->lock, flags);
 		dev_err(&bp->pdev->dev,
 			"BUG! Tx Ring full when queue awake!\n");
 		dev_dbg(&bp->pdev->dev, "tx_head = %u, tx_tail = %u\n",
@@ -674,7 +675,7 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	if (TX_BUFFS_AVAIL(bp) < 1)
 		netif_stop_queue(dev);
 
-	spin_unlock_irq(&bp->lock);
+	spin_unlock_irqrestore(&bp->lock, flags);
 
 	dev->trans_start = jiffies;
 
diff --git a/drivers/net/mlx4/en_rx.c b/drivers/net/mlx4/en_rx.c
index 91bdfdfd431f..3ac0404d0d11 100644
--- a/drivers/net/mlx4/en_rx.c
+++ b/drivers/net/mlx4/en_rx.c
@@ -506,8 +506,9 @@ static int mlx4_en_complete_rx_desc(struct mlx4_en_priv *priv,
 				 PCI_DMA_FROMDEVICE);
 	}
 	/* Adjust size of last fragment to match actual length */
-	skb_frags_rx[nr - 1].size = length -
-		priv->frag_info[nr - 1].frag_prefix_size;
+	if (nr > 0)
+		skb_frags_rx[nr - 1].size = length -
+			priv->frag_info[nr - 1].frag_prefix_size;
 	return nr;
 
 fail:
diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
index 08c43f2ae72b..62208401c4df 100644
--- a/drivers/net/mlx4/en_tx.c
+++ b/drivers/net/mlx4/en_tx.c
@@ -249,6 +249,7 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
 				pci_unmap_page(mdev->pdev,
 					(dma_addr_t) be64_to_cpu(data->addr),
 					 frag->size, PCI_DMA_TODEVICE);
+				++data;
 			}
 		}
 		/* Stamp the freed descriptor */
@@ -436,6 +437,7 @@ static inline void mlx4_en_xmit_poll(struct mlx4_en_priv *priv, int tx_ind)
 {
 	struct mlx4_en_cq *cq = &priv->tx_cq[tx_ind];
 	struct mlx4_en_tx_ring *ring = &priv->tx_ring[tx_ind];
+	unsigned long flags;
 
 	/* If we don't have a pending timer, set one up to catch our recent
 	   post in case the interface becomes idle */
@@ -444,9 +446,9 @@ static inline void mlx4_en_xmit_poll(struct mlx4_en_priv *priv, int tx_ind)
 
 	/* Poll the CQ every mlx4_en_TX_MODER_POLL packets */
 	if ((++ring->poll_cnt & (MLX4_EN_TX_POLL_MODER - 1)) == 0)
-		if (spin_trylock_irq(&ring->comp_lock)) {
+		if (spin_trylock_irqsave(&ring->comp_lock, flags)) {
 			mlx4_en_process_tx_cq(priv->dev, cq);
-			spin_unlock_irq(&ring->comp_lock);
+			spin_unlock_irqrestore(&ring->comp_lock, flags);
 		}
 }
 
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index f86e05047d19..a9c1fcca5e75 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -1254,7 +1254,7 @@ struct netxen_adapter {
 	u8 mc_enabled;
 	u8 max_mc_count;
 	u8 rss_supported;
-	u8 resv2;
+	u8 link_changed;
 	u32 resv3;
 
 	u8 has_link_events;
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 7acf204e38c9..5d3343ef3d86 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -184,13 +184,6 @@ void netxen_free_sw_resources(struct netxen_adapter *adapter)
 	kfree(recv_ctx->rds_rings);
 
 skip_rds:
-	if (recv_ctx->sds_rings == NULL)
-		goto skip_sds;
-
-	for(ring = 0; ring < adapter->max_sds_rings; ring++)
-		recv_ctx->sds_rings[ring].consumer = 0;
-
-skip_sds:
 	if (adapter->tx_ring == NULL)
 		return;
 
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 637ac8b89bac..28f270f5ac78 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -94,10 +94,6 @@ static struct pci_device_id netxen_pci_tbl[] __devinitdata = {
 
 MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
 
-static struct workqueue_struct *netxen_workq;
-#define SCHEDULE_WORK(tp)	queue_work(netxen_workq, tp)
-#define FLUSH_SCHEDULED_WORK()	flush_workqueue(netxen_workq)
-
 static void netxen_watchdog(unsigned long);
 
 static uint32_t crb_cmd_producer[4] = {
@@ -171,6 +167,8 @@ netxen_free_sds_rings(struct netxen_recv_context *recv_ctx)
 {
 	if (recv_ctx->sds_rings != NULL)
 		kfree(recv_ctx->sds_rings);
+
+	recv_ctx->sds_rings = NULL;
 }
 
 static int
@@ -193,6 +191,21 @@ netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev)
 }
 
 static void
+netxen_napi_del(struct netxen_adapter *adapter)
+{
+	int ring;
+	struct nx_host_sds_ring *sds_ring;
+	struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
+
+	for (ring = 0; ring < adapter->max_sds_rings; ring++) {
+		sds_ring = &recv_ctx->sds_rings[ring];
+		netif_napi_del(&sds_ring->napi);
+	}
+
+	netxen_free_sds_rings(&adapter->recv_ctx);
+}
+
+static void
 netxen_napi_enable(struct netxen_adapter *adapter)
 {
 	int ring;
@@ -221,7 +234,7 @@ netxen_napi_disable(struct netxen_adapter *adapter)
 	}
 }
 
-static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id)
+static int nx_set_dma_mask(struct netxen_adapter *adapter)
 {
 	struct pci_dev *pdev = adapter->pdev;
 	uint64_t mask, cmask;
@@ -229,19 +242,17 @@ static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id)
 	adapter->pci_using_dac = 0;
 
 	mask = DMA_BIT_MASK(32);
-	/*
-	 * Consistent DMA mask is set to 32 bit because it cannot be set to
-	 * 35 bits. For P3 also leave it at 32 bits for now. Only the rings
-	 * come off this pool.
-	 */
 	cmask = DMA_BIT_MASK(32);
 
+	if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
 #ifndef CONFIG_IA64
-	if (revision_id >= NX_P3_B0)
-		mask = DMA_BIT_MASK(39);
-	else if (revision_id == NX_P2_C1)
 		mask = DMA_BIT_MASK(35);
 #endif
+	} else {
+		mask = DMA_BIT_MASK(39);
+		cmask = mask;
+	}
+
 	if (pci_set_dma_mask(pdev, mask) == 0 &&
 		pci_set_consistent_dma_mask(pdev, cmask) == 0) {
 		adapter->pci_using_dac = 1;
@@ -256,13 +267,13 @@ static int
 nx_update_dma_mask(struct netxen_adapter *adapter)
 {
 	int change, shift, err;
-	uint64_t mask, old_mask;
+	uint64_t mask, old_mask, old_cmask;
 	struct pci_dev *pdev = adapter->pdev;
 
 	change = 0;
 
 	shift = NXRD32(adapter, CRB_DMA_SHIFT);
-	if (shift >= 32)
+	if (shift > 32)
 		return 0;
 
 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9))
@@ -272,14 +283,29 @@ nx_update_dma_mask(struct netxen_adapter *adapter)
 
 	if (change) {
 		old_mask = pdev->dma_mask;
-		mask = (1ULL<<(32+shift)) - 1;
+		old_cmask = pdev->dev.coherent_dma_mask;
+
+		mask = DMA_BIT_MASK(32+shift);
 
 		err = pci_set_dma_mask(pdev, mask);
 		if (err)
-			return pci_set_dma_mask(pdev, old_mask);
+			goto err_out;
+
+		if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+
+			err = pci_set_consistent_dma_mask(pdev, mask);
+			if (err)
+				goto err_out;
+		}
+		dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift);
 	}
 
 	return 0;
+
+err_out:
+	pci_set_dma_mask(pdev, old_mask);
+	pci_set_consistent_dma_mask(pdev, old_cmask);
+	return err;
 }
 
 static void netxen_check_options(struct netxen_adapter *adapter)
@@ -867,7 +893,6 @@ netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
 	spin_unlock(&adapter->tx_clean_lock);
 
 	del_timer_sync(&adapter->watchdog_timer);
-	FLUSH_SCHEDULED_WORK();
 }
 
 
@@ -881,10 +906,12 @@ netxen_nic_attach(struct netxen_adapter *adapter)
 	struct nx_host_tx_ring *tx_ring;
 
 	err = netxen_init_firmware(adapter);
-	if (err != 0) {
-		printk(KERN_ERR "Failed to init firmware\n");
-		return -EIO;
-	}
+	if (err)
+		return err;
+
+	err = netxen_napi_add(adapter, netdev);
+	if (err)
+		return err;
 
 	if (adapter->fw_major < 4)
 		adapter->max_rds_rings = 3;
@@ -948,6 +975,7 @@ netxen_nic_detach(struct netxen_adapter *adapter)
 	netxen_free_hw_resources(adapter);
 	netxen_release_rx_buffers(adapter);
 	netxen_nic_free_irq(adapter);
+	netxen_napi_del(adapter);
 	netxen_free_sw_resources(adapter);
 
 	adapter->is_up = 0;
@@ -1006,7 +1034,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	revision_id = pdev->revision;
 	adapter->ahw.revision_id = revision_id;
 
-	err = nx_set_dma_mask(adapter, revision_id);
+	err = nx_set_dma_mask(adapter);
 	if (err)
 		goto err_out_free_netdev;
 
@@ -1092,9 +1120,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	netdev->irq = adapter->msix_entries[0].vector;
 
-	if (netxen_napi_add(adapter, netdev))
-		goto err_out_disable_msi;
-
 	init_timer(&adapter->watchdog_timer);
 	adapter->watchdog_timer.function = &netxen_watchdog;
 	adapter->watchdog_timer.data = (unsigned long)adapter;
@@ -1164,6 +1189,9 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 
 	unregister_netdev(netdev);
 
+	cancel_work_sync(&adapter->watchdog_task);
+	cancel_work_sync(&adapter->tx_timeout_task);
+
 	if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
 		netxen_nic_detach(adapter);
 	}
@@ -1172,7 +1200,6 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 		netxen_free_adapter_offload(adapter);
 
 	netxen_teardown_intr(adapter);
-	netxen_free_sds_rings(&adapter->recv_ctx);
 
 	netxen_cleanup_pci_map(adapter);
 
@@ -1198,6 +1225,9 @@ netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
 	if (netif_running(netdev))
 		netxen_nic_down(adapter, netdev);
 
+	cancel_work_sync(&adapter->watchdog_task);
+	cancel_work_sync(&adapter->tx_timeout_task);
+
 	if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
 		netxen_nic_detach(adapter);
 
@@ -1536,11 +1566,6 @@ static int netxen_nic_check_temp(struct netxen_adapter *adapter)
 		       "%s: Device temperature %d degrees C exceeds"
 		       " maximum allowed. Hardware has been shut down.\n",
 		       netdev->name, temp_val);
-
-		netif_device_detach(netdev);
-		netxen_nic_down(adapter, netdev);
-		netxen_nic_detach(adapter);
-
 		rv = 1;
 	} else if (temp_state == NX_TEMP_WARN) {
 		if (adapter->temp == NX_TEMP_NORMAL) {
@@ -1574,10 +1599,7 @@ void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
 			netif_carrier_off(netdev);
 			netif_stop_queue(netdev);
 		}
-
-		if (!adapter->has_link_events)
-			netxen_nic_set_link_parameters(adapter);
-
+		adapter->link_changed = !adapter->has_link_events;
 	} else if (!adapter->ahw.linkup && linkup) {
 		printk(KERN_INFO "%s: %s NIC Link is up\n",
 		       netxen_nic_driver_name, netdev->name);
@@ -1586,9 +1608,7 @@ void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
 			netif_carrier_on(netdev);
 			netif_wake_queue(netdev);
 		}
-
-		if (!adapter->has_link_events)
-			netxen_nic_set_link_parameters(adapter);
+		adapter->link_changed = !adapter->has_link_events;
 	}
 }
 
@@ -1615,11 +1635,36 @@ static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
 	netxen_advert_link_change(adapter, linkup);
 }
 
+static void netxen_nic_thermal_shutdown(struct netxen_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+
+	netif_device_detach(netdev);
+	netxen_nic_down(adapter, netdev);
+	netxen_nic_detach(adapter);
+}
+
 static void netxen_watchdog(unsigned long v)
 {
 	struct netxen_adapter *adapter = (struct netxen_adapter *)v;
 
-	SCHEDULE_WORK(&adapter->watchdog_task);
+	if (netxen_nic_check_temp(adapter))
+		goto do_sched;
+
+	if (!adapter->has_link_events) {
+		netxen_nic_handle_phy_intr(adapter);
+
+		if (adapter->link_changed)
+			goto do_sched;
+	}
+
+	if (netif_running(adapter->netdev))
+		mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
+
+	return;
+
+do_sched:
+	schedule_work(&adapter->watchdog_task);
 }
 
 void netxen_watchdog_task(struct work_struct *work)
@@ -1627,11 +1672,13 @@ void netxen_watchdog_task(struct work_struct *work)
 	struct netxen_adapter *adapter =
 		container_of(work, struct netxen_adapter, watchdog_task);
 
-	if (netxen_nic_check_temp(adapter))
+	if (adapter->temp == NX_TEMP_PANIC) {
+		netxen_nic_thermal_shutdown(adapter);
 		return;
+	}
 
-	if (!adapter->has_link_events)
-		netxen_nic_handle_phy_intr(adapter);
+	if (adapter->link_changed)
+		netxen_nic_set_link_parameters(adapter);
 
 	if (netif_running(adapter->netdev))
 		mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
@@ -1639,9 +1686,8 @@ void netxen_watchdog_task(struct work_struct *work)
 
 static void netxen_tx_timeout(struct net_device *netdev)
 {
-	struct netxen_adapter *adapter = (struct netxen_adapter *)
-						netdev_priv(netdev);
-	SCHEDULE_WORK(&adapter->tx_timeout_task);
+	struct netxen_adapter *adapter = netdev_priv(netdev);
+	schedule_work(&adapter->tx_timeout_task);
 }
 
 static void netxen_tx_timeout_task(struct work_struct *work)
@@ -1798,9 +1844,6 @@ static int __init netxen_init_module(void)
 {
 	printk(KERN_INFO "%s\n", netxen_nic_driver_string);
 
-	if ((netxen_workq = create_singlethread_workqueue("netxen")) == NULL)
-		return -ENOMEM;
-
 	return pci_register_driver(&netxen_driver);
 }
 
@@ -1809,7 +1852,6 @@ module_init(netxen_init_module);
 static void __exit netxen_exit_module(void)
 {
 	pci_unregister_driver(&netxen_driver);
-	destroy_workqueue(netxen_workq);
 }
 
 module_exit(netxen_exit_module);
diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c
index 28368157dac4..23e1a0750fe0 100644
--- a/drivers/net/pcnet32.c
+++ b/drivers/net/pcnet32.c
@@ -1611,8 +1611,11 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
 		if (pcnet32_dwio_read_csr(ioaddr, 0) == 4
 		    && pcnet32_dwio_check(ioaddr)) {
 			a = &pcnet32_dwio;
-		} else
+		} else {
+			if (pcnet32_debug & NETIF_MSG_PROBE)
+				printk(KERN_ERR PFX "No access methods\n");
 			goto err_release_region;
+		}
 	}
 
 	chip_version =
@@ -1719,7 +1722,9 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
 		ret = -ENOMEM;
 		goto err_release_region;
 	}
-	SET_NETDEV_DEV(dev, &pdev->dev);
+
+	if (pdev)
+		SET_NETDEV_DEV(dev, &pdev->dev);
 
 	if (pcnet32_debug & NETIF_MSG_PROBE)
 		printk(KERN_INFO PFX "%s at %#3lx,", chipname, ioaddr);
@@ -1818,7 +1823,6 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
 
 	spin_lock_init(&lp->lock);
 
-	SET_NETDEV_DEV(dev, &pdev->dev);
 	lp->name = chipname;
 	lp->shared_irq = shared;
 	lp->tx_ring_size = TX_RING_SIZE;	/* default tx ring size */
@@ -1835,7 +1839,7 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
 	lp->chip_version = chip_version;
 	lp->msg_enable = pcnet32_debug;
 	if ((cards_found >= MAX_UNITS)
-	    || (options[cards_found] > sizeof(options_mapping)))
+	    || (options[cards_found] >= sizeof(options_mapping)))
 		lp->options = PCNET32_PORT_ASEL;
 	else
 		lp->options = options_mapping[options[cards_found]];
@@ -1852,12 +1856,6 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
 	    ((cards_found >= MAX_UNITS) || full_duplex[cards_found]))
 		lp->options |= PCNET32_PORT_FD;
 
-	if (!a) {
-		if (pcnet32_debug & NETIF_MSG_PROBE)
-			printk(KERN_ERR PFX "No access methods\n");
-		ret = -ENODEV;
-		goto err_free_consistent;
-	}
 	lp->a = *a;
 
 	/* prior to register_netdev, dev->name is not yet correct */
@@ -1973,14 +1971,13 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
 
 	return 0;
 
-      err_free_ring:
+err_free_ring:
 	pcnet32_free_ring(dev);
-      err_free_consistent:
 	pci_free_consistent(lp->pci_dev, sizeof(*lp->init_block),
 			    lp->init_block, lp->init_dma_addr);
-      err_free_netdev:
+err_free_netdev:
 	free_netdev(dev);
-      err_release_region:
+err_release_region:
 	release_region(ioaddr, PCNET32_TOTAL_SIZE);
 	return ret;
 }
@@ -2089,6 +2086,7 @@ static void pcnet32_free_ring(struct net_device *dev)
 static int pcnet32_open(struct net_device *dev)
 {
 	struct pcnet32_private *lp = netdev_priv(dev);
+	struct pci_dev *pdev = lp->pci_dev;
 	unsigned long ioaddr = dev->base_addr;
 	u16 val;
 	int i;
@@ -2149,9 +2147,9 @@ static int pcnet32_open(struct net_device *dev)
 	lp->a.write_csr(ioaddr, 124, val);
 
 	/* Allied Telesyn AT 2700/2701 FX are 100Mbit only and do not negotiate */
-	if (lp->pci_dev->subsystem_vendor == PCI_VENDOR_ID_AT &&
-	    (lp->pci_dev->subsystem_device == PCI_SUBDEVICE_ID_AT_2700FX ||
-	     lp->pci_dev->subsystem_device == PCI_SUBDEVICE_ID_AT_2701FX)) {
+	if (pdev && pdev->subsystem_vendor == PCI_VENDOR_ID_AT &&
+	    (pdev->subsystem_device == PCI_SUBDEVICE_ID_AT_2700FX ||
+	     pdev->subsystem_device == PCI_SUBDEVICE_ID_AT_2701FX)) {
 		if (lp->options & PCNET32_PORT_ASEL) {
 			lp->options = PCNET32_PORT_FD | PCNET32_PORT_100;
 			if (netif_msg_link(lp))
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index 639d11bc444e..cd37d739ac74 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -1384,7 +1384,7 @@ static int ppp_mp_explode(struct ppp *ppp, struct sk_buff *skb)
 
 	/* create a	fragment for each channel */
 	bits = B;
-	while (nfree > 0 &&	len	> 0) {
+	while (len	> 0) {
 		list = list->next;
 		if (list ==	&ppp->channels)	{
 			i =	0;
@@ -1431,29 +1431,31 @@ static int ppp_mp_explode(struct ppp *ppp, struct sk_buff *skb)
 		*otherwise divide it according to the speed
 		*of the channel we are going to transmit on
 		*/
-		if (pch->speed == 0) {
-			flen = totlen/nfree	;
-			if (nbigger > 0) {
-				flen++;
-				nbigger--;
-			}
-		} else {
-			flen = (((totfree - nzero)*(totlen + hdrlen*totfree)) /
-				((totspeed*totfree)/pch->speed)) - hdrlen;
-			if (nbigger > 0) {
-				flen += ((totfree - nzero)*pch->speed)/totspeed;
-				nbigger -= ((totfree - nzero)*pch->speed)/
+		if (nfree > 0) {
+			if (pch->speed == 0) {
+				flen = totlen/nfree	;
+				if (nbigger > 0) {
+					flen++;
+					nbigger--;
+				}
+			} else {
+				flen = (((totfree - nzero)*(totlen + hdrlen*totfree)) /
+					((totspeed*totfree)/pch->speed)) - hdrlen;
+				if (nbigger > 0) {
+					flen += ((totfree - nzero)*pch->speed)/totspeed;
+					nbigger -= ((totfree - nzero)*pch->speed)/
 							totspeed;
+				}
 			}
+			nfree--;
 		}
-		nfree--;
 
 		/*
 		 *check	if we are on the last channel or
 		 *we exceded the lenght	of the data	to
 		 *fragment
 		 */
-		if ((nfree == 0) || (flen > len))
+		if ((nfree <= 0) || (flen > len))
 			flen = len;
 		/*
 		 *it is not worth to tx on slow channels:
@@ -1467,7 +1469,7 @@ static int ppp_mp_explode(struct ppp *ppp, struct sk_buff *skb)
 			continue;
 		}
 
-		mtu	= pch->chan->mtu + 2 - hdrlen;
+		mtu	= pch->chan->mtu - hdrlen;
 		if (mtu	< 4)
 			mtu	= 4;
 		if (flen > mtu)
diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index f0031f1f97e5..5f2090233d7b 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -1063,6 +1063,7 @@ static void *pppoe_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 	else {
 		int hash = hash_item(po->pppoe_pa.sid, po->pppoe_pa.remote);
 
+		po = NULL;
 		while (++hash < PPPOE_HASH_SIZE) {
 			po = pn->hash_table[hash];
 			if (po)
diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c
index e7935d09c896..e0f9219a0aea 100644
--- a/drivers/net/pppol2tp.c
+++ b/drivers/net/pppol2tp.c
@@ -2680,6 +2680,7 @@ out_unregister_pppol2tp_proto:
 static void __exit pppol2tp_exit(void)
 {
 	unregister_pppox_proto(PX_PROTO_OL2TP);
+	unregister_pernet_gen_device(pppol2tp_net_id, &pppol2tp_net_ops);
 	proto_unregister(&pppol2tp_sk_proto);
 }
 
diff --git a/drivers/net/s6gmac.c b/drivers/net/s6gmac.c
index 5345e47b35ac..4525cbe8dd69 100644
--- a/drivers/net/s6gmac.c
+++ b/drivers/net/s6gmac.c
@@ -793,7 +793,7 @@ static inline int s6gmac_phy_start(struct net_device *dev)
 	struct s6gmac *pd = netdev_priv(dev);
 	int i = 0;
 	struct phy_device *p = NULL;
-	while ((!(p = pd->mii.bus->phy_map[i])) && (i < PHY_MAX_ADDR))
+	while ((i < PHY_MAX_ADDR) && (!(p = pd->mii.bus->phy_map[i])))
 		i++;
 	p = phy_connect(dev, dev_name(&p->dev), &s6gmac_adjust_link, 0,
 			PHY_INTERFACE_MODE_RGMII);
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 3550c5dcd93c..0a551d8f5d95 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -1488,6 +1488,8 @@ static int sky2_up(struct net_device *dev)
 	sky2_set_vlan_mode(hw, port, sky2->vlgrp != NULL);
 #endif
 
+	sky2->restarting = 0;
+
 	err = sky2_rx_start(sky2);
 	if (err)
 		goto err_out;
@@ -1500,6 +1502,9 @@ static int sky2_up(struct net_device *dev)
 
 	sky2_set_multicast(dev);
 
+	/* wake queue incase we are restarting */
+	netif_wake_queue(dev);
+
 	if (netif_msg_ifup(sky2))
 		printk(KERN_INFO PFX "%s: enabling interface\n", dev->name);
 	return 0;
@@ -1533,6 +1538,8 @@ static inline int tx_dist(unsigned tail, unsigned head)
 /* Number of list elements available for next tx */
 static inline int tx_avail(const struct sky2_port *sky2)
 {
+	if (unlikely(sky2->restarting))
+		return 0;
 	return sky2->tx_pending - tx_dist(sky2->tx_cons, sky2->tx_prod);
 }
 
@@ -1818,6 +1825,10 @@ static int sky2_down(struct net_device *dev)
 	if (netif_msg_ifdown(sky2))
 		printk(KERN_INFO PFX "%s: disabling interface\n", dev->name);
 
+	/* explicitly shut off tx incase we're restarting */
+	sky2->restarting = 1;
+	netif_tx_disable(dev);
+
 	/* Force flow control off */
 	sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF);
 
@@ -2359,7 +2370,7 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last)
 {
 	struct sky2_port *sky2 = netdev_priv(dev);
 
-	if (netif_running(dev)) {
+	if (likely(netif_running(dev) && !sky2->restarting)) {
 		netif_tx_lock(dev);
 		sky2_tx_complete(sky2, last);
 		netif_tx_unlock(dev);
@@ -4283,6 +4294,7 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw,
 	spin_lock_init(&sky2->phy_lock);
 	sky2->tx_pending = TX_DEF_PENDING;
 	sky2->rx_pending = RX_DEF_PENDING;
+	sky2->restarting = 0;
 
 	hw->dev[port] = dev;
 
diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index b5549c9e5107..4486b066b43f 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -2051,6 +2051,7 @@ struct sky2_port {
 	u8		     duplex;	/* DUPLEX_HALF, DUPLEX_FULL */
 	u8		     rx_csum;
 	u8		     wol;
+	u8		     restarting;
  	enum flow_control    flow_mode;
  	enum flow_control    flow_status;
 
diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c
index 1c70e999cc50..7567f510eff5 100644
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -196,21 +196,23 @@ static void PRINT_PKT(u_char *buf, int length)
 /* this enables an interrupt in the interrupt mask register */
 #define SMC_ENABLE_INT(lp, x) do {					\
 	unsigned char mask;						\
-	spin_lock_irq(&lp->lock);					\
+	unsigned long smc_enable_flags;					\
+	spin_lock_irqsave(&lp->lock, smc_enable_flags);			\
 	mask = SMC_GET_INT_MASK(lp);					\
 	mask |= (x);							\
 	SMC_SET_INT_MASK(lp, mask);					\
-	spin_unlock_irq(&lp->lock);					\
+	spin_unlock_irqrestore(&lp->lock, smc_enable_flags);		\
 } while (0)
 
 /* this disables an interrupt from the interrupt mask register */
 #define SMC_DISABLE_INT(lp, x) do {					\
 	unsigned char mask;						\
-	spin_lock_irq(&lp->lock);					\
+	unsigned long smc_disable_flags;				\
+	spin_lock_irqsave(&lp->lock, smc_disable_flags);		\
 	mask = SMC_GET_INT_MASK(lp);					\
 	mask &= ~(x);							\
 	SMC_SET_INT_MASK(lp, mask);					\
-	spin_unlock_irq(&lp->lock);					\
+	spin_unlock_irqrestore(&lp->lock, smc_disable_flags);		\
 } while (0)
 
 /*
@@ -520,21 +522,21 @@ static inline void  smc_rcv(struct net_device *dev)
  * any other concurrent access and C would always interrupt B. But life
  * isn't that easy in a SMP world...
  */
-#define smc_special_trylock(lock)					\
+#define smc_special_trylock(lock, flags)				\
 ({									\
 	int __ret;							\
-	local_irq_disable();						\
+	local_irq_save(flags);						\
 	__ret = spin_trylock(lock);					\
 	if (!__ret)							\
-		local_irq_enable();					\
+		local_irq_restore(flags);				\
 	__ret;								\
 })
-#define smc_special_lock(lock)		spin_lock_irq(lock)
-#define smc_special_unlock(lock)	spin_unlock_irq(lock)
+#define smc_special_lock(lock, flags)		spin_lock_irqsave(lock, flags)
+#define smc_special_unlock(lock, flags) 	spin_unlock_irqrestore(lock, flags)
 #else
-#define smc_special_trylock(lock)	(1)
-#define smc_special_lock(lock)		do { } while (0)
-#define smc_special_unlock(lock)	do { } while (0)
+#define smc_special_trylock(lock, flags)	(1)
+#define smc_special_lock(lock, flags)   	do { } while (0)
+#define smc_special_unlock(lock, flags)	do { } while (0)
 #endif
 
 /*
@@ -548,10 +550,11 @@ static void smc_hardware_send_pkt(unsigned long data)
 	struct sk_buff *skb;
 	unsigned int packet_no, len;
 	unsigned char *buf;
+	unsigned long flags;
 
 	DBG(3, "%s: %s\n", dev->name, __func__);
 
-	if (!smc_special_trylock(&lp->lock)) {
+	if (!smc_special_trylock(&lp->lock, flags)) {
 		netif_stop_queue(dev);
 		tasklet_schedule(&lp->tx_task);
 		return;
@@ -559,7 +562,7 @@ static void smc_hardware_send_pkt(unsigned long data)
 
 	skb = lp->pending_tx_skb;
 	if (unlikely(!skb)) {
-		smc_special_unlock(&lp->lock);
+		smc_special_unlock(&lp->lock, flags);
 		return;
 	}
 	lp->pending_tx_skb = NULL;
@@ -569,7 +572,7 @@ static void smc_hardware_send_pkt(unsigned long data)
 		printk("%s: Memory allocation failed.\n", dev->name);
 		dev->stats.tx_errors++;
 		dev->stats.tx_fifo_errors++;
-		smc_special_unlock(&lp->lock);
+		smc_special_unlock(&lp->lock, flags);
 		goto done;
 	}
 
@@ -608,7 +611,7 @@ static void smc_hardware_send_pkt(unsigned long data)
 
 	/* queue the packet for TX */
 	SMC_SET_MMU_CMD(lp, MC_ENQUEUE);
-	smc_special_unlock(&lp->lock);
+	smc_special_unlock(&lp->lock, flags);
 
 	dev->trans_start = jiffies;
 	dev->stats.tx_packets++;
@@ -633,6 +636,7 @@ static int smc_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	struct smc_local *lp = netdev_priv(dev);
 	void __iomem *ioaddr = lp->base;
 	unsigned int numPages, poll_count, status;
+	unsigned long flags;
 
 	DBG(3, "%s: %s\n", dev->name, __func__);
 
@@ -658,7 +662,7 @@ static int smc_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		return 0;
 	}
 
-	smc_special_lock(&lp->lock);
+	smc_special_lock(&lp->lock, flags);
 
 	/* now, try to allocate the memory */
 	SMC_SET_MMU_CMD(lp, MC_ALLOC | numPages);
@@ -676,7 +680,7 @@ static int smc_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		}
    	} while (--poll_count);
 
-	smc_special_unlock(&lp->lock);
+	smc_special_unlock(&lp->lock, flags);
 
 	lp->pending_tx_skb = skb;
    	if (!poll_count) {
diff --git a/drivers/net/tulip/de4x5.c b/drivers/net/tulip/de4x5.c
index eb72d2e9ab3d..acfdccd44567 100644
--- a/drivers/net/tulip/de4x5.c
+++ b/drivers/net/tulip/de4x5.c
@@ -5059,7 +5059,7 @@ mii_get_phy(struct net_device *dev)
 	if ((id == 0) || (id == 65535)) continue;  /* Valid ID? */
 	for (j=0; j<limit; j++) {                  /* Search PHY table */
 	    if (id != phy_info[j].id) continue;    /* ID match? */
-	    for (k=0; lp->phy[k].id && (k < DE4X5_MAX_PHY); k++);
+	    for (k=0; k < DE4X5_MAX_PHY && lp->phy[k].id; k++);
 	    if (k < DE4X5_MAX_PHY) {
 		memcpy((char *)&lp->phy[k],
 		       (char *)&phy_info[j], sizeof(struct phy_table));
@@ -5072,7 +5072,7 @@ mii_get_phy(struct net_device *dev)
 	    break;
 	}
 	if ((j == limit) && (i < DE4X5_MAX_MII)) {
-	    for (k=0; lp->phy[k].id && (k < DE4X5_MAX_PHY); k++);
+	    for (k=0; k < DE4X5_MAX_PHY && lp->phy[k].id; k++);
 	    lp->phy[k].addr = i;
 	    lp->phy[k].id = id;
 	    lp->phy[k].spd.reg = GENERIC_REG;      /* ANLPA register         */
@@ -5091,7 +5091,7 @@ mii_get_phy(struct net_device *dev)
   purgatory:
     lp->active = 0;
     if (lp->phy[0].id) {                           /* Reset the PHY devices */
-	for (k=0; lp->phy[k].id && (k < DE4X5_MAX_PHY); k++) { /*For each PHY*/
+	for (k=0; k < DE4X5_MAX_PHY && lp->phy[k].id; k++) { /*For each PHY*/
 	    mii_wr(MII_CR_RST, MII_CR, lp->phy[k].addr, DE4X5_MII);
 	    while (mii_rd(MII_CR, lp->phy[k].addr, DE4X5_MII) & MII_CR_RST);
 
diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c
index 99a63649f4fc..4cf9a6588751 100644
--- a/drivers/net/tulip/tulip_core.c
+++ b/drivers/net/tulip/tulip_core.c
@@ -652,8 +652,9 @@ tulip_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	int entry;
 	u32 flag;
 	dma_addr_t mapping;
+	unsigned long flags;
 
-	spin_lock_irq(&tp->lock);
+	spin_lock_irqsave(&tp->lock, flags);
 
 	/* Calculate the next Tx descriptor entry. */
 	entry = tp->cur_tx % TX_RING_SIZE;
@@ -688,7 +689,7 @@ tulip_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	/* Trigger an immediate transmit demand. */
 	iowrite32(0, tp->base_addr + CSR1);
 
-	spin_unlock_irq(&tp->lock);
+	spin_unlock_irqrestore(&tp->lock, flags);
 
 	dev->trans_start = jiffies;
 
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 027f7aba26af..42b6c6319bc2 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1048,20 +1048,15 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
 	return err;
 }
 
-static int tun_get_iff(struct net *net, struct file *file, struct ifreq *ifr)
+static int tun_get_iff(struct net *net, struct tun_struct *tun,
+		       struct ifreq *ifr)
 {
-	struct tun_struct *tun = tun_get(file);
-
-	if (!tun)
-		return -EBADFD;
-
 	DBG(KERN_INFO "%s: tun_get_iff\n", tun->dev->name);
 
 	strcpy(ifr->ifr_name, tun->dev->name);
 
 	ifr->ifr_flags = tun_flags(tun);
 
-	tun_put(tun);
 	return 0;
 }
 
@@ -1105,8 +1100,8 @@ static int set_offload(struct net_device *dev, unsigned long arg)
 	return 0;
 }
 
-static int tun_chr_ioctl(struct inode *inode, struct file *file,
-			 unsigned int cmd, unsigned long arg)
+static long tun_chr_ioctl(struct file *file, unsigned int cmd,
+			  unsigned long arg)
 {
 	struct tun_file *tfile = file->private_data;
 	struct tun_struct *tun;
@@ -1128,34 +1123,32 @@ static int tun_chr_ioctl(struct inode *inode, struct file *file,
 				(unsigned int __user*)argp);
 	}
 
+	rtnl_lock();
+
 	tun = __tun_get(tfile);
 	if (cmd == TUNSETIFF && !tun) {
-		int err;
-
 		ifr.ifr_name[IFNAMSIZ-1] = '\0';
 
-		rtnl_lock();
-		err = tun_set_iff(tfile->net, file, &ifr);
-		rtnl_unlock();
+		ret = tun_set_iff(tfile->net, file, &ifr);
 
-		if (err)
-			return err;
+		if (ret)
+			goto unlock;
 
 		if (copy_to_user(argp, &ifr, sizeof(ifr)))
-			return -EFAULT;
-		return 0;
+			ret = -EFAULT;
+		goto unlock;
 	}
 
-
+	ret = -EBADFD;
 	if (!tun)
-		return -EBADFD;
+		goto unlock;
 
 	DBG(KERN_INFO "%s: tun_chr_ioctl cmd %d\n", tun->dev->name, cmd);
 
 	ret = 0;
 	switch (cmd) {
 	case TUNGETIFF:
-		ret = tun_get_iff(current->nsproxy->net_ns, file, &ifr);
+		ret = tun_get_iff(current->nsproxy->net_ns, tun, &ifr);
 		if (ret)
 			break;
 
@@ -1201,7 +1194,6 @@ static int tun_chr_ioctl(struct inode *inode, struct file *file,
 
 	case TUNSETLINK:
 		/* Only allow setting the type when the interface is down */
-		rtnl_lock();
 		if (tun->dev->flags & IFF_UP) {
 			DBG(KERN_INFO "%s: Linktype set failed because interface is up\n",
 				tun->dev->name);
@@ -1211,7 +1203,6 @@ static int tun_chr_ioctl(struct inode *inode, struct file *file,
 			DBG(KERN_INFO "%s: linktype set to %d\n", tun->dev->name, tun->dev->type);
 			ret = 0;
 		}
-		rtnl_unlock();
 		break;
 
 #ifdef TUN_DEBUG
@@ -1220,9 +1211,7 @@ static int tun_chr_ioctl(struct inode *inode, struct file *file,
 		break;
 #endif
 	case TUNSETOFFLOAD:
-		rtnl_lock();
 		ret = set_offload(tun->dev, arg);
-		rtnl_unlock();
 		break;
 
 	case TUNSETTXFILTER:
@@ -1230,9 +1219,7 @@ static int tun_chr_ioctl(struct inode *inode, struct file *file,
 		ret = -EINVAL;
 		if ((tun->flags & TUN_TYPE_MASK) != TUN_TAP_DEV)
 			break;
-		rtnl_lock();
 		ret = update_filter(&tun->txflt, (void __user *)arg);
-		rtnl_unlock();
 		break;
 
 	case SIOCGIFHWADDR:
@@ -1248,9 +1235,7 @@ static int tun_chr_ioctl(struct inode *inode, struct file *file,
 		DBG(KERN_DEBUG "%s: set hw address: %pM\n",
 			tun->dev->name, ifr.ifr_hwaddr.sa_data);
 
-		rtnl_lock();
 		ret = dev_set_mac_address(tun->dev, &ifr.ifr_hwaddr);
-		rtnl_unlock();
 		break;
 
 	case TUNGETSNDBUF:
@@ -1273,7 +1258,10 @@ static int tun_chr_ioctl(struct inode *inode, struct file *file,
 		break;
 	};
 
-	tun_put(tun);
+unlock:
+	rtnl_unlock();
+	if (tun)
+		tun_put(tun);
 	return ret;
 }
 
@@ -1361,7 +1349,7 @@ static const struct file_operations tun_fops = {
 	.write = do_sync_write,
 	.aio_write = tun_chr_aio_write,
 	.poll	= tun_chr_poll,
-	.ioctl	= tun_chr_ioctl,
+	.unlocked_ioctl = tun_chr_ioctl,
 	.open	= tun_chr_open,
 	.release = tun_chr_close,
 	.fasync = tun_chr_fasync
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index 3b957e6412ee..8a7b8c7bd781 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -3111,10 +3111,11 @@ static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	u8 __iomem *bd;			/* BD pointer */
 	u32 bd_status;
 	u8 txQ = 0;
+	unsigned long flags;
 
 	ugeth_vdbg("%s: IN", __func__);
 
-	spin_lock_irq(&ugeth->lock);
+	spin_lock_irqsave(&ugeth->lock, flags);
 
 	dev->stats.tx_bytes += skb->len;
 
@@ -3171,7 +3172,7 @@ static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	uccf = ugeth->uccf;
 	out_be16(uccf->p_utodr, UCC_FAST_TOD);
 #endif
-	spin_unlock_irq(&ugeth->lock);
+	spin_unlock_irqrestore(&ugeth->lock, flags);
 
 	return 0;
 }
diff --git a/drivers/net/usb/pegasus.h b/drivers/net/usb/pegasus.h
index c7467823cd1c..f968c834ff63 100644
--- a/drivers/net/usb/pegasus.h
+++ b/drivers/net/usb/pegasus.h
@@ -250,6 +250,8 @@ PEGASUS_DEV( "IO DATA USB ET/TX", VENDOR_IODATA, 0x0904,
 		DEFAULT_GPIO_RESET )
 PEGASUS_DEV( "IO DATA USB ET/TX-S", VENDOR_IODATA, 0x0913,
 		DEFAULT_GPIO_RESET | PEGASUS_II )
+PEGASUS_DEV( "IO DATA USB ETX-US2", VENDOR_IODATA, 0x092a,
+		DEFAULT_GPIO_RESET | PEGASUS_II )
 PEGASUS_DEV( "Kingston KNU101TX Ethernet", VENDOR_KINGSTON, 0x000a,
 		DEFAULT_GPIO_RESET)
 PEGASUS_DEV( "LANEED USB Ethernet LD-USB/TX", VENDOR_LANEED, 0x4002,
diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index 88c30a58b4bd..934f7671650a 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -1218,6 +1218,7 @@ static int rhine_start_tx(struct sk_buff *skb, struct net_device *dev)
 	struct rhine_private *rp = netdev_priv(dev);
 	void __iomem *ioaddr = rp->base;
 	unsigned entry;
+	unsigned long flags;
 
 	/* Caution: the write order is important here, set the field
 	   with the "ownership" bits last. */
@@ -1261,7 +1262,7 @@ static int rhine_start_tx(struct sk_buff *skb, struct net_device *dev)
 		cpu_to_le32(TXDESC | (skb->len >= ETH_ZLEN ? skb->len : ETH_ZLEN));
 
 	/* lock eth irq */
-	spin_lock_irq(&rp->lock);
+	spin_lock_irqsave(&rp->lock, flags);
 	wmb();
 	rp->tx_ring[entry].tx_status = cpu_to_le32(DescOwn);
 	wmb();
@@ -1280,7 +1281,7 @@ static int rhine_start_tx(struct sk_buff *skb, struct net_device *dev)
 
 	dev->trans_start = jiffies;
 
-	spin_unlock_irq(&rp->lock);
+	spin_unlock_irqrestore(&rp->lock, flags);
 
 	if (debug > 4) {
 		printk(KERN_DEBUG "%s: Transmit frame #%d queued in slot %d.\n",
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 3ba35956327a..cee08a1e497a 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -1778,7 +1778,7 @@ static void velocity_error(struct velocity_info *vptr, int status)
 			 *	 mode
 			 */
 			if (vptr->rev_id < REV_ID_VT3216_A0) {
-				if (vptr->mii_status | VELOCITY_DUPLEX_FULL)
+				if (vptr->mii_status & VELOCITY_DUPLEX_FULL)
 					BYTE_REG_BITS_ON(TCR_TB2BDIS, &regs->TCR);
 				else
 					BYTE_REG_BITS_OFF(TCR_TB2BDIS, &regs->TCR);
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 2a6e81d5b579..bbedf03a2124 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -70,6 +70,9 @@ struct virtnet_info
 	struct sk_buff_head recv;
 	struct sk_buff_head send;
 
+	/* Work struct for refilling if we run low on memory. */
+	struct delayed_work refill;
+
 	/* Chain pages by the private ptr. */
 	struct page *pages;
 };
@@ -273,19 +276,22 @@ drop:
 	dev_kfree_skb(skb);
 }
 
-static void try_fill_recv_maxbufs(struct virtnet_info *vi)
+static bool try_fill_recv_maxbufs(struct virtnet_info *vi, gfp_t gfp)
 {
 	struct sk_buff *skb;
 	struct scatterlist sg[2+MAX_SKB_FRAGS];
 	int num, err, i;
+	bool oom = false;
 
 	sg_init_table(sg, 2+MAX_SKB_FRAGS);
 	for (;;) {
 		struct virtio_net_hdr *hdr;
 
 		skb = netdev_alloc_skb(vi->dev, MAX_PACKET_LEN + NET_IP_ALIGN);
-		if (unlikely(!skb))
+		if (unlikely(!skb)) {
+			oom = true;
 			break;
+		}
 
 		skb_reserve(skb, NET_IP_ALIGN);
 		skb_put(skb, MAX_PACKET_LEN);
@@ -296,7 +302,7 @@ static void try_fill_recv_maxbufs(struct virtnet_info *vi)
 		if (vi->big_packets) {
 			for (i = 0; i < MAX_SKB_FRAGS; i++) {
 				skb_frag_t *f = &skb_shinfo(skb)->frags[i];
-				f->page = get_a_page(vi, GFP_ATOMIC);
+				f->page = get_a_page(vi, gfp);
 				if (!f->page)
 					break;
 
@@ -325,31 +331,35 @@ static void try_fill_recv_maxbufs(struct virtnet_info *vi)
 	if (unlikely(vi->num > vi->max))
 		vi->max = vi->num;
 	vi->rvq->vq_ops->kick(vi->rvq);
+	return !oom;
 }
 
-static void try_fill_recv(struct virtnet_info *vi)
+/* Returns false if we couldn't fill entirely (OOM). */
+static bool try_fill_recv(struct virtnet_info *vi, gfp_t gfp)
 {
 	struct sk_buff *skb;
 	struct scatterlist sg[1];
 	int err;
+	bool oom = false;
 
-	if (!vi->mergeable_rx_bufs) {
-		try_fill_recv_maxbufs(vi);
-		return;
-	}
+	if (!vi->mergeable_rx_bufs)
+		return try_fill_recv_maxbufs(vi, gfp);
 
 	for (;;) {
 		skb_frag_t *f;
 
 		skb = netdev_alloc_skb(vi->dev, GOOD_COPY_LEN + NET_IP_ALIGN);
-		if (unlikely(!skb))
+		if (unlikely(!skb)) {
+			oom = true;
 			break;
+		}
 
 		skb_reserve(skb, NET_IP_ALIGN);
 
 		f = &skb_shinfo(skb)->frags[0];
-		f->page = get_a_page(vi, GFP_ATOMIC);
+		f->page = get_a_page(vi, gfp);
 		if (!f->page) {
+			oom = true;
 			kfree_skb(skb);
 			break;
 		}
@@ -373,6 +383,7 @@ static void try_fill_recv(struct virtnet_info *vi)
 	if (unlikely(vi->num > vi->max))
 		vi->max = vi->num;
 	vi->rvq->vq_ops->kick(vi->rvq);
+	return !oom;
 }
 
 static void skb_recv_done(struct virtqueue *rvq)
@@ -385,6 +396,23 @@ static void skb_recv_done(struct virtqueue *rvq)
 	}
 }
 
+static void refill_work(struct work_struct *work)
+{
+	struct virtnet_info *vi;
+	bool still_empty;
+
+	vi = container_of(work, struct virtnet_info, refill.work);
+	napi_disable(&vi->napi);
+	try_fill_recv(vi, GFP_KERNEL);
+	still_empty = (vi->num == 0);
+	napi_enable(&vi->napi);
+
+	/* In theory, this can happen: if we don't get any buffers in
+	 * we will *never* try to fill again. */
+	if (still_empty)
+		schedule_delayed_work(&vi->refill, HZ/2);
+}
+
 static int virtnet_poll(struct napi_struct *napi, int budget)
 {
 	struct virtnet_info *vi = container_of(napi, struct virtnet_info, napi);
@@ -400,10 +428,10 @@ again:
 		received++;
 	}
 
-	/* FIXME: If we oom and completely run out of inbufs, we need
-	 * to start a timer trying to fill more. */
-	if (vi->num < vi->max / 2)
-		try_fill_recv(vi);
+	if (vi->num < vi->max / 2) {
+		if (!try_fill_recv(vi, GFP_ATOMIC))
+			schedule_delayed_work(&vi->refill, 0);
+	}
 
 	/* Out of packets? */
 	if (received < budget) {
@@ -893,6 +921,7 @@ static int virtnet_probe(struct virtio_device *vdev)
 	vi->vdev = vdev;
 	vdev->priv = vi;
 	vi->pages = NULL;
+	INIT_DELAYED_WORK(&vi->refill, refill_work);
 
 	/* If they give us a callback when all buffers are done, we don't need
 	 * the timer. */
@@ -941,7 +970,7 @@ static int virtnet_probe(struct virtio_device *vdev)
 	}
 
 	/* Last of all, set up some receive buffers. */
-	try_fill_recv(vi);
+	try_fill_recv(vi, GFP_KERNEL);
 
 	/* If we didn't even get one input buffer, we're useless. */
 	if (vi->num == 0) {
@@ -958,6 +987,7 @@ static int virtnet_probe(struct virtio_device *vdev)
 
 unregister:
 	unregister_netdev(dev);
+	cancel_delayed_work_sync(&vi->refill);
 free_vqs:
 	vdev->config->del_vqs(vdev);
 free:
@@ -986,6 +1016,7 @@ static void virtnet_remove(struct virtio_device *vdev)
 	BUG_ON(vi->num != 0);
 
 	unregister_netdev(vi->dev);
+	cancel_delayed_work_sync(&vi->refill);
 
 	vdev->config->del_vqs(vi->vdev);
 
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index c70604f0329e..8ce5e4cee168 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -5918,20 +5918,19 @@ static int airo_set_essid(struct net_device *dev,
 	readSsidRid(local, &SSID_rid);
 
 	/* Check if we asked for `any' */
-	if(dwrq->flags == 0) {
+	if (dwrq->flags == 0) {
 		/* Just send an empty SSID list */
 		memset(&SSID_rid, 0, sizeof(SSID_rid));
 	} else {
-		int	index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
+		unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
 
 		/* Check the size of the string */
-		if(dwrq->length > IW_ESSID_MAX_SIZE) {
+		if (dwrq->length > IW_ESSID_MAX_SIZE)
 			return -E2BIG ;
-		}
+
 		/* Check if index is valid */
-		if((index < 0) || (index >= 4)) {
+		if (index >= ARRAY_SIZE(SSID_rid.ssids))
 			return -EINVAL;
-		}
 
 		/* Set the SSID */
 		memset(SSID_rid.ssids[index].ssid, 0,
@@ -6819,7 +6818,7 @@ static int airo_set_txpow(struct net_device *dev,
 		return -EINVAL;
 	}
 	clear_bit (FLAG_RADIO_OFF, &local->flags);
-	for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
+	for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++)
 		if (v == cap_rid.txPowerLevels[i]) {
 			readConfigRid(local, 1);
 			local->config.txPower = v;
diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c
index 9d38cf60a0db..88c3d8573869 100644
--- a/drivers/net/wireless/ath/ar9170/main.c
+++ b/drivers/net/wireless/ath/ar9170/main.c
@@ -1967,13 +1967,14 @@ static int ar9170_conf_tx(struct ieee80211_hw *hw, u16 queue,
 	int ret;
 
 	mutex_lock(&ar->mutex);
-	if ((param) && !(queue > __AR9170_NUM_TXQ)) {
+	if (queue < __AR9170_NUM_TXQ) {
 		memcpy(&ar->edcf[ar9170_qos_hwmap[queue]],
 		       param, sizeof(*param));
 
 		ret = ar9170_set_qos(ar);
-	} else
+	} else {
 		ret = -EINVAL;
+	}
 
 	mutex_unlock(&ar->mutex);
 	return ret;
diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c
index 754b1f8d8da9..007eb85fc67e 100644
--- a/drivers/net/wireless/ath/ar9170/usb.c
+++ b/drivers/net/wireless/ath/ar9170/usb.c
@@ -598,11 +598,15 @@ static int ar9170_usb_request_firmware(struct ar9170_usb *aru)
 
 	err = request_firmware(&aru->init_values, "ar9170-1.fw",
 			       &aru->udev->dev);
+	if (err) {
+		dev_err(&aru->udev->dev, "file with init values not found.\n");
+		return err;
+	}
 
 	err = request_firmware(&aru->firmware, "ar9170-2.fw", &aru->udev->dev);
 	if (err) {
 		release_firmware(aru->init_values);
-		dev_err(&aru->udev->dev, "file with init values not found.\n");
+		dev_err(&aru->udev->dev, "firmware file not found.\n");
 		return err;
 	}
 
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c
index a2fda702b620..ce0e86c36a82 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom.c
@@ -460,7 +460,7 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
 		integer = swab32(eep->modalHeader.antCtrlCommon);
 		eep->modalHeader.antCtrlCommon = integer;
 
-		for (i = 0; i < AR5416_MAX_CHAINS; i++) {
+		for (i = 0; i < AR5416_EEP4K_MAX_CHAINS; i++) {
 			integer = swab32(eep->modalHeader.antCtrlChain[i]);
 			eep->modalHeader.antCtrlChain[i] = integer;
 		}
@@ -914,7 +914,7 @@ static void ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah,
 			ctlMode, numCtlModes, isHt40CtlMode,
 			(pCtlMode[ctlMode] & EXT_ADDITIVE));
 
-		for (i = 0; (i < AR5416_NUM_CTLS) &&
+		for (i = 0; (i < AR5416_EEP4K_NUM_CTLS) &&
 				pEepData->ctlIndex[i]; i++) {
 			DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
 				"  LOOP-Ctlidx %d: cfgCtl 0x%2.2x "
diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index 44c29b3f6728..6dcac73b4d29 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -6226,7 +6226,7 @@ static void ipw_add_scan_channels(struct ipw_priv *priv,
 			};
 
 			u8 channel;
-			while (channel_index < IPW_SCAN_CHANNELS) {
+			while (channel_index < IPW_SCAN_CHANNELS - 1) {
 				channel =
 				    priv->speed_scan[priv->speed_scan_pos];
 				if (channel == 0) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h
index fbb3a573463e..2de6471d4be9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h
@@ -112,7 +112,7 @@ enum iwl3945_antenna {
 #define IWL_TX_FIFO_NONE	7
 
 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
-#define IWL_MIN_NUM_QUEUES	4
+#define IWL39_MIN_NUM_QUEUES	4
 
 #define IEEE80211_DATA_LEN              2304
 #define IEEE80211_4ADDR_LEN             30
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 6ab07165ea28..18b135f510e5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1332,6 +1332,9 @@ int iwl_setup_mac(struct iwl_priv *priv)
 
 	hw->wiphy->custom_regulatory = true;
 
+	/* Firmware does not support this */
+	hw->wiphy->disable_beacon_hints = true;
+
 	hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
 	/* we create the 802.11 header and a zero-length SSID element */
 	hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2;
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 11e08c068917..ca00cc8ad4c7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -308,18 +308,18 @@ static ssize_t iwl_dbgfs_nvm_read(struct file *file,
 		return -ENODATA;
 	}
 
+	ptr = priv->eeprom;
+	if (!ptr) {
+		IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
+		return -ENOMEM;
+	}
+
 	/* 4 characters for byte 0xYY */
 	buf = kzalloc(buf_size, GFP_KERNEL);
 	if (!buf) {
 		IWL_ERR(priv, "Can not allocate Buffer\n");
 		return -ENOMEM;
 	}
-
-	ptr = priv->eeprom;
-	if (!ptr) {
-		IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
-		return -ENOMEM;
-	}
 	pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s\n",
 			(priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
 			? "OTP" : "EEPROM");
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index e2d620f0b6e8..650e20af20fa 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -258,8 +258,10 @@ struct iwl_channel_info {
 #define IWL_TX_FIFO_HCCA_2	6
 #define IWL_TX_FIFO_NONE	7
 
-/* Minimum number of queues. MAX_NUM is defined in hw specific files */
-#define IWL_MIN_NUM_QUEUES	4
+/* Minimum number of queues. MAX_NUM is defined in hw specific files.
+ * Set the minimum to accommodate the 4 standard TX queues, 1 command
+ * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */
+#define IWL_MIN_NUM_QUEUES	10
 
 /* Power management (not Tx power) structures */
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index 2addf735b193..ffd5c61a7553 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -566,6 +566,8 @@ int iwl_remove_default_wep_key(struct iwl_priv *priv,
 	unsigned long flags;
 
 	spin_lock_irqsave(&priv->sta_lock, flags);
+	IWL_DEBUG_WEP(priv, "Removing default WEP key: idx=%d\n",
+		      keyconf->keyidx);
 
 	if (!test_and_clear_bit(keyconf->keyidx, &priv->ucode_key_table))
 		IWL_ERR(priv, "index %d not used in uCode key table.\n",
@@ -573,6 +575,11 @@ int iwl_remove_default_wep_key(struct iwl_priv *priv,
 
 	priv->default_wep_key--;
 	memset(&priv->wep_keys[keyconf->keyidx], 0, sizeof(priv->wep_keys[0]));
+	if (iwl_is_rfkill(priv)) {
+		IWL_DEBUG_WEP(priv, "Not sending REPLY_WEPKEY command due to RFKILL.\n");
+		spin_unlock_irqrestore(&priv->sta_lock, flags);
+		return 0;
+	}
 	ret = iwl_send_static_wepkey_cmd(priv, 1);
 	IWL_DEBUG_WEP(priv, "Remove default WEP key: idx=%d ret=%d\n",
 		      keyconf->keyidx, ret);
@@ -853,6 +860,11 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv,
 	priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
 	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
 
+	if (iwl_is_rfkill(priv)) {
+		IWL_DEBUG_WEP(priv, "Not sending REPLY_ADD_STA command because RFKILL enabled. \n");
+		spin_unlock_irqrestore(&priv->sta_lock, flags);
+		return 0;
+	}
 	ret =  iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
 	return ret;
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 9bbeec9427f0..2e89040e63be 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -720,8 +720,6 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 		goto drop_unlock;
 	}
 
-	spin_unlock_irqrestore(&priv->lock, flags);
-
 	hdr_len = ieee80211_hdrlen(fc);
 
 	/* Find (or create) index into station table for destination station */
@@ -729,7 +727,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	if (sta_id == IWL_INVALID_STATION) {
 		IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n",
 			       hdr->addr1);
-		goto drop;
+		goto drop_unlock;
 	}
 
 	IWL_DEBUG_TX(priv, "station Id %d\n", sta_id);
@@ -750,14 +748,17 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 			txq_id = priv->stations[sta_id].tid[tid].agg.txq_id;
 			swq_id = iwl_virtual_agg_queue_num(swq_id, txq_id);
 		}
-		priv->stations[sta_id].tid[tid].tfds_in_queue++;
 	}
 
 	txq = &priv->txq[txq_id];
 	q = &txq->q;
 	txq->swq_id = swq_id;
 
-	spin_lock_irqsave(&priv->lock, flags);
+	if (unlikely(iwl_queue_space(q) < q->high_mark))
+		goto drop_unlock;
+
+	if (ieee80211_is_data_qos(fc))
+		priv->stations[sta_id].tid[tid].tfds_in_queue++;
 
 	/* Set up driver data for this TFD */
 	memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info));
@@ -902,7 +903,6 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 
 drop_unlock:
 	spin_unlock_irqrestore(&priv->lock, flags);
-drop:
 	return -1;
 }
 EXPORT_SYMBOL(iwl_tx_skb);
@@ -1171,6 +1171,8 @@ int iwl_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16 *ssn)
 		IWL_ERR(priv, "Start AGG on invalid station\n");
 		return -ENXIO;
 	}
+	if (unlikely(tid >= MAX_TID_COUNT))
+		return -EINVAL;
 
 	if (priv->stations[sta_id].tid[tid].agg.state != IWL_AGG_OFF) {
 		IWL_ERR(priv, "Start AGG when state is not IWL_AGG_OFF !\n");
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 956798f2c80c..523843369ca2 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -3968,6 +3968,9 @@ static int iwl3945_setup_mac(struct iwl_priv *priv)
 
 	hw->wiphy->custom_regulatory = true;
 
+	/* Firmware does not support this */
+	hw->wiphy->disable_beacon_hints = true;
+
 	hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX_3945;
 	/* we create the 802.11 header and a zero-length SSID element */
 	hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2;
@@ -4018,10 +4021,10 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
 	SET_IEEE80211_DEV(hw, &pdev->dev);
 
 	if ((iwl3945_mod_params.num_of_queues > IWL39_MAX_NUM_QUEUES) ||
-	     (iwl3945_mod_params.num_of_queues < IWL_MIN_NUM_QUEUES)) {
+	     (iwl3945_mod_params.num_of_queues < IWL39_MIN_NUM_QUEUES)) {
 		IWL_ERR(priv,
 			"invalid queues_num, should be between %d and %d\n",
-			IWL_MIN_NUM_QUEUES, IWL39_MAX_NUM_QUEUES);
+			IWL39_MIN_NUM_QUEUES, IWL39_MAX_NUM_QUEUES);
 		err = -EINVAL;
 		goto out_ieee80211_free_hw;
 	}
diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index 834a7f544e5d..e2334d123599 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -220,6 +220,7 @@ int iwm_store_rxiq_calib_result(struct iwm_priv *iwm)
 	eeprom_rxiq = iwm_eeprom_access(iwm, IWM_EEPROM_CALIB_RXIQ);
 	if (IS_ERR(eeprom_rxiq)) {
 		IWM_ERR(iwm, "Couldn't access EEPROM RX IQ entry\n");
+		kfree(rxiq);
 		return PTR_ERR(eeprom_rxiq);
 	}
 
diff --git a/drivers/net/wireless/iwmc3200wifi/netdev.c b/drivers/net/wireless/iwmc3200wifi/netdev.c
index aea5ccf24ccf..bf294e41753b 100644
--- a/drivers/net/wireless/iwmc3200wifi/netdev.c
+++ b/drivers/net/wireless/iwmc3200wifi/netdev.c
@@ -106,10 +106,8 @@ void *iwm_if_alloc(int sizeof_bus, struct device *dev,
 	int ret = 0;
 
 	wdev = iwm_wdev_alloc(sizeof_bus, dev);
-	if (!wdev) {
-		dev_err(dev, "no memory for wireless device instance\n");
-		return ERR_PTR(-ENOMEM);
-	}
+	if (IS_ERR(wdev))
+		return wdev;
 
 	iwm = wdev_to_iwm(wdev);
 	iwm->bus_ops = if_ops;
diff --git a/drivers/net/wireless/libertas/11d.c b/drivers/net/wireless/libertas/11d.c
index 9a5408e7d94a..5c6968101f0d 100644
--- a/drivers/net/wireless/libertas/11d.c
+++ b/drivers/net/wireless/libertas/11d.c
@@ -47,7 +47,7 @@ static u8 lbs_region_2_code(u8 *region)
 {
 	u8 i;
 
-	for (i = 0; region[i] && i < COUNTRY_CODE_LEN; i++)
+	for (i = 0; i < COUNTRY_CODE_LEN && region[i]; i++)
 		region[i] = toupper(region[i]);
 
 	for (i = 0; i < ARRAY_SIZE(region_code_mapping); i++) {
diff --git a/drivers/net/wireless/libertas/hostcmd.h b/drivers/net/wireless/libertas/hostcmd.h
index 0a2e29140add..c8a1998d4744 100644
--- a/drivers/net/wireless/libertas/hostcmd.h
+++ b/drivers/net/wireless/libertas/hostcmd.h
@@ -56,8 +56,8 @@ struct rxpd {
 			u8 bss_type;
 			/* BSS number */
 			u8 bss_num;
-		} bss;
-	} u;
+		} __attribute__ ((packed)) bss;
+	} __attribute__ ((packed)) u;
 
 	/* SNR */
 	u8 snr;
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index 601b54249677..6c95af3023cc 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -5,6 +5,7 @@
   *  for sending scan commands to the firmware.
   */
 #include <linux/types.h>
+#include <linux/kernel.h>
 #include <linux/etherdevice.h>
 #include <linux/if_arp.h>
 #include <asm/unaligned.h>
@@ -876,7 +877,7 @@ static inline char *lbs_translate_scan(struct lbs_private *priv,
 	iwe.u.bitrate.disabled = 0;
 	iwe.u.bitrate.value = 0;
 
-	for (j = 0; bss->rates[j] && (j < sizeof(bss->rates)); j++) {
+	for (j = 0; j < ARRAY_SIZE(bss->rates) && bss->rates[j]; j++) {
 		/* Bit rate given in 500 kb/s units */
 		iwe.u.bitrate.value = bss->rates[j] * 500000;
 		current_val = iwe_stream_add_value(info, start, current_val,
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index a263d5c84c08..83967afe0821 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -261,7 +261,7 @@ struct mwl8k_vif {
 	 */
 };
 
-#define MWL8K_VIF(_vif) (struct mwl8k_vif *)(&((_vif)->drv_priv))
+#define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv))
 
 static const struct ieee80211_channel mwl8k_channels[] = {
 	{ .center_freq = 2412, .hw_value = 1, },
@@ -1012,6 +1012,8 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
 		rmb();
 
 		skb = rxq->rx_skb[rxq->rx_head];
+		if (skb == NULL)
+			break;
 		rxq->rx_skb[rxq->rx_head] = NULL;
 
 		rxq->rx_head = (rxq->rx_head + 1) % MWL8K_RX_DESCS;
@@ -1591,6 +1593,9 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd)
 	timeout = wait_for_completion_timeout(&cmd_wait,
 				msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS));
 
+	pci_unmap_single(priv->pdev, dma_addr, dma_size,
+					PCI_DMA_BIDIRECTIONAL);
+
 	result = &cmd->result;
 	if (!timeout) {
 		spin_lock_irq(&priv->fw_lock);
@@ -1610,8 +1615,6 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd)
 			       *result);
 	}
 
-	pci_unmap_single(priv->pdev, dma_addr, dma_size,
-					PCI_DMA_BIDIRECTIONAL);
 	return rc;
 }
 
@@ -1654,18 +1657,18 @@ static int mwl8k_cmd_get_hw_spec(struct ieee80211_hw *hw)
 	memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr));
 	cmd->ps_cookie = cpu_to_le32(priv->cookie_dma);
 	cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rx_desc_dma);
-	cmd->num_tx_queues = MWL8K_TX_QUEUES;
+	cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES);
 	for (i = 0; i < MWL8K_TX_QUEUES; i++)
 		cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].tx_desc_dma);
-	cmd->num_tx_desc_per_queue = MWL8K_TX_DESCS;
-	cmd->total_rx_desc = MWL8K_RX_DESCS;
+	cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS);
+	cmd->total_rx_desc = cpu_to_le32(MWL8K_RX_DESCS);
 
 	rc = mwl8k_post_cmd(hw, &cmd->header);
 
 	if (!rc) {
 		SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr);
 		priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs);
-		priv->fw_rev = cmd->fw_rev;
+		priv->fw_rev = le32_to_cpu(cmd->fw_rev);
 		priv->hw_rev = cmd->hw_rev;
 		priv->region_code = le16_to_cpu(cmd->region_code);
 	}
@@ -3216,15 +3219,19 @@ static int mwl8k_configure_filter_wt(struct work_struct *wt)
 	struct dev_addr_list *mclist = worker->mclist;
 
 	struct mwl8k_priv *priv = hw->priv;
-	struct mwl8k_vif *mv_vif;
 	int rc = 0;
 
 	if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
 		if (*total_flags & FIF_BCN_PRBRESP_PROMISC)
 			rc = mwl8k_cmd_set_pre_scan(hw);
 		else {
-			mv_vif = MWL8K_VIF(priv->vif);
-			rc = mwl8k_cmd_set_post_scan(hw, mv_vif->bssid);
+			u8 *bssid;
+
+			bssid = "\x00\x00\x00\x00\x00\x00";
+			if (priv->vif != NULL)
+				bssid = MWL8K_VIF(priv->vif)->bssid;
+
+			rc = mwl8k_cmd_set_post_scan(hw, bssid);
 		}
 	}
 
@@ -3726,6 +3733,8 @@ static void __devexit mwl8k_remove(struct pci_dev *pdev)
 
 	ieee80211_stop_queues(hw);
 
+	ieee80211_unregister_hw(hw);
+
 	/* Remove tx reclaim tasklet */
 	tasklet_kill(&priv->tx_reclaim_task);
 
@@ -3739,8 +3748,6 @@ static void __devexit mwl8k_remove(struct pci_dev *pdev)
 	for (i = 0; i < MWL8K_TX_QUEUES; i++)
 		mwl8k_txq_reclaim(hw, i, 1);
 
-	ieee80211_unregister_hw(hw);
-
 	for (i = 0; i < MWL8K_TX_QUEUES; i++)
 		mwl8k_txq_deinit(hw, i);
 
diff --git a/drivers/net/wireless/orinoco/hw.c b/drivers/net/wireless/orinoco/hw.c
index 632fac86a308..b3946272c72e 100644
--- a/drivers/net/wireless/orinoco/hw.c
+++ b/drivers/net/wireless/orinoco/hw.c
@@ -70,7 +70,7 @@ int orinoco_hw_get_tkip_iv(struct orinoco_private *priv, int key, u8 *tsc)
 	int err = 0;
 	u8 tsc_arr[4][IW_ENCODE_SEQ_MAX_SIZE];
 
-	if ((key < 0) || (key > 4))
+	if ((key < 0) || (key >= 4))
 		return -EINVAL;
 
 	err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENT_TKIP_IV,
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index a498dde024e1..49c9e2c1433d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -849,13 +849,15 @@ struct rt2x00_dev {
 static inline void rt2x00_rf_read(struct rt2x00_dev *rt2x00dev,
 				  const unsigned int word, u32 *data)
 {
-	*data = rt2x00dev->rf[word];
+	BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
+	*data = rt2x00dev->rf[word - 1];
 }
 
 static inline void rt2x00_rf_write(struct rt2x00_dev *rt2x00dev,
 				   const unsigned int word, u32 data)
 {
-	rt2x00dev->rf[word] = data;
+	BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
+	rt2x00dev->rf[word - 1] = data;
 }
 
 /*
diff --git a/drivers/net/wireless/rtl818x/rtl8187_dev.c b/drivers/net/wireless/rtl818x/rtl8187_dev.c
index 294250e294dd..87a95588a8e3 100644
--- a/drivers/net/wireless/rtl818x/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8187_dev.c
@@ -869,6 +869,9 @@ static int rtl8187b_init_hw(struct ieee80211_hw *dev)
 	priv->aifsn[3] = 3; /* AIFSN[AC_BE] */
 	rtl818x_iowrite8(priv, &priv->map->ACM_CONTROL, 0);
 
+	/* ENEDCA flag must always be set, transmit issues? */
+	rtl818x_iowrite8(priv, &priv->map->MSR, RTL818X_MSR_ENEDCA);
+
 	return 0;
 }
 
@@ -1173,13 +1176,16 @@ static void rtl8187_bss_info_changed(struct ieee80211_hw *dev,
 			rtl818x_iowrite8(priv, &priv->map->BSSID[i],
 					 info->bssid[i]);
 
+		if (priv->is_rtl8187b)
+			reg = RTL818X_MSR_ENEDCA;
+		else
+			reg = 0;
+
 		if (is_valid_ether_addr(info->bssid)) {
-			reg = RTL818X_MSR_INFRA;
-			if (priv->is_rtl8187b)
-				reg |= RTL818X_MSR_ENEDCA;
+			reg |= RTL818X_MSR_INFRA;
 			rtl818x_iowrite8(priv, &priv->map->MSR, reg);
 		} else {
-			reg = RTL818X_MSR_NO_LINK;
+			reg |= RTL818X_MSR_NO_LINK;
 			rtl818x_iowrite8(priv, &priv->map->MSR, reg);
 		}
 
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 40b07b988224..3bd3c779fff3 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -698,7 +698,7 @@ int zd_mac_rx(struct ieee80211_hw *hw, const u8 *buffer, unsigned int length)
 			&& !mac->pass_ctrl)
 		return 0;
 
-	fc = *(__le16 *)buffer;
+	fc = get_unaligned((__le16*)buffer);
 	need_padding = ieee80211_is_data_qos(fc) ^ ieee80211_has_a4(fc);
 
 	skb = dev_alloc_skb(length + (need_padding ? 2 : 0));
diff --git a/drivers/net/yellowfin.c b/drivers/net/yellowfin.c
index a07580138e81..c2fd6187773f 100644
--- a/drivers/net/yellowfin.c
+++ b/drivers/net/yellowfin.c
@@ -346,7 +346,7 @@ static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
 static int yellowfin_open(struct net_device *dev);
 static void yellowfin_timer(unsigned long data);
 static void yellowfin_tx_timeout(struct net_device *dev);
-static void yellowfin_init_ring(struct net_device *dev);
+static int yellowfin_init_ring(struct net_device *dev);
 static int yellowfin_start_xmit(struct sk_buff *skb, struct net_device *dev);
 static irqreturn_t yellowfin_interrupt(int irq, void *dev_instance);
 static int yellowfin_rx(struct net_device *dev);
@@ -573,19 +573,24 @@ static int yellowfin_open(struct net_device *dev)
 {
 	struct yellowfin_private *yp = netdev_priv(dev);
 	void __iomem *ioaddr = yp->base;
-	int i;
+	int i, ret;
 
 	/* Reset the chip. */
 	iowrite32(0x80000000, ioaddr + DMACtrl);
 
-	i = request_irq(dev->irq, &yellowfin_interrupt, IRQF_SHARED, dev->name, dev);
-	if (i) return i;
+	ret = request_irq(dev->irq, &yellowfin_interrupt, IRQF_SHARED, dev->name, dev);
+	if (ret)
+		return ret;
 
 	if (yellowfin_debug > 1)
 		printk(KERN_DEBUG "%s: yellowfin_open() irq %d.\n",
 			   dev->name, dev->irq);
 
-	yellowfin_init_ring(dev);
+	ret = yellowfin_init_ring(dev);
+	if (ret) {
+		free_irq(dev->irq, dev);
+		return ret;
+	}
 
 	iowrite32(yp->rx_ring_dma, ioaddr + RxPtr);
 	iowrite32(yp->tx_ring_dma, ioaddr + TxPtr);
@@ -725,10 +730,10 @@ static void yellowfin_tx_timeout(struct net_device *dev)
 }
 
 /* Initialize the Rx and Tx rings, along with various 'dev' bits. */
-static void yellowfin_init_ring(struct net_device *dev)
+static int yellowfin_init_ring(struct net_device *dev)
 {
 	struct yellowfin_private *yp = netdev_priv(dev);
-	int i;
+	int i, j;
 
 	yp->tx_full = 0;
 	yp->cur_rx = yp->cur_tx = 0;
@@ -753,6 +758,11 @@ static void yellowfin_init_ring(struct net_device *dev)
 		yp->rx_ring[i].addr = cpu_to_le32(pci_map_single(yp->pci_dev,
 			skb->data, yp->rx_buf_sz, PCI_DMA_FROMDEVICE));
 	}
+	if (i != RX_RING_SIZE) {
+		for (j = 0; j < i; j++)
+			dev_kfree_skb(yp->rx_skbuff[j]);
+		return -ENOMEM;
+	}
 	yp->rx_ring[i-1].dbdma_cmd = cpu_to_le32(CMD_STOP);
 	yp->dirty_rx = (unsigned int)(i - RX_RING_SIZE);
 
@@ -769,8 +779,6 @@ static void yellowfin_init_ring(struct net_device *dev)
 	yp->tx_ring[--i].dbdma_cmd = cpu_to_le32(CMD_STOP | BRANCH_ALWAYS);
 #else
 {
-	int j;
-
 	/* Tx ring needs a pair of descriptors, the second for the status. */
 	for (i = 0; i < TX_RING_SIZE; i++) {
 		j = 2*i;
@@ -805,7 +813,7 @@ static void yellowfin_init_ring(struct net_device *dev)
 }
 #endif
 	yp->tx_tail_desc = &yp->tx_status[0];
-	return;
+	return 0;
 }
 
 static int yellowfin_start_xmit(struct sk_buff *skb, struct net_device *dev)
diff --git a/drivers/net/zorro8390.c b/drivers/net/zorro8390.c
index 37c84e3b8be0..81c753a617ab 100644
--- a/drivers/net/zorro8390.c
+++ b/drivers/net/zorro8390.c
@@ -120,6 +120,9 @@ static int __devinit zorro8390_init_one(struct zorro_dev *z,
     for (i = ARRAY_SIZE(cards)-1; i >= 0; i--)
 	if (z->id == cards[i].id)
 	    break;
+    if (i < 0)
+        return -ENODEV;
+
     board = z->resource.start;
     ioaddr = board+cards[i].offset;
     dev = alloc_ei_netdev();
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index 0f0e0b919ef4..a45b0c0d574e 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -70,7 +70,6 @@
 #undef CCIO_COLLECT_STATS
 #endif
 
-#include <linux/proc_fs.h>
 #include <asm/runway.h>		/* for proc_runway_root */
 
 #ifdef DEBUG_CCIO_INIT
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index c590974e9815..d69bde6a2343 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -614,7 +614,7 @@ dino_fixup_bus(struct pci_bus *bus)
 			    dev_name(&bus->self->dev), i,
 			    bus->self->resource[i].start,
 			    bus->self->resource[i].end);
-			pci_assign_resource(bus->self, i);
+			WARN_ON(pci_assign_resource(bus->self, i));
 			DBG("DEBUG %s after assign %d [0x%lx,0x%lx]\n",
 			    dev_name(&bus->self->dev), i,
 			    bus->self->resource[i].start,
diff --git a/drivers/parisc/eisa_eeprom.c b/drivers/parisc/eisa_eeprom.c
index 685d94e69d44..8c0b26e9b98a 100644
--- a/drivers/parisc/eisa_eeprom.c
+++ b/drivers/parisc/eisa_eeprom.c
@@ -55,7 +55,7 @@ static ssize_t eisa_eeprom_read(struct file * file,
 	ssize_t ret;
 	int i;
 	
-	if (*ppos >= HPEE_MAX_LENGTH)
+	if (*ppos < 0 || *ppos >= HPEE_MAX_LENGTH)
 		return 0;
 	
 	count = *ppos + count < HPEE_MAX_LENGTH ? count : HPEE_MAX_LENGTH - *ppos;
diff --git a/drivers/parisc/hppb.c b/drivers/parisc/hppb.c
index 13856415b432..815db175d427 100644
--- a/drivers/parisc/hppb.c
+++ b/drivers/parisc/hppb.c
@@ -62,7 +62,8 @@ static int hppb_probe(struct parisc_device *dev)
 		}
 		card = card->next;
 	}
-        printk(KERN_INFO "Found GeckoBoa at 0x%x\n", dev->hpa.start);
+	printk(KERN_INFO "Found GeckoBoa at 0x%llx\n",
+			(unsigned long long) dev->hpa.start);
 
 	card->hpa = dev->hpa.start;
 	card->mmio_region.name = "HP-PB Bus";
@@ -73,8 +74,10 @@ static int hppb_probe(struct parisc_device *dev)
 
 	status = ccio_request_resource(dev, &card->mmio_region);
 	if(status < 0) {
-		printk(KERN_ERR "%s: failed to claim HP-PB bus space (%08x, %08x)\n",
-			__FILE__, card->mmio_region.start, card->mmio_region.end);
+		printk(KERN_ERR "%s: failed to claim HP-PB "
+			"bus space (0x%08llx, 0x%08llx)\n",
+			__FILE__, (unsigned long long) card->mmio_region.start,
+			(unsigned long long) card->mmio_region.end);
 	}
 
         return 0;
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index ede614616f8e..3aeb3279c92a 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -992,7 +992,7 @@ lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev)
 		return;
 
 	io_pdc_cell = kzalloc(sizeof(pdc_pat_cell_mod_maddr_block_t), GFP_KERNEL);
-	if (!pa_pdc_cell) {
+	if (!io_pdc_cell) {
 		kfree(pa_pdc_cell);
 		return;
 	}
diff --git a/drivers/parisc/pdc_stable.c b/drivers/parisc/pdc_stable.c
index f9f9a5f1bbd0..13a64bc081b6 100644
--- a/drivers/parisc/pdc_stable.c
+++ b/drivers/parisc/pdc_stable.c
@@ -370,7 +370,7 @@ pdcspath_layer_read(struct pdcspath_entry *entry, char *buf)
 	if (!i)	/* entry is not ready */
 		return -ENODATA;
 	
-	for (i = 0; devpath->layers[i] && (likely(i < 6)); i++)
+	for (i = 0; i < 6 && devpath->layers[i]; i++)
 		out += sprintf(out, "%u ", devpath->layers[i]);
 
 	out += sprintf(out, "\n");
diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c
index a4494d78e7c2..8aebe1e9d3d6 100644
--- a/drivers/pci/hotplug/sgi_hotplug.c
+++ b/drivers/pci/hotplug/sgi_hotplug.c
@@ -90,11 +90,10 @@ static struct hotplug_slot_ops sn_hotplug_slot_ops = {
 
 static DEFINE_MUTEX(sn_hotplug_mutex);
 
-static ssize_t path_show (struct hotplug_slot *bss_hotplug_slot,
-	       		  char *buf)
+static ssize_t path_show(struct pci_slot *pci_slot, char *buf)
 {
 	int retval = -ENOENT;
-	struct slot *slot = bss_hotplug_slot->private;
+	struct slot *slot = pci_slot->hotplug->private;
 
 	if (!slot)
 		return retval;
@@ -103,7 +102,7 @@ static ssize_t path_show (struct hotplug_slot *bss_hotplug_slot,
 	return retval;
 }
 
-static struct hotplug_slot_attribute sn_slot_path_attr = __ATTR_RO(path);
+static struct pci_slot_attribute sn_slot_path_attr = __ATTR_RO(path);
 
 static int sn_pci_slot_valid(struct pci_bus *pci_bus, int device)
 {
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index ebc9b8dca881..2314ad7ee5fe 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -1505,7 +1505,6 @@ static int domain_context_mapping_one(struct dmar_domain *domain, int segment,
 			}
 
 			set_bit(num, iommu->domain_ids);
-			set_bit(iommu->seq_id, &domain->iommu_bmp);
 			iommu->domains[num] = domain;
 			id = num;
 		}
@@ -1648,6 +1647,14 @@ static int domain_context_mapped(struct pci_dev *pdev)
 					     tmp->devfn);
 }
 
+/* Returns a number of VTD pages, but aligned to MM page size */
+static inline unsigned long aligned_nrpages(unsigned long host_addr,
+					    size_t size)
+{
+	host_addr &= ~PAGE_MASK;
+	return PAGE_ALIGN(host_addr + size) >> VTD_PAGE_SHIFT;
+}
+
 static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn,
 			    struct scatterlist *sg, unsigned long phys_pfn,
 			    unsigned long nr_pages, int prot)
@@ -1675,7 +1682,7 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn,
 		uint64_t tmp;
 
 		if (!sg_res) {
-			sg_res = (sg->offset + sg->length + VTD_PAGE_SIZE - 1) >> VTD_PAGE_SHIFT;
+			sg_res = aligned_nrpages(sg->offset, sg->length);
 			sg->dma_address = ((dma_addr_t)iov_pfn << VTD_PAGE_SHIFT) + sg->offset;
 			sg->dma_length = sg->length;
 			pteval = page_to_phys(sg_page(sg)) | prot;
@@ -2415,14 +2422,6 @@ error:
 	return ret;
 }
 
-/* Returns a number of VTD pages, but aligned to MM page size */
-static inline unsigned long aligned_nrpages(unsigned long host_addr,
-					    size_t size)
-{
-	host_addr &= ~PAGE_MASK;
-	return PAGE_ALIGN(host_addr + size) >> VTD_PAGE_SHIFT;
-}
-
 /* This takes a number of _MM_ pages, not VTD pages */
 static struct iova *intel_alloc_iova(struct device *dev,
 				     struct dmar_domain *domain,
@@ -2551,6 +2550,7 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr,
 	int prot = 0;
 	int ret;
 	struct intel_iommu *iommu;
+	unsigned long paddr_pfn = paddr >> PAGE_SHIFT;
 
 	BUG_ON(dir == DMA_NONE);
 
@@ -2585,7 +2585,7 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr,
 	 * is not a big problem
 	 */
 	ret = domain_pfn_mapping(domain, mm_to_dma_pfn(iova->pfn_lo),
-				 paddr >> VTD_PAGE_SHIFT, size, prot);
+				 mm_to_dma_pfn(paddr_pfn), size, prot);
 	if (ret)
 		goto error;
 
@@ -2875,7 +2875,7 @@ static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int ne
 
 	start_vpfn = mm_to_dma_pfn(iova->pfn_lo);
 
-	ret = domain_sg_mapping(domain, start_vpfn, sglist, mm_to_dma_pfn(size), prot);
+	ret = domain_sg_mapping(domain, start_vpfn, sglist, size, prot);
 	if (unlikely(ret)) {
 		/*  clear the page */
 		dma_pte_clear_range(domain, start_vpfn,
@@ -3408,6 +3408,7 @@ static int md_domain_init(struct dmar_domain *domain, int guest_width)
 
 	domain->iommu_count = 0;
 	domain->iommu_coherency = 0;
+	domain->iommu_snooping = 0;
 	domain->max_addr = 0;
 
 	/* always allocate the top pgd */
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index d76c4c85367e..f99bc7f089f1 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -508,7 +508,7 @@ static int pci_restore_standard_config(struct pci_dev *pci_dev)
 			return error;
 	}
 
-	return pci_dev->state_saved ? pci_restore_state(pci_dev) : 0;
+	return pci_restore_state(pci_dev);
 }
 
 static void pci_pm_default_resume_noirq(struct pci_dev *pci_dev)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index dbd0f947f497..7b70312181d7 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -846,6 +846,8 @@ pci_restore_state(struct pci_dev *dev)
 	int i;
 	u32 val;
 
+	if (!dev->state_saved)
+		return 0;
 	/* PCI Express register must be restored first */
 	pci_restore_pcie_state(dev);
 
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index b711fb7181e2..1898c7b47907 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -100,16 +100,16 @@ int pci_claim_resource(struct pci_dev *dev, int resource)
 {
 	struct resource *res = &dev->resource[resource];
 	struct resource *root;
-	char *dtype = resource < PCI_BRIDGE_RESOURCES ? "device" : "bridge";
 	int err;
 
 	root = pci_find_parent_resource(dev, res);
 
 	err = -EINVAL;
 	if (root != NULL)
-		err = insert_resource(root, res);
+		err = request_resource(root, res);
 
 	if (err) {
+		const char *dtype = resource < PCI_BRIDGE_RESOURCES ? "device" : "bridge";
 		dev_err(&dev->dev, "BAR %d: %s of %s %pR\n",
 			resource,
 			root ? "address space collision on" :
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 46dad12f952f..77c6097ced80 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -277,31 +277,6 @@ config THINKPAD_ACPI_UNSAFE_LEDS
 	  Say N here, unless you are building a kernel for your own
 	  use, and need to control the important firmware LEDs.
 
-config THINKPAD_ACPI_DOCK
-	bool "Legacy Docking Station Support"
-	depends on THINKPAD_ACPI
-	depends on ACPI_DOCK=n
-	default n
-	---help---
-	  Allows the thinkpad_acpi driver to handle docking station events.
-	  This support was made obsolete by the generic ACPI docking station
-	  support (CONFIG_ACPI_DOCK).  It will allow locking and removing the
-	  laptop from the docking station, but will not properly connect PCI
-	  devices.
-
-	  If you are not sure, say N here.
-
-config THINKPAD_ACPI_BAY
-	bool "Legacy Removable Bay Support"
-	depends on THINKPAD_ACPI
-	default y
-	---help---
-	  Allows the thinkpad_acpi driver to handle removable bays.  It will
-	  electrically disable the device in the bay, and also generate
-	  notifications when the bay lever is ejected or inserted.
-
-	  If you are not sure, say Y here.
-
 config THINKPAD_ACPI_VIDEO
 	bool "Video output control support"
 	depends on THINKPAD_ACPI
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index ec560f16d720..222ffb892f22 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -143,6 +143,7 @@ struct eeepc_hotk {
 	struct rfkill *bluetooth_rfkill;
 	struct rfkill *wwan3g_rfkill;
 	struct hotplug_slot *hotplug_slot;
+	struct work_struct hotplug_work;
 };
 
 /* The actual device the driver binds to */
@@ -660,7 +661,7 @@ static int eeepc_get_adapter_status(struct hotplug_slot *hotplug_slot,
 	return 0;
 }
 
-static void eeepc_rfkill_hotplug(void)
+static void eeepc_hotplug_work(struct work_struct *work)
 {
 	struct pci_dev *dev;
 	struct pci_bus *bus = pci_find_bus(0, 1);
@@ -701,7 +702,7 @@ static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data)
 	if (event != ACPI_NOTIFY_BUS_CHECK)
 		return;
 
-	eeepc_rfkill_hotplug();
+	schedule_work(&ehotk->hotplug_work);
 }
 
 static void eeepc_hotk_notify(struct acpi_device *device, u32 event)
@@ -892,7 +893,7 @@ static int eeepc_hotk_resume(struct acpi_device *device)
 
 		rfkill_set_sw_state(ehotk->wlan_rfkill, wlan != 1);
 
-		eeepc_rfkill_hotplug();
+		schedule_work(&ehotk->hotplug_work);
 	}
 
 	if (ehotk->bluetooth_rfkill)
@@ -1093,6 +1094,8 @@ static int eeepc_rfkill_init(struct device *dev)
 {
 	int result = 0;
 
+	INIT_WORK(&ehotk->hotplug_work, eeepc_hotplug_work);
+
 	eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P6");
 	eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P7");
 
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index ca508564a181..a2ad53e15874 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -520,11 +520,13 @@ static int hp_wmi_resume_handler(struct platform_device *device)
 	 * the input layer will only actually pass it on if the state
 	 * changed.
 	 */
-
-	input_report_switch(hp_wmi_input_dev, SW_DOCK, hp_wmi_dock_state());
-	input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
-			    hp_wmi_tablet_state());
-	input_sync(hp_wmi_input_dev);
+	if (hp_wmi_input_dev) {
+		input_report_switch(hp_wmi_input_dev, SW_DOCK,
+				    hp_wmi_dock_state());
+		input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
+				    hp_wmi_tablet_state());
+		input_sync(hp_wmi_input_dev);
+	}
 
 	return 0;
 }
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index a463fd72c495..e85600852502 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -239,12 +239,6 @@ struct ibm_init_struct {
 };
 
 static struct {
-#ifdef CONFIG_THINKPAD_ACPI_BAY
-	u32 bay_status:1;
-	u32 bay_eject:1;
-	u32 bay_status2:1;
-	u32 bay_eject2:1;
-#endif
 	u32 bluetooth:1;
 	u32 hotkey:1;
 	u32 hotkey_mask:1;
@@ -589,18 +583,6 @@ static int acpi_ec_write(int i, u8 v)
 	return 1;
 }
 
-#if defined(CONFIG_THINKPAD_ACPI_DOCK) || defined(CONFIG_THINKPAD_ACPI_BAY)
-static int _sta(acpi_handle handle)
-{
-	int status;
-
-	if (!handle || !acpi_evalf(handle, &status, "_STA", "d"))
-		status = 0;
-
-	return status;
-}
-#endif
-
 static int issue_thinkpad_cmos_command(int cmos_cmd)
 {
 	if (!cmos_handle)
@@ -784,6 +766,8 @@ static int dispatch_procfs_write(struct file *file,
 
 	if (!ibm || !ibm->write)
 		return -EINVAL;
+	if (count > PAGE_SIZE - 2)
+		return -EINVAL;
 
 	kernbuf = kmalloc(count + 2, GFP_KERNEL);
 	if (!kernbuf)
@@ -4442,293 +4426,6 @@ static struct ibm_struct light_driver_data = {
 };
 
 /*************************************************************************
- * Dock subdriver
- */
-
-#ifdef CONFIG_THINKPAD_ACPI_DOCK
-
-static void dock_notify(struct ibm_struct *ibm, u32 event);
-static int dock_read(char *p);
-static int dock_write(char *buf);
-
-TPACPI_HANDLE(dock, root, "\\_SB.GDCK",	/* X30, X31, X40 */
-	   "\\_SB.PCI0.DOCK",	/* 600e/x,770e,770x,A2xm/p,T20-22,X20-21 */
-	   "\\_SB.PCI0.PCI1.DOCK",	/* all others */
-	   "\\_SB.PCI.ISA.SLCE",	/* 570 */
-    );				/* A21e,G4x,R30,R31,R32,R40,R40e,R50e */
-
-/* don't list other alternatives as we install a notify handler on the 570 */
-TPACPI_HANDLE(pci, root, "\\_SB.PCI");	/* 570 */
-
-static const struct acpi_device_id ibm_pci_device_ids[] = {
-	{PCI_ROOT_HID_STRING, 0},
-	{"", 0},
-};
-
-static struct tp_acpi_drv_struct ibm_dock_acpidriver[2] = {
-	{
-	 .notify = dock_notify,
-	 .handle = &dock_handle,
-	 .type = ACPI_SYSTEM_NOTIFY,
-	},
-	{
-	/* THIS ONE MUST NEVER BE USED FOR DRIVER AUTOLOADING.
-	 * We just use it to get notifications of dock hotplug
-	 * in very old thinkpads */
-	 .hid = ibm_pci_device_ids,
-	 .notify = dock_notify,
-	 .handle = &pci_handle,
-	 .type = ACPI_SYSTEM_NOTIFY,
-	},
-};
-
-static struct ibm_struct dock_driver_data[2] = {
-	{
-	 .name = "dock",
-	 .read = dock_read,
-	 .write = dock_write,
-	 .acpi = &ibm_dock_acpidriver[0],
-	},
-	{
-	 .name = "dock",
-	 .acpi = &ibm_dock_acpidriver[1],
-	},
-};
-
-#define dock_docked() (_sta(dock_handle) & 1)
-
-static int __init dock_init(struct ibm_init_struct *iibm)
-{
-	vdbg_printk(TPACPI_DBG_INIT, "initializing dock subdriver\n");
-
-	TPACPI_ACPIHANDLE_INIT(dock);
-
-	vdbg_printk(TPACPI_DBG_INIT, "dock is %s\n",
-		str_supported(dock_handle != NULL));
-
-	return (dock_handle)? 0 : 1;
-}
-
-static int __init dock_init2(struct ibm_init_struct *iibm)
-{
-	int dock2_needed;
-
-	vdbg_printk(TPACPI_DBG_INIT, "initializing dock subdriver part 2\n");
-
-	if (dock_driver_data[0].flags.acpi_driver_registered &&
-	    dock_driver_data[0].flags.acpi_notify_installed) {
-		TPACPI_ACPIHANDLE_INIT(pci);
-		dock2_needed = (pci_handle != NULL);
-		vdbg_printk(TPACPI_DBG_INIT,
-			    "dock PCI handler for the TP 570 is %s\n",
-			    str_supported(dock2_needed));
-	} else {
-		vdbg_printk(TPACPI_DBG_INIT,
-		"dock subdriver part 2 not required\n");
-		dock2_needed = 0;
-	}
-
-	return (dock2_needed)? 0 : 1;
-}
-
-static void dock_notify(struct ibm_struct *ibm, u32 event)
-{
-	int docked = dock_docked();
-	int pci = ibm->acpi->hid && ibm->acpi->device &&
-		acpi_match_device_ids(ibm->acpi->device, ibm_pci_device_ids);
-	int data;
-
-	if (event == 1 && !pci)	/* 570 */
-		data = 1;	/* button */
-	else if (event == 1 && pci)	/* 570 */
-		data = 3;	/* dock */
-	else if (event == 3 && docked)
-		data = 1;	/* button */
-	else if (event == 3 && !docked)
-		data = 2;	/* undock */
-	else if (event == 0 && docked)
-		data = 3;	/* dock */
-	else {
-		printk(TPACPI_ERR "unknown dock event %d, status %d\n",
-		       event, _sta(dock_handle));
-		data = 0;	/* unknown */
-	}
-	acpi_bus_generate_proc_event(ibm->acpi->device, event, data);
-	acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
-					  dev_name(&ibm->acpi->device->dev),
-					  event, data);
-}
-
-static int dock_read(char *p)
-{
-	int len = 0;
-	int docked = dock_docked();
-
-	if (!dock_handle)
-		len += sprintf(p + len, "status:\t\tnot supported\n");
-	else if (!docked)
-		len += sprintf(p + len, "status:\t\tundocked\n");
-	else {
-		len += sprintf(p + len, "status:\t\tdocked\n");
-		len += sprintf(p + len, "commands:\tdock, undock\n");
-	}
-
-	return len;
-}
-
-static int dock_write(char *buf)
-{
-	char *cmd;
-
-	if (!dock_docked())
-		return -ENODEV;
-
-	while ((cmd = next_cmd(&buf))) {
-		if (strlencmp(cmd, "undock") == 0) {
-			if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 0) ||
-			    !acpi_evalf(dock_handle, NULL, "_EJ0", "vd", 1))
-				return -EIO;
-		} else if (strlencmp(cmd, "dock") == 0) {
-			if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 1))
-				return -EIO;
-		} else
-			return -EINVAL;
-	}
-
-	return 0;
-}
-
-#endif /* CONFIG_THINKPAD_ACPI_DOCK */
-
-/*************************************************************************
- * Bay subdriver
- */
-
-#ifdef CONFIG_THINKPAD_ACPI_BAY
-
-TPACPI_HANDLE(bay, root, "\\_SB.PCI.IDE.SECN.MAST",	/* 570 */
-	   "\\_SB.PCI0.IDE0.IDES.IDSM",	/* 600e/x, 770e, 770x */
-	   "\\_SB.PCI0.SATA.SCND.MSTR",	/* T60, X60, Z60 */
-	   "\\_SB.PCI0.IDE0.SCND.MSTR",	/* all others */
-	   );				/* A21e, R30, R31 */
-TPACPI_HANDLE(bay_ej, bay, "_EJ3",	/* 600e/x, A2xm/p, A3x */
-	   "_EJ0",		/* all others */
-	   );			/* 570,A21e,G4x,R30,R31,R32,R40e,R50e */
-TPACPI_HANDLE(bay2, root, "\\_SB.PCI0.IDE0.PRIM.SLAV",	/* A3x, R32 */
-	   "\\_SB.PCI0.IDE0.IDEP.IDPS",	/* 600e/x, 770e, 770x */
-	   );				/* all others */
-TPACPI_HANDLE(bay2_ej, bay2, "_EJ3",	/* 600e/x, 770e, A3x */
-	   "_EJ0",			/* 770x */
-	   );				/* all others */
-
-static int __init bay_init(struct ibm_init_struct *iibm)
-{
-	vdbg_printk(TPACPI_DBG_INIT, "initializing bay subdriver\n");
-
-	TPACPI_ACPIHANDLE_INIT(bay);
-	if (bay_handle)
-		TPACPI_ACPIHANDLE_INIT(bay_ej);
-	TPACPI_ACPIHANDLE_INIT(bay2);
-	if (bay2_handle)
-		TPACPI_ACPIHANDLE_INIT(bay2_ej);
-
-	tp_features.bay_status = bay_handle &&
-		acpi_evalf(bay_handle, NULL, "_STA", "qv");
-	tp_features.bay_status2 = bay2_handle &&
-		acpi_evalf(bay2_handle, NULL, "_STA", "qv");
-
-	tp_features.bay_eject = bay_handle && bay_ej_handle &&
-		(strlencmp(bay_ej_path, "_EJ0") == 0 || experimental);
-	tp_features.bay_eject2 = bay2_handle && bay2_ej_handle &&
-		(strlencmp(bay2_ej_path, "_EJ0") == 0 || experimental);
-
-	vdbg_printk(TPACPI_DBG_INIT,
-		"bay 1: status %s, eject %s; bay 2: status %s, eject %s\n",
-		str_supported(tp_features.bay_status),
-		str_supported(tp_features.bay_eject),
-		str_supported(tp_features.bay_status2),
-		str_supported(tp_features.bay_eject2));
-
-	return (tp_features.bay_status || tp_features.bay_eject ||
-		tp_features.bay_status2 || tp_features.bay_eject2)? 0 : 1;
-}
-
-static void bay_notify(struct ibm_struct *ibm, u32 event)
-{
-	acpi_bus_generate_proc_event(ibm->acpi->device, event, 0);
-	acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
-					  dev_name(&ibm->acpi->device->dev),
-					  event, 0);
-}
-
-#define bay_occupied(b) (_sta(b##_handle) & 1)
-
-static int bay_read(char *p)
-{
-	int len = 0;
-	int occupied = bay_occupied(bay);
-	int occupied2 = bay_occupied(bay2);
-	int eject, eject2;
-
-	len += sprintf(p + len, "status:\t\t%s\n",
-		tp_features.bay_status ?
-			(occupied ? "occupied" : "unoccupied") :
-				"not supported");
-	if (tp_features.bay_status2)
-		len += sprintf(p + len, "status2:\t%s\n", occupied2 ?
-			       "occupied" : "unoccupied");
-
-	eject = tp_features.bay_eject && occupied;
-	eject2 = tp_features.bay_eject2 && occupied2;
-
-	if (eject && eject2)
-		len += sprintf(p + len, "commands:\teject, eject2\n");
-	else if (eject)
-		len += sprintf(p + len, "commands:\teject\n");
-	else if (eject2)
-		len += sprintf(p + len, "commands:\teject2\n");
-
-	return len;
-}
-
-static int bay_write(char *buf)
-{
-	char *cmd;
-
-	if (!tp_features.bay_eject && !tp_features.bay_eject2)
-		return -ENODEV;
-
-	while ((cmd = next_cmd(&buf))) {
-		if (tp_features.bay_eject && strlencmp(cmd, "eject") == 0) {
-			if (!acpi_evalf(bay_ej_handle, NULL, NULL, "vd", 1))
-				return -EIO;
-		} else if (tp_features.bay_eject2 &&
-			   strlencmp(cmd, "eject2") == 0) {
-			if (!acpi_evalf(bay2_ej_handle, NULL, NULL, "vd", 1))
-				return -EIO;
-		} else
-			return -EINVAL;
-	}
-
-	return 0;
-}
-
-static struct tp_acpi_drv_struct ibm_bay_acpidriver = {
-	.notify = bay_notify,
-	.handle = &bay_handle,
-	.type = ACPI_SYSTEM_NOTIFY,
-};
-
-static struct ibm_struct bay_driver_data = {
-	.name = "bay",
-	.read = bay_read,
-	.write = bay_write,
-	.acpi = &ibm_bay_acpidriver,
-};
-
-#endif /* CONFIG_THINKPAD_ACPI_BAY */
-
-/*************************************************************************
  * CMOS subdriver
  */
 
@@ -5945,14 +5642,48 @@ static struct backlight_ops ibm_backlight_data = {
 
 /* --------------------------------------------------------------------- */
 
+/*
+ * These are only useful for models that have only one possibility
+ * of GPU.  If the BIOS model handles both ATI and Intel, don't use
+ * these quirks.
+ */
+#define TPACPI_BRGHT_Q_NOEC	0x0001	/* Must NOT use EC HBRV */
+#define TPACPI_BRGHT_Q_EC	0x0002  /* Should or must use EC HBRV */
+#define TPACPI_BRGHT_Q_ASK	0x8000	/* Ask for user report */
+
+static const struct tpacpi_quirk brightness_quirk_table[] __initconst = {
+	/* Models with ATI GPUs known to require ECNVRAM mode */
+	TPACPI_Q_IBM('1', 'Y', TPACPI_BRGHT_Q_EC),	/* T43/p ATI */
+
+	/* Models with ATI GPUs (waiting confirmation) */
+	TPACPI_Q_IBM('1', 'R', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
+	TPACPI_Q_IBM('1', 'Q', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
+	TPACPI_Q_IBM('7', '6', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
+	TPACPI_Q_IBM('7', '8', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
+
+	/* Models with Intel Extreme Graphics 2 (waiting confirmation) */
+	TPACPI_Q_IBM('1', 'V', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_NOEC),
+	TPACPI_Q_IBM('1', 'W', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_NOEC),
+	TPACPI_Q_IBM('1', 'U', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_NOEC),
+
+	/* Models with Intel GMA900 */
+	TPACPI_Q_IBM('7', '0', TPACPI_BRGHT_Q_NOEC),	/* T43, R52 */
+	TPACPI_Q_IBM('7', '4', TPACPI_BRGHT_Q_NOEC),	/* X41 */
+	TPACPI_Q_IBM('7', '5', TPACPI_BRGHT_Q_NOEC),	/* X41 Tablet */
+};
+
 static int __init brightness_init(struct ibm_init_struct *iibm)
 {
 	int b;
+	unsigned long quirks;
 
 	vdbg_printk(TPACPI_DBG_INIT, "initializing brightness subdriver\n");
 
 	mutex_init(&brightness_mutex);
 
+	quirks = tpacpi_check_quirks(brightness_quirk_table,
+				ARRAY_SIZE(brightness_quirk_table));
+
 	/*
 	 * We always attempt to detect acpi support, so as to switch
 	 * Lenovo Vista BIOS to ACPI brightness mode even if we are not
@@ -6009,23 +5740,13 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
 	/* TPACPI_BRGHT_MODE_AUTO not implemented yet, just use default */
 	if (brightness_mode == TPACPI_BRGHT_MODE_AUTO ||
 	    brightness_mode == TPACPI_BRGHT_MODE_MAX) {
-		if (thinkpad_id.vendor == PCI_VENDOR_ID_IBM) {
-			/*
-			 * IBM models that define HBRV probably have
-			 * EC-based backlight level control
-			 */
-			if (acpi_evalf(ec_handle, NULL, "HBRV", "qd"))
-				/* T40-T43, R50-R52, R50e, R51e, X31-X41 */
-				brightness_mode = TPACPI_BRGHT_MODE_ECNVRAM;
-			else
-				/* all other IBM ThinkPads */
-				brightness_mode = TPACPI_BRGHT_MODE_UCMS_STEP;
-		} else
-			/* All Lenovo ThinkPads */
+		if (quirks & TPACPI_BRGHT_Q_EC)
+			brightness_mode = TPACPI_BRGHT_MODE_ECNVRAM;
+		else
 			brightness_mode = TPACPI_BRGHT_MODE_UCMS_STEP;
 
 		dbg_printk(TPACPI_DBG_BRGHT,
-			   "selected brightness_mode=%d\n",
+			   "driver auto-selected brightness_mode=%d\n",
 			   brightness_mode);
 	}
 
@@ -6052,6 +5773,15 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
 	vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_BRGHT,
 			"brightness is supported\n");
 
+	if (quirks & TPACPI_BRGHT_Q_ASK) {
+		printk(TPACPI_NOTICE
+			"brightness: will use unverified default: "
+			"brightness_mode=%d\n", brightness_mode);
+		printk(TPACPI_NOTICE
+			"brightness: please report to %s whether it works well "
+			"or not on your ThinkPad\n", TPACPI_MAIL);
+	}
+
 	ibm_backlight_device->props.max_brightness =
 				(tp_features.bright_16levels)? 15 : 7;
 	ibm_backlight_device->props.brightness = b & TP_EC_BACKLIGHT_LVLMSK;
@@ -7854,22 +7584,6 @@ static struct ibm_init_struct ibms_init[] __initdata = {
 		.init = light_init,
 		.data = &light_driver_data,
 	},
-#ifdef CONFIG_THINKPAD_ACPI_DOCK
-	{
-		.init = dock_init,
-		.data = &dock_driver_data[0],
-	},
-	{
-		.init = dock_init2,
-		.data = &dock_driver_data[1],
-	},
-#endif
-#ifdef CONFIG_THINKPAD_ACPI_BAY
-	{
-		.init = bay_init,
-		.data = &bay_driver_data,
-	},
-#endif
 	{
 		.init = cmos_init,
 		.data = &cmos_driver_data,
@@ -7968,12 +7682,6 @@ TPACPI_PARAM(hotkey);
 TPACPI_PARAM(bluetooth);
 TPACPI_PARAM(video);
 TPACPI_PARAM(light);
-#ifdef CONFIG_THINKPAD_ACPI_DOCK
-TPACPI_PARAM(dock);
-#endif
-#ifdef CONFIG_THINKPAD_ACPI_BAY
-TPACPI_PARAM(bay);
-#endif /* CONFIG_THINKPAD_ACPI_BAY */
 TPACPI_PARAM(cmos);
 TPACPI_PARAM(led);
 TPACPI_PARAM(beep);
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 81d31ea507d1..51c0a8bee414 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -335,6 +335,7 @@ static void bt_rfkill_poll(struct rfkill *rfkill, void *data)
 	if (hci_result != HCI_SUCCESS) {
 		/* Can't do anything useful */
 		mutex_unlock(&dev->mutex);
+		return;
 	}
 
 	new_rfk_state = value;
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 043b208d971d..f215a5919192 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -270,7 +270,7 @@ u32 method_id, const struct acpi_buffer *in, struct acpi_buffer *out)
 	acpi_status status;
 	struct acpi_object_list input;
 	union acpi_object params[3];
-	char method[4] = "WM";
+	char method[5] = "WM";
 
 	if (!find_guid(guid_string, &wblock))
 		return AE_ERROR;
@@ -328,8 +328,8 @@ struct acpi_buffer *out)
 	acpi_status status, wc_status = AE_ERROR;
 	struct acpi_object_list input, wc_input;
 	union acpi_object wc_params[1], wq_params[1];
-	char method[4];
-	char wc_method[4] = "WC";
+	char method[5];
+	char wc_method[5] = "WC";
 
 	if (!guid_string || !out)
 		return AE_BAD_PARAMETER;
@@ -410,7 +410,7 @@ const struct acpi_buffer *in)
 	acpi_handle handle;
 	struct acpi_object_list input;
 	union acpi_object params[2];
-	char method[4] = "WS";
+	char method[5] = "WS";
 
 	if (!guid_string || !in)
 		return AE_BAD_DATA;
diff --git a/drivers/pps/pps.c b/drivers/pps/pps.c
index ac8cc8cea1e3..fea17e7805e9 100644
--- a/drivers/pps/pps.c
+++ b/drivers/pps/pps.c
@@ -244,7 +244,7 @@ int pps_register_cdev(struct pps_device *pps)
 	}
 	pps->dev = device_create(pps_class, pps->info.dev, pps->devno, NULL,
 							"pps%d", pps->id);
-	if (err)
+	if (IS_ERR(pps->dev))
 		goto del_cdev;
 	dev_set_drvdata(pps->dev, pps);
 
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 749836668655..3f62dd50bbbe 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2135,9 +2135,9 @@ static int dasd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	struct dasd_device *base;
 
 	block = bdev->bd_disk->private_data;
-	base = block->base;
 	if (!block)
 		return -ENODEV;
+	base = block->base;
 
 	if (!base->discipline ||
 	    !base->discipline->fill_geometry)
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 3c57c1a18bb8..d593bc76afe3 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -772,10 +772,8 @@ static struct ccw_device * io_subchannel_create_ccwdev(struct subchannel *sch)
 	cdev = io_subchannel_allocate_dev(sch);
 	if (!IS_ERR(cdev)) {
 		ret = io_subchannel_initialize_dev(sch, cdev);
-		if (ret) {
-			kfree(cdev);
+		if (ret)
 			cdev = ERR_PTR(ret);
-		}
 	}
 	return cdev;
 }
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 8030e25152fb..c75d6f35cb5f 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -553,40 +553,35 @@ static void _zfcp_erp_unit_reopen_all(struct zfcp_port *port, int clear,
 		_zfcp_erp_unit_reopen(unit, clear, id, ref);
 }
 
-static void zfcp_erp_strategy_followup_actions(struct zfcp_erp_action *act)
+static void zfcp_erp_strategy_followup_failed(struct zfcp_erp_action *act)
 {
-	struct zfcp_adapter *adapter = act->adapter;
-	struct zfcp_port *port = act->port;
-	struct zfcp_unit *unit = act->unit;
-	u32 status = act->status;
-
-	/* initiate follow-up actions depending on success of finished action */
 	switch (act->action) {
-
 	case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
-		if (status == ZFCP_ERP_SUCCEEDED)
-			_zfcp_erp_port_reopen_all(adapter, 0, "ersfa_1", NULL);
-		else
-			_zfcp_erp_adapter_reopen(adapter, 0, "ersfa_2", NULL);
+		_zfcp_erp_adapter_reopen(act->adapter, 0, "ersff_1", NULL);
 		break;
-
 	case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
-		if (status == ZFCP_ERP_SUCCEEDED)
-			_zfcp_erp_port_reopen(port, 0, "ersfa_3", NULL);
-		else
-			_zfcp_erp_adapter_reopen(adapter, 0, "ersfa_4", NULL);
+		_zfcp_erp_port_forced_reopen(act->port, 0, "ersff_2", NULL);
 		break;
-
 	case ZFCP_ERP_ACTION_REOPEN_PORT:
-		if (status == ZFCP_ERP_SUCCEEDED)
-			_zfcp_erp_unit_reopen_all(port, 0, "ersfa_5", NULL);
-		else
-			_zfcp_erp_port_forced_reopen(port, 0, "ersfa_6", NULL);
+		_zfcp_erp_port_reopen(act->port, 0, "ersff_3", NULL);
 		break;
-
 	case ZFCP_ERP_ACTION_REOPEN_UNIT:
-		if (status != ZFCP_ERP_SUCCEEDED)
-			_zfcp_erp_port_reopen(unit->port, 0, "ersfa_7", NULL);
+		_zfcp_erp_unit_reopen(act->unit, 0, "ersff_4", NULL);
+		break;
+	}
+}
+
+static void zfcp_erp_strategy_followup_success(struct zfcp_erp_action *act)
+{
+	switch (act->action) {
+	case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
+		_zfcp_erp_port_reopen_all(act->adapter, 0, "ersfs_1", NULL);
+		break;
+	case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
+		_zfcp_erp_port_reopen(act->port, 0, "ersfs_2", NULL);
+		break;
+	case ZFCP_ERP_ACTION_REOPEN_PORT:
+		_zfcp_erp_unit_reopen_all(act->port, 0, "ersfs_3", NULL);
 		break;
 	}
 }
@@ -801,7 +796,7 @@ static int zfcp_erp_port_forced_strategy(struct zfcp_erp_action *erp_action)
 			return ZFCP_ERP_FAILED;
 
 	case ZFCP_ERP_STEP_PHYS_PORT_CLOSING:
-		if (status & ZFCP_STATUS_PORT_PHYS_OPEN)
+		if (!(status & ZFCP_STATUS_PORT_PHYS_OPEN))
 			return ZFCP_ERP_SUCCEEDED;
 	}
 	return ZFCP_ERP_FAILED;
@@ -853,11 +848,17 @@ void zfcp_erp_port_strategy_open_lookup(struct work_struct *work)
 					      gid_pn_work);
 
 	retval = zfcp_fc_ns_gid_pn(&port->erp_action);
-	if (retval == -ENOMEM)
-		zfcp_erp_notify(&port->erp_action, ZFCP_ERP_NOMEM);
-	port->erp_action.step = ZFCP_ERP_STEP_NAMESERVER_LOOKUP;
-	if (retval)
-		zfcp_erp_notify(&port->erp_action, ZFCP_ERP_FAILED);
+	if (!retval) {
+		port->erp_action.step = ZFCP_ERP_STEP_NAMESERVER_LOOKUP;
+		goto out;
+	}
+	if (retval == -ENOMEM) {
+		zfcp_erp_notify(&port->erp_action, ZFCP_STATUS_ERP_LOWMEM);
+		goto out;
+	}
+	/* all other error condtions */
+	zfcp_erp_notify(&port->erp_action, 0);
+out:
 	zfcp_port_put(port);
 }
 
@@ -1289,7 +1290,10 @@ static int zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
 	retval = zfcp_erp_strategy_statechange(erp_action, retval);
 	if (retval == ZFCP_ERP_EXIT)
 		goto unlock;
-	zfcp_erp_strategy_followup_actions(erp_action);
+	if (retval == ZFCP_ERP_SUCCEEDED)
+		zfcp_erp_strategy_followup_success(erp_action);
+	if (retval == ZFCP_ERP_FAILED)
+		zfcp_erp_strategy_followup_failed(erp_action);
 
  unlock:
 	write_unlock(&adapter->erp_lock);
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 2f0705d76b72..47daebfa7e59 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -79,11 +79,9 @@ static int zfcp_wka_port_get(struct zfcp_wka_port *wka_port)
 
 	mutex_unlock(&wka_port->mutex);
 
-	wait_event_timeout(
-		wka_port->completion_wq,
-		wka_port->status == ZFCP_WKA_PORT_ONLINE ||
-		wka_port->status == ZFCP_WKA_PORT_OFFLINE,
-		HZ >> 1);
+	wait_event(wka_port->completion_wq,
+		   wka_port->status == ZFCP_WKA_PORT_ONLINE ||
+		   wka_port->status == ZFCP_WKA_PORT_OFFLINE);
 
 	if (wka_port->status == ZFCP_WKA_PORT_ONLINE) {
 		atomic_inc(&wka_port->refcount);
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index c57658f3d34f..47795fbf081f 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -670,8 +670,11 @@ static int zfcp_fsf_req_sbal_get(struct zfcp_adapter *adapter)
 			       zfcp_fsf_sbal_check(adapter), 5 * HZ);
 	if (ret > 0)
 		return 0;
-	if (!ret)
+	if (!ret) {
 		atomic_inc(&adapter->qdio_outb_full);
+		/* assume hanging outbound queue, try queue recovery */
+		zfcp_erp_adapter_reopen(adapter, 0, "fsrsg_1", NULL);
+	}
 
 	spin_lock_bh(&adapter->req_q_lock);
 	return -EIO;
@@ -722,7 +725,7 @@ static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_adapter *adapter,
 		req = zfcp_fsf_alloc_qtcb(pool);
 
 	if (unlikely(!req))
-		return ERR_PTR(-EIO);
+		return ERR_PTR(-ENOMEM);
 
 	if (adapter->req_no == 0)
 		adapter->req_no++;
@@ -1010,6 +1013,23 @@ skip_fsfstatus:
 		send_ct->handler(send_ct->handler_data);
 }
 
+static void zfcp_fsf_setup_ct_els_unchained(struct qdio_buffer_element *sbale,
+					    struct scatterlist *sg_req,
+					    struct scatterlist *sg_resp)
+{
+	sbale[0].flags |= SBAL_FLAGS0_TYPE_WRITE_READ;
+	sbale[2].addr   = sg_virt(sg_req);
+	sbale[2].length = sg_req->length;
+	sbale[3].addr   = sg_virt(sg_resp);
+	sbale[3].length = sg_resp->length;
+	sbale[3].flags |= SBAL_FLAGS_LAST_ENTRY;
+}
+
+static int zfcp_fsf_one_sbal(struct scatterlist *sg)
+{
+	return sg_is_last(sg) && sg->length <= PAGE_SIZE;
+}
+
 static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req,
 				       struct scatterlist *sg_req,
 				       struct scatterlist *sg_resp,
@@ -1020,30 +1040,30 @@ static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req,
 	int bytes;
 
 	if (!(feat & FSF_FEATURE_ELS_CT_CHAINED_SBALS)) {
-		if (sg_req->length > PAGE_SIZE || sg_resp->length > PAGE_SIZE ||
-		    !sg_is_last(sg_req) || !sg_is_last(sg_resp))
+		if (!zfcp_fsf_one_sbal(sg_req) || !zfcp_fsf_one_sbal(sg_resp))
 			return -EOPNOTSUPP;
 
-		sbale[0].flags |= SBAL_FLAGS0_TYPE_WRITE_READ;
-		sbale[2].addr   = sg_virt(sg_req);
-		sbale[2].length = sg_req->length;
-		sbale[3].addr   = sg_virt(sg_resp);
-		sbale[3].length = sg_resp->length;
-		sbale[3].flags |= SBAL_FLAGS_LAST_ENTRY;
+		zfcp_fsf_setup_ct_els_unchained(sbale, sg_req, sg_resp);
+		return 0;
+	}
+
+	/* use single, unchained SBAL if it can hold the request */
+	if (zfcp_fsf_one_sbal(sg_req) && zfcp_fsf_one_sbal(sg_resp)) {
+		zfcp_fsf_setup_ct_els_unchained(sbale, sg_req, sg_resp);
 		return 0;
 	}
 
 	bytes = zfcp_qdio_sbals_from_sg(req, SBAL_FLAGS0_TYPE_WRITE_READ,
 					sg_req, max_sbals);
 	if (bytes <= 0)
-		return -ENOMEM;
+		return -EIO;
 	req->qtcb->bottom.support.req_buf_length = bytes;
 	req->sbale_curr = ZFCP_LAST_SBALE_PER_SBAL;
 
 	bytes = zfcp_qdio_sbals_from_sg(req, SBAL_FLAGS0_TYPE_WRITE_READ,
 					sg_resp, max_sbals);
 	if (bytes <= 0)
-		return -ENOMEM;
+		return -EIO;
 	req->qtcb->bottom.support.resp_buf_length = bytes;
 
 	return 0;
@@ -1607,10 +1627,10 @@ static void zfcp_fsf_open_wka_port_handler(struct zfcp_fsf_req *req)
 	case FSF_ACCESS_DENIED:
 		wka_port->status = ZFCP_WKA_PORT_OFFLINE;
 		break;
-	case FSF_PORT_ALREADY_OPEN:
-		break;
 	case FSF_GOOD:
 		wka_port->handle = header->port_handle;
+		/* fall through */
+	case FSF_PORT_ALREADY_OPEN:
 		wka_port->status = ZFCP_WKA_PORT_ONLINE;
 	}
 out:
@@ -1731,15 +1751,16 @@ static void zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *req)
 		zfcp_fsf_access_denied_port(req, port);
 		break;
 	case FSF_PORT_BOXED:
-		zfcp_erp_port_boxed(port, "fscpph2", req);
-		req->status |= ZFCP_STATUS_FSFREQ_ERROR |
-			       ZFCP_STATUS_FSFREQ_RETRY;
 		/* can't use generic zfcp_erp_modify_port_status because
 		 * ZFCP_STATUS_COMMON_OPEN must not be reset for the port */
 		atomic_clear_mask(ZFCP_STATUS_PORT_PHYS_OPEN, &port->status);
 		list_for_each_entry(unit, &port->unit_list_head, list)
 			atomic_clear_mask(ZFCP_STATUS_COMMON_OPEN,
 					  &unit->status);
+		zfcp_erp_port_boxed(port, "fscpph2", req);
+		req->status |= ZFCP_STATUS_FSFREQ_ERROR |
+			       ZFCP_STATUS_FSFREQ_RETRY;
+
 		break;
 	case FSF_ADAPTER_STATUS_AVAILABLE:
 		switch (header->fsf_status_qual.word[0]) {
@@ -2541,7 +2562,6 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
 	bytes = zfcp_qdio_sbals_from_sg(req, direction, fsf_cfdc->sg,
 					FSF_MAX_SBALS_PER_REQ);
 	if (bytes != ZFCP_CFDC_MAX_SIZE) {
-		retval = -ENOMEM;
 		zfcp_fsf_req_free(req);
 		goto out;
 	}
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 967ede73f4c5..6925a1784682 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -167,20 +167,21 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
 	struct zfcp_unit *unit = scpnt->device->hostdata;
 	struct zfcp_fsf_req *old_req, *abrt_req;
 	unsigned long flags;
-	unsigned long old_req_id = (unsigned long) scpnt->host_scribble;
+	unsigned long old_reqid = (unsigned long) scpnt->host_scribble;
 	int retval = SUCCESS;
 	int retry = 3;
+	char *dbf_tag;
 
 	/* avoid race condition between late normal completion and abort */
 	write_lock_irqsave(&adapter->abort_lock, flags);
 
 	spin_lock(&adapter->req_list_lock);
-	old_req = zfcp_reqlist_find(adapter, old_req_id);
+	old_req = zfcp_reqlist_find(adapter, old_reqid);
 	spin_unlock(&adapter->req_list_lock);
 	if (!old_req) {
 		write_unlock_irqrestore(&adapter->abort_lock, flags);
 		zfcp_scsi_dbf_event_abort("lte1", adapter, scpnt, NULL,
-					  old_req_id);
+					  old_reqid);
 		return FAILED; /* completion could be in progress */
 	}
 	old_req->data = NULL;
@@ -189,7 +190,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
 	write_unlock_irqrestore(&adapter->abort_lock, flags);
 
 	while (retry--) {
-		abrt_req = zfcp_fsf_abort_fcp_command(old_req_id, unit);
+		abrt_req = zfcp_fsf_abort_fcp_command(old_reqid, unit);
 		if (abrt_req)
 			break;
 
@@ -197,7 +198,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
 		if (!(atomic_read(&adapter->status) &
 		      ZFCP_STATUS_COMMON_RUNNING)) {
 			zfcp_scsi_dbf_event_abort("nres", adapter, scpnt, NULL,
-						  old_req_id);
+						  old_reqid);
 			return SUCCESS;
 		}
 	}
@@ -208,13 +209,14 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
 		   abrt_req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
 
 	if (abrt_req->status & ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED)
-		zfcp_scsi_dbf_event_abort("okay", adapter, scpnt, abrt_req, 0);
+		dbf_tag = "okay";
 	else if (abrt_req->status & ZFCP_STATUS_FSFREQ_ABORTNOTNEEDED)
-		zfcp_scsi_dbf_event_abort("lte2", adapter, scpnt, abrt_req, 0);
+		dbf_tag = "lte2";
 	else {
-		zfcp_scsi_dbf_event_abort("fail", adapter, scpnt, abrt_req, 0);
+		dbf_tag = "fail";
 		retval = FAILED;
 	}
+	zfcp_scsi_dbf_event_abort(dbf_tag, adapter, scpnt, abrt_req, old_reqid);
 	zfcp_fsf_req_free(abrt_req);
 	return retval;
 }
@@ -534,6 +536,9 @@ static void zfcp_scsi_rport_register(struct zfcp_port *port)
 	struct fc_rport_identifiers ids;
 	struct fc_rport *rport;
 
+	if (port->rport)
+		return;
+
 	ids.node_name = port->wwnn;
 	ids.port_name = port->wwpn;
 	ids.port_id = port->d_id;
@@ -557,8 +562,10 @@ static void zfcp_scsi_rport_block(struct zfcp_port *port)
 {
 	struct fc_rport *rport = port->rport;
 
-	if (rport)
+	if (rport) {
 		fc_remote_port_delete(rport);
+		port->rport = NULL;
+	}
 }
 
 void zfcp_scsi_schedule_rport_register(struct zfcp_port *port)
diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c
index 3e51e64d1108..0fe5cce818cb 100644
--- a/drivers/s390/scsi/zfcp_sysfs.c
+++ b/drivers/s390/scsi/zfcp_sysfs.c
@@ -494,9 +494,14 @@ static ssize_t zfcp_sysfs_adapter_q_full_show(struct device *dev,
 	struct Scsi_Host *scsi_host = class_to_shost(dev);
 	struct zfcp_adapter *adapter =
 		(struct zfcp_adapter *) scsi_host->hostdata[0];
+	u64 util;
+
+	spin_lock_bh(&adapter->qdio_stat_lock);
+	util = adapter->req_q_util;
+	spin_unlock_bh(&adapter->qdio_stat_lock);
 
 	return sprintf(buf, "%d %llu\n", atomic_read(&adapter->qdio_outb_full),
-		       (unsigned long long)adapter->req_q_util);
+		       (unsigned long long)util);
 }
 static DEVICE_ATTR(queue_full, S_IRUGO, zfcp_sysfs_adapter_q_full_show, NULL);
 
diff --git a/drivers/sbus/char/bbc_envctrl.c b/drivers/sbus/char/bbc_envctrl.c
index 15dab96d05e3..7c815d3327f7 100644
--- a/drivers/sbus/char/bbc_envctrl.c
+++ b/drivers/sbus/char/bbc_envctrl.c
@@ -537,8 +537,12 @@ int bbc_envctrl_init(struct bbc_i2c_bus *bp)
 	}
 	if (temp_index != 0 && fan_index != 0) {
 		kenvctrld_task = kthread_run(kenvctrld, NULL, "kenvctrld");
-		if (IS_ERR(kenvctrld_task))
-			return PTR_ERR(kenvctrld_task);
+		if (IS_ERR(kenvctrld_task)) {
+			int err = PTR_ERR(kenvctrld_task);
+
+			kenvctrld_task = NULL;
+			return err;
+		}
 	}
 
 	return 0;
@@ -561,7 +565,8 @@ void bbc_envctrl_cleanup(struct bbc_i2c_bus *bp)
 	struct bbc_cpu_temperature *tp, *tpos;
 	struct bbc_fan_control *fp, *fpos;
 
-	kthread_stop(kenvctrld_task);
+	if (kenvctrld_task)
+		kthread_stop(kenvctrld_task);
 
 	list_for_each_entry_safe(tp, tpos, &bp->temps, bp_list) {
 		list_del(&tp->bp_list);
diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index 2bc22be5f849..145ab9ba55ea 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -415,9 +415,9 @@ static void fc_exch_timeout(struct work_struct *work)
 	e_stat = ep->esb_stat;
 	if (e_stat & ESB_ST_COMPLETE) {
 		ep->esb_stat = e_stat & ~ESB_ST_REC_QUAL;
+		spin_unlock_bh(&ep->ex_lock);
 		if (e_stat & ESB_ST_REC_QUAL)
 			fc_exch_rrq(ep);
-		spin_unlock_bh(&ep->ex_lock);
 		goto done;
 	} else {
 		resp = ep->resp;
@@ -1624,14 +1624,14 @@ static void fc_exch_rrq(struct fc_exch *ep)
 	struct fc_lport *lp;
 	struct fc_els_rrq *rrq;
 	struct fc_frame *fp;
-	struct fc_seq *rrq_sp;
 	u32 did;
 
 	lp = ep->lp;
 
 	fp = fc_frame_alloc(lp, sizeof(*rrq));
 	if (!fp)
-		return;
+		goto retry;
+
 	rrq = fc_frame_payload_get(fp, sizeof(*rrq));
 	memset(rrq, 0, sizeof(*rrq));
 	rrq->rrq_cmd = ELS_RRQ;
@@ -1647,13 +1647,20 @@ static void fc_exch_rrq(struct fc_exch *ep)
 		       fc_host_port_id(lp->host), FC_TYPE_ELS,
 		       FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0);
 
-	rrq_sp = fc_exch_seq_send(lp, fp, fc_exch_rrq_resp, NULL, ep,
-				  lp->e_d_tov);
-	if (!rrq_sp) {
-		ep->esb_stat |= ESB_ST_REC_QUAL;
-		fc_exch_timer_set_locked(ep, ep->r_a_tov);
+	if (fc_exch_seq_send(lp, fp, fc_exch_rrq_resp, NULL, ep, lp->e_d_tov))
+		return;
+
+retry:
+	spin_lock_bh(&ep->ex_lock);
+	if (ep->state & (FC_EX_RST_CLEANUP | FC_EX_DONE)) {
+		spin_unlock_bh(&ep->ex_lock);
+		/* drop hold for rec qual */
+		fc_exch_release(ep);
 		return;
 	}
+	ep->esb_stat |= ESB_ST_REC_QUAL;
+	fc_exch_timer_set_locked(ep, ep->r_a_tov);
+	spin_unlock_bh(&ep->ex_lock);
 }
 
 
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 716cc344c5df..a751f6230c22 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1974,10 +1974,10 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
 		 * good and have never sent us a successful tmf response
 		 * then sent more data for the cmd.
 		 */
-		spin_lock(&session->lock);
+		spin_lock_bh(&session->lock);
 		fail_scsi_task(task, DID_ABORT);
 		conn->tmf_state = TMF_INITIAL;
-		spin_unlock(&session->lock);
+		spin_unlock_bh(&session->lock);
 		iscsi_start_tx(conn);
 		goto success_unlocked;
 	case TMF_TIMEDOUT:
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 54fa1e42dc4d..b3381959acce 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -766,6 +766,7 @@ static int sas_ex_join_wide_port(struct domain_device *parent, int phy_id)
 		if (!memcmp(phy->attached_sas_addr, ephy->attached_sas_addr,
 			    SAS_ADDR_SIZE) && ephy->port) {
 			sas_port_add_phy(ephy->port, phy->phy);
+			phy->port = ephy->port;
 			phy->phy_state = PHY_DEVICE_DISCOVERED;
 			return 0;
 		}
@@ -945,11 +946,21 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id)
 			if (ex->ex_phy[i].phy_state == PHY_VACANT ||
 			    ex->ex_phy[i].phy_state == PHY_NOT_PRESENT)
 				continue;
-
+			/*
+			 * Due to races, the phy might not get added to the
+			 * wide port, so we add the phy to the wide port here.
+			 */
 			if (SAS_ADDR(ex->ex_phy[i].attached_sas_addr) ==
-			    SAS_ADDR(child->sas_addr))
+			    SAS_ADDR(child->sas_addr)) {
 				ex->ex_phy[i].phy_state= PHY_DEVICE_DISCOVERED;
+				res = sas_ex_join_wide_port(dev, i);
+				if (!res)
+					SAS_DPRINTK("Attaching ex phy%d to wide port %016llx\n",
+						    i, SAS_ADDR(ex->ex_phy[i].attached_sas_addr));
+
+			}
 		}
+		res = 0;
 	}
 
 	return res;
@@ -1598,7 +1609,7 @@ static int sas_get_phy_attached_sas_addr(struct domain_device *dev,
 }
 
 static int sas_find_bcast_phy(struct domain_device *dev, int *phy_id,
-			      int from_phy)
+			      int from_phy, bool update)
 {
 	struct expander_device *ex = &dev->ex_dev;
 	int res = 0;
@@ -1611,7 +1622,9 @@ static int sas_find_bcast_phy(struct domain_device *dev, int *phy_id,
 		if (res)
 			goto out;
 		else if (phy_change_count != ex->ex_phy[i].phy_change_count) {
-			ex->ex_phy[i].phy_change_count = phy_change_count;
+			if (update)
+				ex->ex_phy[i].phy_change_count =
+					phy_change_count;
 			*phy_id = i;
 			return 0;
 		}
@@ -1653,31 +1666,52 @@ out:
 	kfree(rg_req);
 	return res;
 }
+/**
+ * sas_find_bcast_dev -  find the device issue BROADCAST(CHANGE).
+ * @dev:domain device to be detect.
+ * @src_dev: the device which originated BROADCAST(CHANGE).
+ *
+ * Add self-configuration expander suport. Suppose two expander cascading,
+ * when the first level expander is self-configuring, hotplug the disks in
+ * second level expander, BROADCAST(CHANGE) will not only be originated
+ * in the second level expander, but also be originated in the first level
+ * expander (see SAS protocol SAS 2r-14, 7.11 for detail), it is to say,
+ * expander changed count in two level expanders will all increment at least
+ * once, but the phy which chang count has changed is the source device which
+ * we concerned.
+ */
 
 static int sas_find_bcast_dev(struct domain_device *dev,
 			      struct domain_device **src_dev)
 {
 	struct expander_device *ex = &dev->ex_dev;
 	int ex_change_count = -1;
+	int phy_id = -1;
 	int res;
+	struct domain_device *ch;
 
 	res = sas_get_ex_change_count(dev, &ex_change_count);
 	if (res)
 		goto out;
-	if (ex_change_count != -1 &&
-	    ex_change_count != ex->ex_change_count) {
-		*src_dev = dev;
-		ex->ex_change_count = ex_change_count;
-	} else {
-		struct domain_device *ch;
-
-		list_for_each_entry(ch, &ex->children, siblings) {
-			if (ch->dev_type == EDGE_DEV ||
-			    ch->dev_type == FANOUT_DEV) {
-				res = sas_find_bcast_dev(ch, src_dev);
-				if (src_dev)
-					return res;
-			}
+	if (ex_change_count != -1 && ex_change_count != ex->ex_change_count) {
+		/* Just detect if this expander phys phy change count changed,
+		* in order to determine if this expander originate BROADCAST,
+		* and do not update phy change count field in our structure.
+		*/
+		res = sas_find_bcast_phy(dev, &phy_id, 0, false);
+		if (phy_id != -1) {
+			*src_dev = dev;
+			ex->ex_change_count = ex_change_count;
+			SAS_DPRINTK("Expander phy change count has changed\n");
+			return res;
+		} else
+			SAS_DPRINTK("Expander phys DID NOT change\n");
+	}
+	list_for_each_entry(ch, &ex->children, siblings) {
+		if (ch->dev_type == EDGE_DEV || ch->dev_type == FANOUT_DEV) {
+			res = sas_find_bcast_dev(ch, src_dev);
+			if (src_dev)
+				return res;
 		}
 	}
 out:
@@ -1700,24 +1734,26 @@ static void sas_unregister_ex_tree(struct domain_device *dev)
 }
 
 static void sas_unregister_devs_sas_addr(struct domain_device *parent,
-					 int phy_id)
+					 int phy_id, bool last)
 {
 	struct expander_device *ex_dev = &parent->ex_dev;
 	struct ex_phy *phy = &ex_dev->ex_phy[phy_id];
 	struct domain_device *child, *n;
-
-	list_for_each_entry_safe(child, n, &ex_dev->children, siblings) {
-		if (SAS_ADDR(child->sas_addr) ==
-		    SAS_ADDR(phy->attached_sas_addr)) {
-			if (child->dev_type == EDGE_DEV ||
-			    child->dev_type == FANOUT_DEV)
-				sas_unregister_ex_tree(child);
-			else
-				sas_unregister_dev(child);
-			break;
+	if (last) {
+		list_for_each_entry_safe(child, n,
+			&ex_dev->children, siblings) {
+			if (SAS_ADDR(child->sas_addr) ==
+			    SAS_ADDR(phy->attached_sas_addr)) {
+				if (child->dev_type == EDGE_DEV ||
+				    child->dev_type == FANOUT_DEV)
+					sas_unregister_ex_tree(child);
+				else
+					sas_unregister_dev(child);
+				break;
+			}
 		}
+		sas_disable_routing(parent, phy->attached_sas_addr);
 	}
-	sas_disable_routing(parent, phy->attached_sas_addr);
 	memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE);
 	sas_port_delete_phy(phy->port, phy->phy);
 	if (phy->port->num_phys == 0)
@@ -1770,15 +1806,31 @@ static int sas_discover_new(struct domain_device *dev, int phy_id)
 {
 	struct ex_phy *ex_phy = &dev->ex_dev.ex_phy[phy_id];
 	struct domain_device *child;
-	int res;
+	bool found = false;
+	int res, i;
 
 	SAS_DPRINTK("ex %016llx phy%d new device attached\n",
 		    SAS_ADDR(dev->sas_addr), phy_id);
 	res = sas_ex_phy_discover(dev, phy_id);
 	if (res)
 		goto out;
+	/* to support the wide port inserted */
+	for (i = 0; i < dev->ex_dev.num_phys; i++) {
+		struct ex_phy *ex_phy_temp = &dev->ex_dev.ex_phy[i];
+		if (i == phy_id)
+			continue;
+		if (SAS_ADDR(ex_phy_temp->attached_sas_addr) ==
+		    SAS_ADDR(ex_phy->attached_sas_addr)) {
+			found = true;
+			break;
+		}
+	}
+	if (found) {
+		sas_ex_join_wide_port(dev, phy_id);
+		return 0;
+	}
 	res = sas_ex_discover_devices(dev, phy_id);
-	if (res)
+	if (!res)
 		goto out;
 	list_for_each_entry(child, &dev->ex_dev.children, siblings) {
 		if (SAS_ADDR(child->sas_addr) ==
@@ -1793,7 +1845,7 @@ out:
 	return res;
 }
 
-static int sas_rediscover_dev(struct domain_device *dev, int phy_id)
+static int sas_rediscover_dev(struct domain_device *dev, int phy_id, bool last)
 {
 	struct expander_device *ex = &dev->ex_dev;
 	struct ex_phy *phy = &ex->ex_phy[phy_id];
@@ -1804,11 +1856,11 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id)
 	switch (res) {
 	case SMP_RESP_NO_PHY:
 		phy->phy_state = PHY_NOT_PRESENT;
-		sas_unregister_devs_sas_addr(dev, phy_id);
+		sas_unregister_devs_sas_addr(dev, phy_id, last);
 		goto out; break;
 	case SMP_RESP_PHY_VACANT:
 		phy->phy_state = PHY_VACANT;
-		sas_unregister_devs_sas_addr(dev, phy_id);
+		sas_unregister_devs_sas_addr(dev, phy_id, last);
 		goto out; break;
 	case SMP_RESP_FUNC_ACC:
 		break;
@@ -1816,7 +1868,7 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id)
 
 	if (SAS_ADDR(attached_sas_addr) == 0) {
 		phy->phy_state = PHY_EMPTY;
-		sas_unregister_devs_sas_addr(dev, phy_id);
+		sas_unregister_devs_sas_addr(dev, phy_id, last);
 	} else if (SAS_ADDR(attached_sas_addr) ==
 		   SAS_ADDR(phy->attached_sas_addr)) {
 		SAS_DPRINTK("ex %016llx phy 0x%x broadcast flutter\n",
@@ -1828,12 +1880,27 @@ out:
 	return res;
 }
 
+/**
+ * sas_rediscover - revalidate the domain.
+ * @dev:domain device to be detect.
+ * @phy_id: the phy id will be detected.
+ *
+ * NOTE: this process _must_ quit (return) as soon as any connection
+ * errors are encountered.  Connection recovery is done elsewhere.
+ * Discover process only interrogates devices in order to discover the
+ * domain.For plugging out, we un-register the device only when it is
+ * the last phy in the port, for other phys in this port, we just delete it
+ * from the port.For inserting, we do discovery when it is the
+ * first phy,for other phys in this port, we add it to the port to
+ * forming the wide-port.
+ */
 static int sas_rediscover(struct domain_device *dev, const int phy_id)
 {
 	struct expander_device *ex = &dev->ex_dev;
 	struct ex_phy *changed_phy = &ex->ex_phy[phy_id];
 	int res = 0;
 	int i;
+	bool last = true;	/* is this the last phy of the port */
 
 	SAS_DPRINTK("ex %016llx phy%d originated BROADCAST(CHANGE)\n",
 		    SAS_ADDR(dev->sas_addr), phy_id);
@@ -1848,13 +1915,13 @@ static int sas_rediscover(struct domain_device *dev, const int phy_id)
 			    SAS_ADDR(changed_phy->attached_sas_addr)) {
 				SAS_DPRINTK("phy%d part of wide port with "
 					    "phy%d\n", phy_id, i);
-				goto out;
+				last = false;
+				break;
 			}
 		}
-		res = sas_rediscover_dev(dev, phy_id);
+		res = sas_rediscover_dev(dev, phy_id, last);
 	} else
 		res = sas_discover_new(dev, phy_id);
-out:
 	return res;
 }
 
@@ -1881,7 +1948,7 @@ int sas_ex_revalidate_domain(struct domain_device *port_dev)
 
 		do {
 			phy_id = -1;
-			res = sas_find_bcast_phy(dev, &phy_id, i);
+			res = sas_find_bcast_phy(dev, &phy_id, i, true);
 			if (phy_id == -1)
 				break;
 			res = sas_rediscover(dev, phy_id);
diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c
index e6ac59c023f1..fe8b74c706d2 100644
--- a/drivers/scsi/libsas/sas_port.c
+++ b/drivers/scsi/libsas/sas_port.c
@@ -56,7 +56,7 @@ static void sas_form_port(struct asd_sas_phy *phy)
 		}
 	}
 
-	/* find a port */
+	/* see if the phy should be part of a wide port */
 	spin_lock_irqsave(&sas_ha->phy_port_lock, flags);
 	for (i = 0; i < sas_ha->num_phys; i++) {
 		port = sas_ha->sas_port[i];
@@ -69,12 +69,23 @@ static void sas_form_port(struct asd_sas_phy *phy)
 			SAS_DPRINTK("phy%d matched wide port%d\n", phy->id,
 				    port->id);
 			break;
-		} else if (*(u64 *) port->sas_addr == 0 && port->num_phys==0) {
-			memcpy(port->sas_addr, phy->sas_addr, SAS_ADDR_SIZE);
-			break;
 		}
 		spin_unlock(&port->phy_list_lock);
 	}
+	/* The phy does not match any existing port, create a new one */
+	if (i == sas_ha->num_phys) {
+		for (i = 0; i < sas_ha->num_phys; i++) {
+			port = sas_ha->sas_port[i];
+			spin_lock(&port->phy_list_lock);
+			if (*(u64 *)port->sas_addr == 0
+				&& port->num_phys == 0) {
+				memcpy(port->sas_addr, phy->sas_addr,
+					SAS_ADDR_SIZE);
+				break;
+			}
+			spin_unlock(&port->phy_list_lock);
+		}
+	}
 
 	if (i >= sas_ha->num_phys) {
 		printk(KERN_NOTICE "%s: couldn't find a free port, bug?\n",
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index f3da592f7bcc..35a13867495e 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -119,6 +119,64 @@ _base_fault_reset_work(struct work_struct *work)
 	spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
 }
 
+/**
+ * mpt2sas_base_start_watchdog - start the fault_reset_work_q
+ * @ioc: pointer to scsi command object
+ * Context: sleep.
+ *
+ * Return nothing.
+ */
+void
+mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc)
+{
+	unsigned long	 flags;
+
+	if (ioc->fault_reset_work_q)
+		return;
+
+	/* initialize fault polling */
+	INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work);
+	snprintf(ioc->fault_reset_work_q_name,
+	    sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id);
+	ioc->fault_reset_work_q =
+		create_singlethread_workqueue(ioc->fault_reset_work_q_name);
+	if (!ioc->fault_reset_work_q) {
+		printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n",
+		    ioc->name, __func__, __LINE__);
+			return;
+	}
+	spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
+	if (ioc->fault_reset_work_q)
+		queue_delayed_work(ioc->fault_reset_work_q,
+		    &ioc->fault_reset_work,
+		    msecs_to_jiffies(FAULT_POLLING_INTERVAL));
+	spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
+}
+
+/**
+ * mpt2sas_base_stop_watchdog - stop the fault_reset_work_q
+ * @ioc: pointer to scsi command object
+ * Context: sleep.
+ *
+ * Return nothing.
+ */
+void
+mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc)
+{
+	unsigned long	 flags;
+	struct workqueue_struct *wq;
+
+	spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
+	wq = ioc->fault_reset_work_q;
+	ioc->fault_reset_work_q = NULL;
+	spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
+	if (wq) {
+		if (!cancel_delayed_work(&ioc->fault_reset_work))
+			flush_workqueue(wq);
+		destroy_workqueue(wq);
+	}
+}
+
 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
 /**
  * _base_sas_ioc_info - verbose translation of the ioc status
@@ -440,6 +498,10 @@ _base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info)
 	if (sas_loginfo.dw.bus_type != 3 /*SAS*/)
 		return;
 
+	/* each nexus loss loginfo */
+	if (log_info == 0x31170000)
+		return;
+
 	/* eat the loginfos associated with task aborts */
 	if (ioc->ignore_loginfos && (log_info == 30050000 || log_info ==
 	    0x31140000 || log_info == 0x31130000))
@@ -1109,7 +1171,6 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
 		}
 	}
 
-	pci_set_drvdata(pdev, ioc->shost);
 	_base_mask_interrupts(ioc);
 	r = _base_enable_msix(ioc);
 	if (r)
@@ -1132,7 +1193,6 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
 	ioc->pci_irq = -1;
 	pci_release_selected_regions(ioc->pdev, ioc->bars);
 	pci_disable_device(pdev);
-	pci_set_drvdata(pdev, NULL);
 	return r;
 }
 
@@ -3191,7 +3251,6 @@ mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc)
 	ioc->chip_phys = 0;
 	pci_release_selected_regions(ioc->pdev, ioc->bars);
 	pci_disable_device(pdev);
-	pci_set_drvdata(pdev, NULL);
 	return;
 }
 
@@ -3205,7 +3264,6 @@ int
 mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
 {
 	int r, i;
-	unsigned long	 flags;
 
 	dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name,
 	    __func__));
@@ -3214,6 +3272,7 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
 	if (r)
 		return r;
 
+	pci_set_drvdata(ioc->pdev, ioc->shost);
 	r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
 	if (r)
 		goto out_free_resources;
@@ -3288,23 +3347,7 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
 	if (r)
 		goto out_free_resources;
 
-	/* initialize fault polling */
-	INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work);
-	snprintf(ioc->fault_reset_work_q_name,
-	    sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id);
-	ioc->fault_reset_work_q =
-		create_singlethread_workqueue(ioc->fault_reset_work_q_name);
-	if (!ioc->fault_reset_work_q) {
-		printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n",
-		    ioc->name, __func__, __LINE__);
-			goto out_free_resources;
-	}
-	spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
-	if (ioc->fault_reset_work_q)
-		queue_delayed_work(ioc->fault_reset_work_q,
-		    &ioc->fault_reset_work,
-		    msecs_to_jiffies(FAULT_POLLING_INTERVAL));
-	spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
+	mpt2sas_base_start_watchdog(ioc);
 	return 0;
 
  out_free_resources:
@@ -3312,6 +3355,7 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
 	ioc->remove_host = 1;
 	mpt2sas_base_free_resources(ioc);
 	_base_release_memory_pools(ioc);
+	pci_set_drvdata(ioc->pdev, NULL);
 	kfree(ioc->tm_cmds.reply);
 	kfree(ioc->transport_cmds.reply);
 	kfree(ioc->config_cmds.reply);
@@ -3337,22 +3381,14 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
 void
 mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc)
 {
-	unsigned long	 flags;
-	struct workqueue_struct *wq;
 
 	dexitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name,
 	    __func__));
 
-	spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
-	wq = ioc->fault_reset_work_q;
-	ioc->fault_reset_work_q = NULL;
-	spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
-	if (!cancel_delayed_work(&ioc->fault_reset_work))
-		flush_workqueue(wq);
-	destroy_workqueue(wq);
-
+	mpt2sas_base_stop_watchdog(ioc);
 	mpt2sas_base_free_resources(ioc);
 	_base_release_memory_pools(ioc);
+	pci_set_drvdata(ioc->pdev, NULL);
 	kfree(ioc->pfacts);
 	kfree(ioc->ctl_cmds.reply);
 	kfree(ioc->base_cmds.reply);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index 286c185fa9e4..acdcff150a35 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -69,10 +69,10 @@
 #define MPT2SAS_DRIVER_NAME		"mpt2sas"
 #define MPT2SAS_AUTHOR	"LSI Corporation <DL-MPTFusionLinux@lsi.com>"
 #define MPT2SAS_DESCRIPTION	"LSI MPT Fusion SAS 2.0 Device Driver"
-#define MPT2SAS_DRIVER_VERSION		"01.100.03.00"
+#define MPT2SAS_DRIVER_VERSION		"01.100.04.00"
 #define MPT2SAS_MAJOR_VERSION		01
 #define MPT2SAS_MINOR_VERSION		100
-#define MPT2SAS_BUILD_VERSION		03
+#define MPT2SAS_BUILD_VERSION		04
 #define MPT2SAS_RELEASE_VERSION		00
 
 /*
@@ -673,6 +673,8 @@ typedef void (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID,
 
 /* base shared API */
 extern struct list_head mpt2sas_ioc_list;
+void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc);
+void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc);
 
 int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
 void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_config.c b/drivers/scsi/mpt2sas/mpt2sas_config.c
index 58cfb97846f7..6ddee161beb3 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_config.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_config.c
@@ -236,17 +236,25 @@ _config_request(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRequest_t
 	Mpi2ConfigRequest_t *config_request;
 	int r;
 	u8 retry_count;
-	u8 issue_reset;
+	u8 issue_host_reset = 0;
 	u16 wait_state_count;
 
+	mutex_lock(&ioc->config_cmds.mutex);
 	if (ioc->config_cmds.status != MPT2_CMD_NOT_USED) {
 		printk(MPT2SAS_ERR_FMT "%s: config_cmd in use\n",
 		    ioc->name, __func__);
+		mutex_unlock(&ioc->config_cmds.mutex);
 		return -EAGAIN;
 	}
 	retry_count = 0;
 
  retry_config:
+	if (retry_count) {
+		if (retry_count > 2) /* attempt only 2 retries */
+			return -EFAULT;
+		printk(MPT2SAS_INFO_FMT "%s: attempting retry (%d)\n",
+		    ioc->name, __func__, retry_count);
+	}
 	wait_state_count = 0;
 	ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
 	while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
@@ -254,8 +262,8 @@ _config_request(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRequest_t
 			printk(MPT2SAS_ERR_FMT
 			    "%s: failed due to ioc not operational\n",
 			    ioc->name, __func__);
-			ioc->config_cmds.status = MPT2_CMD_NOT_USED;
-			return -EFAULT;
+			r = -EFAULT;
+			goto out;
 		}
 		ssleep(1);
 		ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
@@ -271,8 +279,8 @@ _config_request(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRequest_t
 	if (!smid) {
 		printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
 		    ioc->name, __func__);
-		ioc->config_cmds.status = MPT2_CMD_NOT_USED;
-		return -EAGAIN;
+		r = -EAGAIN;
+		goto out;
 	}
 
 	r = 0;
@@ -292,9 +300,15 @@ _config_request(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRequest_t
 		    ioc->name, __func__);
 		_debug_dump_mf(mpi_request,
 		    sizeof(Mpi2ConfigRequest_t)/4);
-		if (!(ioc->config_cmds.status & MPT2_CMD_RESET))
-			issue_reset = 1;
-		goto issue_host_reset;
+		retry_count++;
+		if (ioc->config_cmds.smid == smid)
+			mpt2sas_base_free_smid(ioc, smid);
+		if ((ioc->shost_recovery) ||
+		    (ioc->config_cmds.status & MPT2_CMD_RESET))
+			goto retry_config;
+		issue_host_reset = 1;
+		r = -EFAULT;
+		goto out;
 	}
 	if (ioc->config_cmds.status & MPT2_CMD_REPLY_VALID)
 		memcpy(mpi_reply, ioc->config_cmds.reply,
@@ -302,21 +316,13 @@ _config_request(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRequest_t
 	if (retry_count)
 		printk(MPT2SAS_INFO_FMT "%s: retry completed!!\n",
 		    ioc->name, __func__);
+out:
 	ioc->config_cmds.status = MPT2_CMD_NOT_USED;
-	return r;
-
- issue_host_reset:
-	if (issue_reset)
+	mutex_unlock(&ioc->config_cmds.mutex);
+	if (issue_host_reset)
 		mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
 		    FORCE_BIG_HAMMER);
-	ioc->config_cmds.status = MPT2_CMD_NOT_USED;
-	if (!retry_count) {
-		printk(MPT2SAS_INFO_FMT "%s: attempting retry\n",
-		    ioc->name, __func__);
-		retry_count++;
-		goto retry_config;
-	}
-	return -EFAULT;
+	return r;
 }
 
 /**
@@ -375,7 +381,6 @@ mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(config_page, 0, sizeof(Mpi2ManufacturingPage0_t));
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -417,7 +422,6 @@ mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -438,7 +442,6 @@ mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc,
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(config_page, 0, sizeof(Mpi2BiosPage2_t));
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -480,7 +483,6 @@ mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc,
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -501,7 +503,6 @@ mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(config_page, 0, sizeof(Mpi2BiosPage3_t));
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -543,7 +544,6 @@ mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -564,7 +564,6 @@ mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc,
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(config_page, 0, sizeof(Mpi2IOUnitPage0_t));
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -606,7 +605,6 @@ mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc,
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -627,7 +625,6 @@ mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(config_page, 0, sizeof(Mpi2IOUnitPage1_t));
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -669,7 +666,6 @@ mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -690,7 +686,6 @@ mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
@@ -732,7 +727,6 @@ mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -753,7 +747,6 @@ mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc,
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(config_page, 0, sizeof(Mpi2IOCPage8_t));
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -795,7 +788,6 @@ mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc,
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -818,7 +810,6 @@ mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(config_page, 0, sizeof(Mpi2SasDevicePage0_t));
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -863,7 +854,6 @@ mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -886,7 +876,6 @@ mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(config_page, 0, sizeof(Mpi2SasDevicePage1_t));
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -931,7 +920,6 @@ mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -953,7 +941,6 @@ mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys)
 	Mpi2ConfigReply_t mpi_reply;
 	Mpi2SasIOUnitPage0_t config_page;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
@@ -1002,7 +989,6 @@ mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys)
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -1026,8 +1012,6 @@ mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 	Mpi2ConfigRequest_t mpi_request;
 	int r;
 	struct config_request mem;
-
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(config_page, 0, sz);
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -1070,7 +1054,6 @@ mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -1095,7 +1078,6 @@ mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(config_page, 0, sz);
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -1138,7 +1120,6 @@ mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -1161,7 +1142,6 @@ mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(config_page, 0, sizeof(Mpi2ExpanderPage0_t));
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -1206,7 +1186,6 @@ mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -1230,7 +1209,6 @@ mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(config_page, 0, sizeof(Mpi2ExpanderPage1_t));
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -1277,7 +1255,6 @@ mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -1300,7 +1277,6 @@ mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(config_page, 0, sizeof(Mpi2SasEnclosurePage0_t));
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -1345,7 +1321,6 @@ mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -1367,7 +1342,6 @@ mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(config_page, 0, sizeof(Mpi2SasPhyPage0_t));
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -1413,7 +1387,6 @@ mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -1435,7 +1408,6 @@ mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(config_page, 0, sizeof(Mpi2SasPhyPage1_t));
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -1481,7 +1453,6 @@ mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -1505,7 +1476,6 @@ mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc,
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(config_page, 0, sizeof(Mpi2RaidVolPage1_t));
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -1548,7 +1518,6 @@ mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc,
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -1572,7 +1541,6 @@ mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle,
 	struct config_request mem;
 	u16 ioc_status;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	*num_pds = 0;
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -1620,7 +1588,6 @@ mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle,
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -1645,7 +1612,6 @@ mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc,
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	memset(config_page, 0, sz);
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -1687,7 +1653,6 @@ mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc,
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -1711,7 +1676,6 @@ mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 	int r;
 	struct config_request mem;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	memset(config_page, 0, sizeof(Mpi2RaidPhysDiskPage0_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -1754,7 +1718,6 @@ mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
@@ -1778,7 +1741,6 @@ mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
 	struct config_request mem;
 	u16 ioc_status;
 
-	mutex_lock(&ioc->config_cmds.mutex);
 	*volume_handle = 0;
 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
@@ -1842,7 +1804,6 @@ mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
 		_config_free_config_dma_memory(ioc, &mem);
 
  out:
-	mutex_unlock(&ioc->config_cmds.mutex);
 	return r;
 }
 
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 2a01a5f2a84d..2e9a4445596f 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -2767,6 +2767,10 @@ _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
 	char *desc_ioc_state = NULL;
 	char *desc_scsi_status = NULL;
 	char *desc_scsi_state = ioc->tmp_string;
+	u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
+
+	if (log_info == 0x31170000)
+		return;
 
 	switch (ioc_status) {
 	case MPI2_IOCSTATUS_SUCCESS:
@@ -3426,7 +3430,7 @@ _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle)
 	__le64 sas_address;
 	int i;
 	unsigned long flags;
-	struct _sas_port *mpt2sas_port;
+	struct _sas_port *mpt2sas_port = NULL;
 	int rc = 0;
 
 	if (!handle)
@@ -3518,12 +3522,20 @@ _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle)
 		    &expander_pg1, i, handle))) {
 			printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
 			    ioc->name, __FILE__, __LINE__, __func__);
-			continue;
+			rc = -1;
+			goto out_fail;
 		}
 		sas_expander->phy[i].handle = handle;
 		sas_expander->phy[i].phy_id = i;
-		mpt2sas_transport_add_expander_phy(ioc, &sas_expander->phy[i],
-		    expander_pg1, sas_expander->parent_dev);
+
+		if ((mpt2sas_transport_add_expander_phy(ioc,
+		    &sas_expander->phy[i], expander_pg1,
+		    sas_expander->parent_dev))) {
+			printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
+			    ioc->name, __FILE__, __LINE__, __func__);
+			rc = -1;
+			goto out_fail;
+		}
 	}
 
 	if (sas_expander->enclosure_handle) {
@@ -3540,8 +3552,9 @@ _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle)
 
  out_fail:
 
-	if (sas_expander)
-		kfree(sas_expander->phy);
+	if (mpt2sas_port)
+		mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
+		    sas_expander->parent_handle);
 	kfree(sas_expander);
 	return rc;
 }
@@ -3663,12 +3676,11 @@ _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd)
 	sas_device->hidden_raid_component = is_pd;
 
 	/* get enclosure_logical_id */
-	if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, &enclosure_pg0,
-	   MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
-	   sas_device->enclosure_handle))) {
+	if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0(
+	   ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
+	   sas_device->enclosure_handle)))
 		sas_device->enclosure_logical_id =
 		    le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
-	}
 
 	/* get device name */
 	sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
@@ -4250,12 +4262,6 @@ _scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc,
 	u16 handle = le16_to_cpu(element->VolDevHandle);
 	int rc;
 
-#if 0 /* RAID_HACKS */
-	if (le32_to_cpu(event_data->Flags) &
-	    MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
-		return;
-#endif
-
 	mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
 	if (!wwid) {
 		printk(MPT2SAS_ERR_FMT
@@ -4310,12 +4316,6 @@ _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc,
 	unsigned long flags;
 	struct MPT2SAS_TARGET *sas_target_priv_data;
 
-#if 0 /* RAID_HACKS */
-	if (le32_to_cpu(event_data->Flags) &
-	    MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
-		return;
-#endif
-
 	spin_lock_irqsave(&ioc->raid_device_lock, flags);
 	raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
 	spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
@@ -4428,14 +4428,38 @@ _scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc,
 	struct _sas_device *sas_device;
 	unsigned long flags;
 	u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
+	Mpi2ConfigReply_t mpi_reply;
+	Mpi2SasDevicePage0_t sas_device_pg0;
+	u32 ioc_status;
 
 	spin_lock_irqsave(&ioc->sas_device_lock, flags);
 	sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
 	spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-	if (sas_device)
+	if (sas_device) {
 		sas_device->hidden_raid_component = 1;
-	else
-		_scsih_add_device(ioc, handle, 0, 1);
+		return;
+	}
+
+	if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
+	    MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
+		printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
+		    ioc->name, __FILE__, __LINE__, __func__);
+		return;
+	}
+
+	ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+	    MPI2_IOCSTATUS_MASK;
+	if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+		printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
+		    ioc->name, __FILE__, __LINE__, __func__);
+		return;
+	}
+
+	_scsih_link_change(ioc,
+	    le16_to_cpu(sas_device_pg0.ParentDevHandle),
+	    handle, sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
+
+	_scsih_add_device(ioc, handle, 0, 1);
 }
 
 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
@@ -4535,12 +4559,15 @@ _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
 {
 	Mpi2EventIrConfigElement_t *element;
 	int i;
+	u8 foreign_config;
 
 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
 	if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
 		_scsih_sas_ir_config_change_event_debug(ioc, event_data);
 
 #endif
+	foreign_config = (le32_to_cpu(event_data->Flags) &
+	    MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
 
 	element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
 	for (i = 0; i < event_data->NumElements; i++, element++) {
@@ -4548,11 +4575,13 @@ _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
 		switch (element->ReasonCode) {
 		case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
 		case MPI2_EVENT_IR_CHANGE_RC_ADDED:
-			_scsih_sas_volume_add(ioc, element);
+			if (!foreign_config)
+				_scsih_sas_volume_add(ioc, element);
 			break;
 		case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
 		case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
-			_scsih_sas_volume_delete(ioc, element);
+			if (!foreign_config)
+				_scsih_sas_volume_delete(ioc, element);
 			break;
 		case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
 			_scsih_sas_pd_hide(ioc, element);
@@ -4671,6 +4700,9 @@ _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
 	u32 state;
 	struct _sas_device *sas_device;
 	unsigned long flags;
+	Mpi2ConfigReply_t mpi_reply;
+	Mpi2SasDevicePage0_t sas_device_pg0;
+	u32 ioc_status;
 
 	if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
 		return;
@@ -4687,22 +4719,40 @@ _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
 	spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
 
 	switch (state) {
-#if 0
-	case MPI2_RAID_PD_STATE_OFFLINE:
-		if (sas_device)
-			_scsih_remove_device(ioc, handle);
-		break;
-#endif
 	case MPI2_RAID_PD_STATE_ONLINE:
 	case MPI2_RAID_PD_STATE_DEGRADED:
 	case MPI2_RAID_PD_STATE_REBUILDING:
 	case MPI2_RAID_PD_STATE_OPTIMAL:
-		if (sas_device)
+		if (sas_device) {
 			sas_device->hidden_raid_component = 1;
-		else
-			_scsih_add_device(ioc, handle, 0, 1);
+			return;
+		}
+
+		if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
+		    &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
+		    handle))) {
+			printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
+			    ioc->name, __FILE__, __LINE__, __func__);
+			return;
+		}
+
+		ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+		    MPI2_IOCSTATUS_MASK;
+		if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+			printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
+			    ioc->name, __FILE__, __LINE__, __func__);
+			return;
+		}
+
+		_scsih_link_change(ioc,
+		    le16_to_cpu(sas_device_pg0.ParentDevHandle),
+		    handle, sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
+
+		_scsih_add_device(ioc, handle, 0, 1);
+
 		break;
 
+	case MPI2_RAID_PD_STATE_OFFLINE:
 	case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
 	case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
 	case MPI2_RAID_PD_STATE_HOT_SPARE:
@@ -5774,6 +5824,7 @@ _scsih_suspend(struct pci_dev *pdev, pm_message_t state)
 	struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
 	u32 device_state;
 
+	mpt2sas_base_stop_watchdog(ioc);
 	flush_scheduled_work();
 	scsi_block_requests(shost);
 	device_state = pci_choose_state(pdev, state);
@@ -5816,6 +5867,7 @@ _scsih_resume(struct pci_dev *pdev)
 
 	mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET);
 	scsi_unblock_requests(shost);
+	mpt2sas_base_start_watchdog(ioc);
 	return 0;
 }
 #endif /* CONFIG_PM */
diff --git a/drivers/scsi/qla4xxx/ql4_dbg.c b/drivers/scsi/qla4xxx/ql4_dbg.c
index fcc184cd066d..cbceb0ebabf7 100644
--- a/drivers/scsi/qla4xxx/ql4_dbg.c
+++ b/drivers/scsi/qla4xxx/ql4_dbg.c
@@ -15,19 +15,18 @@ void qla4xxx_dump_buffer(void *b, uint32_t size)
 	uint32_t cnt;
 	uint8_t *c = b;
 
-	printk(" 0   1	 2   3	 4   5	 6   7	 8   9	Ah  Bh	Ch  Dh	Eh  "
+	printk(" 0   1   2   3   4   5   6   7   8   9  Ah  Bh  Ch  Dh  Eh  "
 	       "Fh\n");
 	printk("------------------------------------------------------------"
 	       "--\n");
-	for (cnt = 0; cnt < size; cnt++, c++) {
-		printk(KERN_DEBUG "%02x", *c);
-		if (!(cnt % 16))
-			printk(KERN_DEBUG "\n");
+	for (cnt = 0; cnt < size; c++) {
+		printk(KERN_INFO "%02x", *c);
+		if (!(++cnt % 16))
+			printk(KERN_INFO "\n");
 
 		else
-			printk(KERN_DEBUG "  ");
+			printk(KERN_INFO "  ");
 	}
-	if (cnt % 16)
-		printk(KERN_DEBUG "\n");
+	printk(KERN_INFO "\n");
 }
 
diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index b586f27c3bd4..81b5f29254e2 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -100,7 +100,6 @@
 #define MAX_SRBS		MAX_CMDS_TO_RISC
 #define MBOX_AEN_REG_COUNT	5
 #define MAX_INIT_RETRIES	5
-#define IOCB_HIWAT_CUSHION	16
 
 /*
  * Buffer sizes
@@ -184,6 +183,11 @@ struct srb {
 	uint16_t cc_stat;
 	u_long r_start;		/* Time we recieve a cmd from OS */
 	u_long u_start;		/* Time when we handed the cmd to F/W */
+
+	/* Used for extended sense / status continuation */
+	uint8_t *req_sense_ptr;
+	uint16_t req_sense_len;
+	uint16_t reserved2;
 };
 
 /*
@@ -302,7 +306,6 @@ struct scsi_qla_host {
 	uint32_t tot_ddbs;
 
 	uint16_t	iocb_cnt;
-	uint16_t	iocb_hiwat;
 
 	/* SRB cache. */
 #define SRB_MIN_REQ	128
@@ -436,6 +439,8 @@ struct scsi_qla_host {
 	/* Map ddb_list entry by FW ddb index */
 	struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES];
 
+	/* Saved srb for status continuation entry processing */
+	struct srb *status_srb;
 };
 
 static inline int is_qla4010(struct scsi_qla_host *ha)
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index 1b667a70cffa..9cd7a608df38 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -572,6 +572,7 @@ struct conn_event_log_entry {
  *************************************************************************/
 #define IOCB_MAX_CDB_LEN	    16	/* Bytes in a CBD */
 #define IOCB_MAX_SENSEDATA_LEN	    32	/* Bytes of sense data */
+#define IOCB_MAX_EXT_SENSEDATA_LEN  60  /* Bytes of extended sense data */
 
 /* IOCB header structure */
 struct qla4_header {
@@ -733,6 +734,12 @@ struct status_entry {
 
 };
 
+/* Status Continuation entry */
+struct status_cont_entry {
+       struct qla4_header hdr; /* 00-03 */
+       uint8_t ext_sense_data[IOCB_MAX_EXT_SENSEDATA_LEN]; /* 04-63 */
+};
+
 struct passthru0 {
 	struct qla4_header hdr;		       /* 00-03 */
 	uint32_t handle;	/* 04-07 */
diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c
index 912a67494adf..e0c32159749c 100644
--- a/drivers/scsi/qla4xxx/ql4_iocb.c
+++ b/drivers/scsi/qla4xxx/ql4_iocb.c
@@ -10,9 +10,42 @@
 #include "ql4_dbg.h"
 #include "ql4_inline.h"
 
-
 #include <scsi/scsi_tcq.h>
 
+static int
+qla4xxx_space_in_req_ring(struct scsi_qla_host *ha, uint16_t req_cnt)
+{
+	uint16_t cnt;
+
+	/* Calculate number of free request entries. */
+	if ((req_cnt + 2) >= ha->req_q_count) {
+		cnt = (uint16_t) le32_to_cpu(ha->shadow_regs->req_q_out);
+		if (ha->request_in < cnt)
+			ha->req_q_count = cnt - ha->request_in;
+		else
+			ha->req_q_count = REQUEST_QUEUE_DEPTH -
+						(ha->request_in - cnt);
+	}
+
+	/* Check if room for request in request ring. */
+	if ((req_cnt + 2) < ha->req_q_count)
+		return 1;
+	else
+		return 0;
+}
+
+static void qla4xxx_advance_req_ring_ptr(struct scsi_qla_host *ha)
+{
+	/* Advance request queue pointer */
+	if (ha->request_in == (REQUEST_QUEUE_DEPTH - 1)) {
+		ha->request_in = 0;
+		ha->request_ptr = ha->request_ring;
+	} else {
+		ha->request_in++;
+		ha->request_ptr++;
+	}
+}
+
 /**
  * qla4xxx_get_req_pkt - returns a valid entry in request queue.
  * @ha: Pointer to host adapter structure.
@@ -26,35 +59,18 @@
 static int qla4xxx_get_req_pkt(struct scsi_qla_host *ha,
 			       struct queue_entry **queue_entry)
 {
-	uint16_t request_in;
-	uint8_t status = QLA_SUCCESS;
-
-	*queue_entry = ha->request_ptr;
+	uint16_t req_cnt = 1;
 
-	/* get the latest request_in and request_out index */
-	request_in = ha->request_in;
-	ha->request_out = (uint16_t) le32_to_cpu(ha->shadow_regs->req_q_out);
-
-	/* Advance request queue pointer and check for queue full */
-	if (request_in == (REQUEST_QUEUE_DEPTH - 1)) {
-		request_in = 0;
-		ha->request_ptr = ha->request_ring;
-	} else {
-		request_in++;
-		ha->request_ptr++;
-	}
-
-	/* request queue is full, try again later */
-	if ((ha->iocb_cnt + 1) >= ha->iocb_hiwat) {
-		/* restore request pointer */
-		ha->request_ptr = *queue_entry;
-		status = QLA_ERROR;
-	} else {
-		ha->request_in = request_in;
+	if (qla4xxx_space_in_req_ring(ha, req_cnt)) {
+		*queue_entry = ha->request_ptr;
 		memset(*queue_entry, 0, sizeof(**queue_entry));
+
+		qla4xxx_advance_req_ring_ptr(ha);
+		ha->req_q_count -= req_cnt;
+		return QLA_SUCCESS;
 	}
 
-	return status;
+	return QLA_ERROR;
 }
 
 /**
@@ -100,21 +116,14 @@ exit_send_marker:
 	return status;
 }
 
-static struct continuation_t1_entry* qla4xxx_alloc_cont_entry(
-	struct scsi_qla_host *ha)
+static struct continuation_t1_entry *
+qla4xxx_alloc_cont_entry(struct scsi_qla_host *ha)
 {
 	struct continuation_t1_entry *cont_entry;
 
 	cont_entry = (struct continuation_t1_entry *)ha->request_ptr;
 
-	/* Advance request queue pointer */
-	if (ha->request_in == (REQUEST_QUEUE_DEPTH - 1)) {
-		ha->request_in = 0;
-		ha->request_ptr = ha->request_ring;
-	} else {
-		ha->request_in++;
-		ha->request_ptr++;
-	}
+	qla4xxx_advance_req_ring_ptr(ha);
 
 	/* Load packet defaults */
 	cont_entry->hdr.entryType = ET_CONTINUE;
@@ -197,13 +206,10 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb)
 	struct scsi_cmnd *cmd = srb->cmd;
 	struct ddb_entry *ddb_entry;
 	struct command_t3_entry *cmd_entry;
-
 	int nseg;
 	uint16_t tot_dsds;
 	uint16_t req_cnt;
-
 	unsigned long flags;
-	uint16_t cnt;
 	uint32_t index;
 	char tag[2];
 
@@ -217,6 +223,19 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb)
 
 	index = (uint32_t)cmd->request->tag;
 
+	/*
+	 * Check to see if adapter is online before placing request on
+	 * request queue.  If a reset occurs and a request is in the queue,
+	 * the firmware will still attempt to process the request, retrieving
+	 * garbage for pointers.
+	 */
+	if (!test_bit(AF_ONLINE, &ha->flags)) {
+		DEBUG2(printk("scsi%ld: %s: Adapter OFFLINE! "
+			      "Do not issue command.\n",
+			      ha->host_no, __func__));
+		goto queuing_error;
+	}
+
 	/* Calculate the number of request entries needed. */
 	nseg = scsi_dma_map(cmd);
 	if (nseg < 0)
@@ -224,17 +243,7 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb)
 	tot_dsds = nseg;
 
 	req_cnt = qla4xxx_calc_request_entries(tot_dsds);
-
-	if (ha->req_q_count < (req_cnt + 2)) {
-		cnt = (uint16_t) le32_to_cpu(ha->shadow_regs->req_q_out);
-		if (ha->request_in < cnt)
-			ha->req_q_count = cnt - ha->request_in;
-		else
-			ha->req_q_count = REQUEST_QUEUE_DEPTH -
-				(ha->request_in - cnt);
-	}
-
-	if (ha->req_q_count < (req_cnt + 2))
+	if (!qla4xxx_space_in_req_ring(ha, req_cnt))
 		goto queuing_error;
 
 	/* total iocbs active */
@@ -286,32 +295,10 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb)
 			break;
 		}
 
-
-	/* Advance request queue pointer */
-	ha->request_in++;
-	if (ha->request_in == REQUEST_QUEUE_DEPTH) {
-		ha->request_in = 0;
-		ha->request_ptr = ha->request_ring;
-	} else
-		ha->request_ptr++;
-
-
+	qla4xxx_advance_req_ring_ptr(ha);
 	qla4xxx_build_scsi_iocbs(srb, cmd_entry, tot_dsds);
 	wmb();
 
-	/*
-	 * Check to see if adapter is online before placing request on
-	 * request queue.  If a reset occurs and a request is in the queue,
-	 * the firmware will still attempt to process the request, retrieving
-	 * garbage for pointers.
-	 */
-	if (!test_bit(AF_ONLINE, &ha->flags)) {
-		DEBUG2(printk("scsi%ld: %s: Adapter OFFLINE! "
-			      "Do not issue command.\n",
-			      ha->host_no, __func__));
-		goto queuing_error;
-	}
-
 	srb->cmd->host_scribble = (unsigned char *)srb;
 
 	/* update counters */
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index 799120fcb9be..8025ee16588e 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -11,6 +11,98 @@
 #include "ql4_inline.h"
 
 /**
+ * qla4xxx_copy_sense - copy sense data	into cmd sense buffer
+ * @ha: Pointer to host adapter structure.
+ * @sts_entry: Pointer to status entry structure.
+ * @srb: Pointer to srb structure.
+ **/
+static void qla4xxx_copy_sense(struct scsi_qla_host *ha,
+                               struct status_entry *sts_entry,
+                               struct srb *srb)
+{
+	struct scsi_cmnd *cmd = srb->cmd;
+	uint16_t sense_len;
+
+	memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
+	sense_len = le16_to_cpu(sts_entry->senseDataByteCnt);
+	if (sense_len == 0)
+		return;
+
+	/* Save total available sense length,
+	 * not to exceed cmd's sense buffer size */
+	sense_len = min_t(uint16_t, sense_len, SCSI_SENSE_BUFFERSIZE);
+	srb->req_sense_ptr = cmd->sense_buffer;
+	srb->req_sense_len = sense_len;
+
+	/* Copy sense from sts_entry pkt */
+	sense_len = min_t(uint16_t, sense_len, IOCB_MAX_SENSEDATA_LEN);
+	memcpy(cmd->sense_buffer, sts_entry->senseData, sense_len);
+
+	DEBUG2(printk(KERN_INFO "scsi%ld:%d:%d:%d: %s: sense key = %x, "
+		"ASL= %02x, ASC/ASCQ = %02x/%02x\n", ha->host_no,
+		cmd->device->channel, cmd->device->id,
+		cmd->device->lun, __func__,
+		sts_entry->senseData[2] & 0x0f,
+		sts_entry->senseData[7],
+		sts_entry->senseData[12],
+		sts_entry->senseData[13]));
+
+	DEBUG5(qla4xxx_dump_buffer(cmd->sense_buffer, sense_len));
+	srb->flags |= SRB_GOT_SENSE;
+
+	/* Update srb, in case a sts_cont pkt follows */
+	srb->req_sense_ptr += sense_len;
+	srb->req_sense_len -= sense_len;
+	if (srb->req_sense_len != 0)
+		ha->status_srb = srb;
+	else
+		ha->status_srb = NULL;
+}
+
+/**
+ * qla4xxx_status_cont_entry - Process a Status Continuations entry.
+ * @ha: SCSI driver HA context
+ * @sts_cont: Entry pointer
+ *
+ * Extended sense data.
+ */
+static void
+qla4xxx_status_cont_entry(struct scsi_qla_host *ha,
+			  struct status_cont_entry *sts_cont)
+{
+	struct srb *srb = ha->status_srb;
+	struct scsi_cmnd *cmd;
+	uint8_t sense_len;
+
+	if (srb == NULL)
+		return;
+
+	cmd = srb->cmd;
+	if (cmd == NULL) {
+		DEBUG2(printk(KERN_INFO "scsi%ld: %s: Cmd already returned "
+			"back to OS srb=%p srb->state:%d\n", ha->host_no,
+			__func__, srb, srb->state));
+		ha->status_srb = NULL;
+		return;
+	}
+
+	/* Copy sense data. */
+	sense_len = min_t(uint16_t, srb->req_sense_len,
+			  IOCB_MAX_EXT_SENSEDATA_LEN);
+	memcpy(srb->req_sense_ptr, sts_cont->ext_sense_data, sense_len);
+	DEBUG5(qla4xxx_dump_buffer(srb->req_sense_ptr, sense_len));
+
+	srb->req_sense_ptr += sense_len;
+	srb->req_sense_len -= sense_len;
+
+	/* Place command on done queue. */
+	if (srb->req_sense_len == 0) {
+		qla4xxx_srb_compl(ha, srb);
+		ha->status_srb = NULL;
+	}
+}
+
+/**
  * qla4xxx_status_entry - processes status IOCBs
  * @ha: Pointer to host adapter structure.
  * @sts_entry: Pointer to status entry structure.
@@ -23,7 +115,6 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 	struct srb *srb;
 	struct ddb_entry *ddb_entry;
 	uint32_t residual;
-	uint16_t sensebytecnt;
 
 	srb = qla4xxx_del_from_active_array(ha, le32_to_cpu(sts_entry->handle));
 	if (!srb) {
@@ -92,24 +183,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 			break;
 
 		/* Copy Sense Data into sense buffer. */
-		memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
-
-		sensebytecnt = le16_to_cpu(sts_entry->senseDataByteCnt);
-		if (sensebytecnt == 0)
-			break;
-
-		memcpy(cmd->sense_buffer, sts_entry->senseData,
-		       min_t(uint16_t, sensebytecnt, SCSI_SENSE_BUFFERSIZE));
-
-		DEBUG2(printk("scsi%ld:%d:%d:%d: %s: sense key = %x, "
-			      "ASC/ASCQ = %02x/%02x\n", ha->host_no,
-			      cmd->device->channel, cmd->device->id,
-			      cmd->device->lun, __func__,
-			      sts_entry->senseData[2] & 0x0f,
-			      sts_entry->senseData[12],
-			      sts_entry->senseData[13]));
-
-		srb->flags |= SRB_GOT_SENSE;
+		qla4xxx_copy_sense(ha, sts_entry, srb);
 		break;
 
 	case SCS_INCOMPLETE:
@@ -176,23 +250,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 				break;
 
 			/* Copy Sense Data into sense buffer. */
-			memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
-
-			sensebytecnt =
-				le16_to_cpu(sts_entry->senseDataByteCnt);
-			if (sensebytecnt == 0)
-				break;
-
-			memcpy(cmd->sense_buffer, sts_entry->senseData,
-			       min_t(uint16_t, sensebytecnt, SCSI_SENSE_BUFFERSIZE));
-
-			DEBUG2(printk("scsi%ld:%d:%d:%d: %s: sense key = %x, "
-				      "ASC/ASCQ = %02x/%02x\n", ha->host_no,
-				      cmd->device->channel, cmd->device->id,
-				      cmd->device->lun, __func__,
-				      sts_entry->senseData[2] & 0x0f,
-				      sts_entry->senseData[12],
-				      sts_entry->senseData[13]));
+			qla4xxx_copy_sense(ha, sts_entry, srb);
 		} else {
 			/*
 			 * If RISC reports underrun and target does not
@@ -268,9 +326,10 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 
 status_entry_exit:
 
-	/* complete the request */
+	/* complete the request, if not waiting for status_continuation pkt */
 	srb->cc_stat = sts_entry->completionStatus;
-	qla4xxx_srb_compl(ha, srb);
+	if (ha->status_srb == NULL)
+		qla4xxx_srb_compl(ha, srb);
 }
 
 /**
@@ -305,10 +364,7 @@ static void qla4xxx_process_response_queue(struct scsi_qla_host * ha)
 		/* process entry */
 		switch (sts_entry->hdr.entryType) {
 		case ET_STATUS:
-			/*
-			 * Common status - Single completion posted in single
-			 * IOSB.
-			 */
+			/* Common status */
 			qla4xxx_status_entry(ha, sts_entry);
 			break;
 
@@ -316,9 +372,8 @@ static void qla4xxx_process_response_queue(struct scsi_qla_host * ha)
 			break;
 
 		case ET_STATUS_CONTINUATION:
-			/* Just throw away the status continuation entries */
-			DEBUG2(printk("scsi%ld: %s: Status Continuation entry "
-				      "- ignoring\n", ha->host_no, __func__));
+			qla4xxx_status_cont_entry(ha,
+				(struct status_cont_entry *) sts_entry);
 			break;
 
 		case ET_COMMAND:
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 051b0f5e8c8e..09d6d4b76f39 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -385,16 +385,6 @@ int qla4xxx_get_firmware_status(struct scsi_qla_host * ha)
 			      mbox_sts[0]));
 		return QLA_ERROR;
 	}
-
-	/* High-water mark of IOCBs */
-	ha->iocb_hiwat = mbox_sts[2];
-	if (ha->iocb_hiwat > IOCB_HIWAT_CUSHION)
-		ha->iocb_hiwat -= IOCB_HIWAT_CUSHION;
-	else
-		dev_info(&ha->pdev->dev, "WARNING!!!  You have less than %d "
-			   "firmware IOCBs available (%d).\n",
-			   IOCB_HIWAT_CUSHION, ha->iocb_hiwat);
-
 	return QLA_SUCCESS;
 }
 
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index ec9da6ce8489..40e3cafb3a9c 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -66,6 +66,7 @@ static int qla4xxx_sess_get_param(struct iscsi_cls_session *sess,
 static int qla4xxx_host_get_param(struct Scsi_Host *shost,
 				  enum iscsi_host_param param, char *buf);
 static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session);
+static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc);
 
 /*
  * SCSI host template entry points
@@ -89,6 +90,7 @@ static struct scsi_host_template qla4xxx_driver_template = {
 	.eh_device_reset_handler = qla4xxx_eh_device_reset,
 	.eh_target_reset_handler = qla4xxx_eh_target_reset,
 	.eh_host_reset_handler	= qla4xxx_eh_host_reset,
+	.eh_timed_out		= qla4xxx_eh_cmd_timed_out,
 
 	.slave_configure	= qla4xxx_slave_configure,
 	.slave_alloc		= qla4xxx_slave_alloc,
@@ -124,6 +126,21 @@ static struct iscsi_transport qla4xxx_iscsi_transport = {
 
 static struct scsi_transport_template *qla4xxx_scsi_transport;
 
+static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
+{
+	struct iscsi_cls_session *session;
+	struct ddb_entry *ddb_entry;
+
+	session = starget_to_session(scsi_target(sc->device));
+	ddb_entry = session->dd_data;
+
+	/* if we are not logged in then the LLD is going to clean up the cmd */
+	if (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE)
+		return BLK_EH_RESET_TIMER;
+	else
+		return BLK_EH_NOT_HANDLED;
+}
+
 static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session)
 {
 	struct ddb_entry *ddb_entry = session->dd_data;
@@ -904,18 +921,17 @@ static int qla4xxx_recover_adapter(struct scsi_qla_host *ha,
 	/* Flush any pending ddb changed AENs */
 	qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
 
+	qla4xxx_flush_active_srbs(ha);
+
 	/* Reset the firmware.	If successful, function
 	 * returns with ISP interrupts enabled.
 	 */
-	if (status == QLA_SUCCESS) {
-		DEBUG2(printk("scsi%ld: %s - Performing soft reset..\n",
-			      ha->host_no, __func__));
-		qla4xxx_flush_active_srbs(ha);
-		if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS)
-			status = qla4xxx_soft_reset(ha);
-		else
-			status = QLA_ERROR;
-	}
+	DEBUG2(printk("scsi%ld: %s - Performing soft reset..\n",
+		      ha->host_no, __func__));
+	if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS)
+		status = qla4xxx_soft_reset(ha);
+	else
+		status = QLA_ERROR;
 
 	/* Flush any pending ddb changed AENs */
 	qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
@@ -1527,11 +1543,9 @@ static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd)
 {
 	struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
 	struct ddb_entry *ddb_entry = cmd->device->hostdata;
-	struct srb *sp;
 	int ret = FAILED, stat;
 
-	sp = (struct srb *) cmd->SCp.ptr;
-	if (!sp || !ddb_entry)
+	if (!ddb_entry)
 		return ret;
 
 	dev_info(&ha->pdev->dev,
@@ -1644,7 +1658,7 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
 	ha = (struct scsi_qla_host *) cmd->device->host->hostdata;
 
 	dev_info(&ha->pdev->dev,
-		   "scsi(%ld:%d:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no,
+		   "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no,
 		   cmd->device->channel, cmd->device->id, cmd->device->lun);
 
 	if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) {
diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h
index ab984cb89cea..6980cb279c81 100644
--- a/drivers/scsi/qla4xxx/ql4_version.h
+++ b/drivers/scsi/qla4xxx/ql4_version.h
@@ -5,5 +5,5 @@
  * See LICENSE.qla4xxx for copyright and licensing details.
  */
 
-#define QLA4XXX_DRIVER_VERSION	"5.01.00-k8"
+#define QLA4XXX_DRIVER_VERSION	"5.01.00-k9"
 
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 783e33c65eb7..b47240ca4b19 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -990,7 +990,7 @@ int iscsi_offload_mesg(struct Scsi_Host *shost,
 	struct iscsi_uevent *ev;
 	int len = NLMSG_SPACE(sizeof(*ev) + data_size);
 
-	skb = alloc_skb(len, GFP_NOIO);
+	skb = alloc_skb(len, GFP_ATOMIC);
 	if (!skb) {
 		printk(KERN_ERR "can not deliver iscsi offload message:OOM\n");
 		return -ENOMEM;
@@ -1012,7 +1012,7 @@ int iscsi_offload_mesg(struct Scsi_Host *shost,
 
 	memcpy((char *)ev + sizeof(*ev), data, data_size);
 
-	return iscsi_multicast_skb(skb, ISCSI_NL_GRP_UIP, GFP_NOIO);
+	return iscsi_multicast_skb(skb, ISCSI_NL_GRP_UIP, GFP_ATOMIC);
 }
 EXPORT_SYMBOL_GPL(iscsi_offload_mesg);
 
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 5616cd780ff3..b7b9fec67a98 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1840,6 +1840,18 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp)
 	kfree(buffer);
 }
 
+static int sd_try_extended_inquiry(struct scsi_device *sdp)
+{
+	/*
+	 * Although VPD inquiries can go to SCSI-2 type devices,
+	 * some USB ones crash on receiving them, and the pages
+	 * we currently ask for are for SPC-3 and beyond
+	 */
+	if (sdp->scsi_level > SCSI_SPC_2)
+		return 1;
+	return 0;
+}
+
 /**
  *	sd_revalidate_disk - called the first time a new disk is seen,
  *	performs disk spin up, read_capacity, etc.
@@ -1877,8 +1889,12 @@ static int sd_revalidate_disk(struct gendisk *disk)
 	 */
 	if (sdkp->media_present) {
 		sd_read_capacity(sdkp, buffer);
-		sd_read_block_limits(sdkp);
-		sd_read_block_characteristics(sdkp);
+
+		if (sd_try_extended_inquiry(sdp)) {
+			sd_read_block_limits(sdkp);
+			sd_read_block_characteristics(sdkp);
+		}
+
 		sd_read_write_protect_flag(sdkp, buffer);
 		sd_read_cache_type(sdkp, buffer);
 		sd_read_app_tag_own(sdkp, buffer);
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index cdd552d33a78..03422ce878cf 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -527,7 +527,7 @@ config SERIAL_S3C24A0
 
 config SERIAL_S3C6400
 	tristate "Samsung S3C6400/S3C6410 Serial port support"
-	depends on SERIAL_SAMSUNG && (CPU_S3C600 || CPU_S3C6410)
+	depends on SERIAL_SAMSUNG && (CPU_S3C6400 || CPU_S3C6410)
 	default y
 	help
 	  Serial port support for the Samsung S3C6400 and S3C6410
diff --git a/drivers/serial/s3c2400.c b/drivers/serial/s3c2400.c
index fb00ed5296e6..fed1a9a1ffb4 100644
--- a/drivers/serial/s3c2400.c
+++ b/drivers/serial/s3c2400.c
@@ -76,7 +76,7 @@ static int s3c2400_serial_probe(struct platform_device *dev)
 	return s3c24xx_serial_probe(dev, &s3c2400_uart_inf);
 }
 
-static struct platform_driver s3c2400_serial_drv = {
+static struct platform_driver s3c2400_serial_driver = {
 	.probe		= s3c2400_serial_probe,
 	.remove		= __devexit_p(s3c24xx_serial_remove),
 	.driver		= {
@@ -85,16 +85,16 @@ static struct platform_driver s3c2400_serial_drv = {
 	},
 };
 
-s3c24xx_console_init(&s3c2400_serial_drv, &s3c2400_uart_inf);
+s3c24xx_console_init(&s3c2400_serial_driver, &s3c2400_uart_inf);
 
 static inline int s3c2400_serial_init(void)
 {
-	return s3c24xx_serial_init(&s3c2400_serial_drv, &s3c2400_uart_inf);
+	return s3c24xx_serial_init(&s3c2400_serial_driver, &s3c2400_uart_inf);
 }
 
 static inline void s3c2400_serial_exit(void)
 {
-	platform_driver_unregister(&s3c2400_serial_drv);
+	platform_driver_unregister(&s3c2400_serial_driver);
 }
 
 module_init(s3c2400_serial_init);
diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c
index b5d7cbcba2ae..c99f0821cae3 100644
--- a/drivers/serial/s3c2410.c
+++ b/drivers/serial/s3c2410.c
@@ -88,7 +88,7 @@ static int s3c2410_serial_probe(struct platform_device *dev)
 	return s3c24xx_serial_probe(dev, &s3c2410_uart_inf);
 }
 
-static struct platform_driver s3c2410_serial_drv = {
+static struct platform_driver s3c2410_serial_driver = {
 	.probe		= s3c2410_serial_probe,
 	.remove		= __devexit_p(s3c24xx_serial_remove),
 	.driver		= {
@@ -97,16 +97,16 @@ static struct platform_driver s3c2410_serial_drv = {
 	},
 };
 
-s3c24xx_console_init(&s3c2410_serial_drv, &s3c2410_uart_inf);
+s3c24xx_console_init(&s3c2410_serial_driver, &s3c2410_uart_inf);
 
 static int __init s3c2410_serial_init(void)
 {
-	return s3c24xx_serial_init(&s3c2410_serial_drv, &s3c2410_uart_inf);
+	return s3c24xx_serial_init(&s3c2410_serial_driver, &s3c2410_uart_inf);
 }
 
 static void __exit s3c2410_serial_exit(void)
 {
-	platform_driver_unregister(&s3c2410_serial_drv);
+	platform_driver_unregister(&s3c2410_serial_driver);
 }
 
 module_init(s3c2410_serial_init);
diff --git a/drivers/serial/s3c2412.c b/drivers/serial/s3c2412.c
index 11dcb90bdfef..6e057d8809d3 100644
--- a/drivers/serial/s3c2412.c
+++ b/drivers/serial/s3c2412.c
@@ -121,7 +121,7 @@ static int s3c2412_serial_probe(struct platform_device *dev)
 	return s3c24xx_serial_probe(dev, &s3c2412_uart_inf);
 }
 
-static struct platform_driver s3c2412_serial_drv = {
+static struct platform_driver s3c2412_serial_driver = {
 	.probe		= s3c2412_serial_probe,
 	.remove		= __devexit_p(s3c24xx_serial_remove),
 	.driver		= {
@@ -130,16 +130,16 @@ static struct platform_driver s3c2412_serial_drv = {
 	},
 };
 
-s3c24xx_console_init(&s3c2412_serial_drv, &s3c2412_uart_inf);
+s3c24xx_console_init(&s3c2412_serial_driver, &s3c2412_uart_inf);
 
 static inline int s3c2412_serial_init(void)
 {
-	return s3c24xx_serial_init(&s3c2412_serial_drv, &s3c2412_uart_inf);
+	return s3c24xx_serial_init(&s3c2412_serial_driver, &s3c2412_uart_inf);
 }
 
 static inline void s3c2412_serial_exit(void)
 {
-	platform_driver_unregister(&s3c2412_serial_drv);
+	platform_driver_unregister(&s3c2412_serial_driver);
 }
 
 module_init(s3c2412_serial_init);
diff --git a/drivers/serial/s3c2440.c b/drivers/serial/s3c2440.c
index 06c5b0cc47a3..69ff5d340f04 100644
--- a/drivers/serial/s3c2440.c
+++ b/drivers/serial/s3c2440.c
@@ -151,7 +151,7 @@ static int s3c2440_serial_probe(struct platform_device *dev)
 	return s3c24xx_serial_probe(dev, &s3c2440_uart_inf);
 }
 
-static struct platform_driver s3c2440_serial_drv = {
+static struct platform_driver s3c2440_serial_driver = {
 	.probe		= s3c2440_serial_probe,
 	.remove		= __devexit_p(s3c24xx_serial_remove),
 	.driver		= {
@@ -160,16 +160,16 @@ static struct platform_driver s3c2440_serial_drv = {
 	},
 };
 
-s3c24xx_console_init(&s3c2440_serial_drv, &s3c2440_uart_inf);
+s3c24xx_console_init(&s3c2440_serial_driver, &s3c2440_uart_inf);
 
 static int __init s3c2440_serial_init(void)
 {
-	return s3c24xx_serial_init(&s3c2440_serial_drv, &s3c2440_uart_inf);
+	return s3c24xx_serial_init(&s3c2440_serial_driver, &s3c2440_uart_inf);
 }
 
 static void __exit s3c2440_serial_exit(void)
 {
-	platform_driver_unregister(&s3c2440_serial_drv);
+	platform_driver_unregister(&s3c2440_serial_driver);
 }
 
 module_init(s3c2440_serial_init);
diff --git a/drivers/serial/s3c24a0.c b/drivers/serial/s3c24a0.c
index 786a067d62ac..26c49e18bdd1 100644
--- a/drivers/serial/s3c24a0.c
+++ b/drivers/serial/s3c24a0.c
@@ -92,7 +92,7 @@ static int s3c24a0_serial_probe(struct platform_device *dev)
 	return s3c24xx_serial_probe(dev, &s3c24a0_uart_inf);
 }
 
-static struct platform_driver s3c24a0_serial_drv = {
+static struct platform_driver s3c24a0_serial_driver = {
 	.probe		= s3c24a0_serial_probe,
 	.remove		= __devexit_p(s3c24xx_serial_remove),
 	.driver		= {
@@ -101,16 +101,16 @@ static struct platform_driver s3c24a0_serial_drv = {
 	},
 };
 
-s3c24xx_console_init(&s3c24a0_serial_drv, &s3c24a0_uart_inf);
+s3c24xx_console_init(&s3c24a0_serial_driver, &s3c24a0_uart_inf);
 
 static int __init s3c24a0_serial_init(void)
 {
-	return s3c24xx_serial_init(&s3c24a0_serial_drv, &s3c24a0_uart_inf);
+	return s3c24xx_serial_init(&s3c24a0_serial_driver, &s3c24a0_uart_inf);
 }
 
 static void __exit s3c24a0_serial_exit(void)
 {
-	platform_driver_unregister(&s3c24a0_serial_drv);
+	platform_driver_unregister(&s3c24a0_serial_driver);
 }
 
 module_init(s3c24a0_serial_init);
diff --git a/drivers/serial/s3c6400.c b/drivers/serial/s3c6400.c
index 48f1a3781f0d..4be92ab50058 100644
--- a/drivers/serial/s3c6400.c
+++ b/drivers/serial/s3c6400.c
@@ -122,7 +122,7 @@ static int s3c6400_serial_probe(struct platform_device *dev)
 	return s3c24xx_serial_probe(dev, &s3c6400_uart_inf);
 }
 
-static struct platform_driver s3c6400_serial_drv = {
+static struct platform_driver s3c6400_serial_driver = {
 	.probe		= s3c6400_serial_probe,
 	.remove		= __devexit_p(s3c24xx_serial_remove),
 	.driver		= {
@@ -131,16 +131,16 @@ static struct platform_driver s3c6400_serial_drv = {
 	},
 };
 
-s3c24xx_console_init(&s3c6400_serial_drv, &s3c6400_uart_inf);
+s3c24xx_console_init(&s3c6400_serial_driver, &s3c6400_uart_inf);
 
 static int __init s3c6400_serial_init(void)
 {
-	return s3c24xx_serial_init(&s3c6400_serial_drv, &s3c6400_uart_inf);
+	return s3c24xx_serial_init(&s3c6400_serial_driver, &s3c6400_uart_inf);
 }
 
 static void __exit s3c6400_serial_exit(void)
 {
-	platform_driver_unregister(&s3c6400_serial_drv);
+	platform_driver_unregister(&s3c6400_serial_driver);
 }
 
 module_init(s3c6400_serial_init);
diff --git a/drivers/serial/serial_ks8695.c b/drivers/serial/serial_ks8695.c
index 998e89dc5aaf..52db5cc3f900 100644
--- a/drivers/serial/serial_ks8695.c
+++ b/drivers/serial/serial_ks8695.c
@@ -110,7 +110,11 @@ static struct console ks8695_console;
 static void ks8695uart_stop_tx(struct uart_port *port)
 {
 	if (tx_enabled(port)) {
-		disable_irq(KS8695_IRQ_UART_TX);
+		/* use disable_irq_nosync() and not disable_irq() to avoid self
+		 * imposed deadlock by not waiting for irq handler to end,
+		 * since this ks8695uart_stop_tx() is called from interrupt context.
+		 */
+		disable_irq_nosync(KS8695_IRQ_UART_TX);
 		tx_enable(port, 0);
 	}
 }
@@ -549,7 +553,7 @@ static struct uart_port ks8695uart_ports[SERIAL_KS8695_NR] = {
 		.mapbase	= KS8695_UART_VA,
 		.iotype		= SERIAL_IO_MEM,
 		.irq		= KS8695_IRQ_UART_TX,
-		.uartclk	= CLOCK_TICK_RATE * 16,
+		.uartclk	= KS8695_CLOCK_RATE * 16,
 		.fifosize	= 16,
 		.ops		= &ks8695uart_pops,
 		.flags		= ASYNC_BOOT_AUTOCONF,
diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c
index e0d44af4745a..3f3119d760db 100644
--- a/drivers/spi/spi_s3c24xx.c
+++ b/drivers/spi/spi_s3c24xx.c
@@ -111,29 +111,32 @@ static int s3c24xx_spi_setupxfer(struct spi_device *spi,
 	unsigned int bpw;
 	unsigned int hz;
 	unsigned int div;
+	unsigned long clk;
 
 	bpw = t ? t->bits_per_word : spi->bits_per_word;
 	hz  = t ? t->speed_hz : spi->max_speed_hz;
 
+	if (!bpw)
+		bpw = 8;
+
+	if (!hz)
+		hz = spi->max_speed_hz;
+
 	if (bpw != 8) {
 		dev_err(&spi->dev, "invalid bits-per-word (%d)\n", bpw);
 		return -EINVAL;
 	}
 
-	div = clk_get_rate(hw->clk) / hz;
-
-	/* is clk = pclk / (2 * (pre+1)), or is it
-	 *    clk = (pclk * 2) / ( pre + 1) */
-
-	div /= 2;
-
-	if (div > 0)
-		div -= 1;
+	clk = clk_get_rate(hw->clk);
+	div = DIV_ROUND_UP(clk, hz * 2) - 1;
 
 	if (div > 255)
 		div = 255;
 
-	dev_dbg(&spi->dev, "setting pre-scaler to %d (hz %d)\n", div, hz);
+	dev_dbg(&spi->dev, "setting pre-scaler to %d (wanted %d, got %ld)\n",
+		div, hz, clk / (2 * (div + 1)));
+
+
 	writeb(div, hw->regs + S3C2410_SPPRE);
 
 	spin_lock(&hw->bitbang.lock);
diff --git a/drivers/staging/b3dfg/Kconfig b/drivers/staging/b3dfg/Kconfig
index 524231047de5..9e6573cf97d3 100644
--- a/drivers/staging/b3dfg/Kconfig
+++ b/drivers/staging/b3dfg/Kconfig
@@ -1,5 +1,6 @@
 config B3DFG
        tristate "Brontes 3d Frame Framegrabber"
+       depends on PCI
        default n
        ---help---
          This driver provides support for the Brontes 3d Framegrabber
diff --git a/drivers/staging/heci/Kconfig b/drivers/staging/heci/Kconfig
index ae8d588d3a27..c7206f8bcd93 100644
--- a/drivers/staging/heci/Kconfig
+++ b/drivers/staging/heci/Kconfig
@@ -1,5 +1,6 @@
 config HECI
 	tristate "Intel Management Engine Interface (MEI) Support"
+	depends on PCI
 	---help---
 	  The Intel Management Engine Interface (Intel MEI) driver allows
 	  applications to access the Active Management Technology
diff --git a/drivers/staging/rspiusb/rspiusb.c b/drivers/staging/rspiusb/rspiusb.c
index 2f8155c1968b..04e2f92c0f62 100644
--- a/drivers/staging/rspiusb/rspiusb.c
+++ b/drivers/staging/rspiusb/rspiusb.c
@@ -716,6 +716,8 @@ static int MapUserBuffer(struct ioctl_struct *io, struct device_extension *pdx)
 		pdx->PixelUrb[frameInfo][i]->transfer_flags =
 		    URB_NO_TRANSFER_DMA_MAP | URB_NO_INTERRUPT;
 	}
+	if (i == 0)
+		return -EINVAL;
 	/* only interrupt when last URB completes */
 	pdx->PixelUrb[frameInfo][--i]->transfer_flags &= ~URB_NO_INTERRUPT;
 	pdx->pendedPixelUrbs[frameInfo] =
diff --git a/drivers/staging/rt2860/rt_linux.h b/drivers/staging/rt2860/rt_linux.h
index 85175c182432..25b53ac3f820 100644
--- a/drivers/staging/rt2860/rt_linux.h
+++ b/drivers/staging/rt2860/rt_linux.h
@@ -43,9 +43,6 @@
 #include "rtmp_type.h"
 #include <linux/module.h>
 #include <linux/kernel.h>
-#if !defined(RT2860) && !defined(RT30xx)
-#include <linux/kthread.h>
-#endif
 
 #include <linux/spinlock.h>
 #include <linux/init.h>
@@ -166,9 +163,7 @@ typedef int (*HARD_START_XMIT_FUNC)(struct sk_buff *skb, struct net_device *net_
 
 #ifndef RT30xx
 typedef	struct pid *	THREAD_PID;
-#ifdef RT2860
 #define	THREAD_PID_INIT_VALUE	NULL
-#endif
 #define	GET_PID(_v)	find_get_pid(_v)
 #define	GET_PID_NUMBER(_v)	pid_nr(_v)
 #define CHECK_PID_LEGALITY(_pid)	if (pid_nr(_pid) >= 0)
@@ -188,12 +183,12 @@ struct os_cookie {
 	dma_addr_t		  		pAd_pa;
 #endif
 #ifdef RT2870
-	struct usb_device	*pUsb_Dev;
+	struct usb_device		*pUsb_Dev;
 
 #ifndef RT30xx
-	struct task_struct	*MLMEThr_task;
-	struct task_struct	*RTUSBCmdThr_task;
-	struct task_struct	*TimerQThr_task;
+	THREAD_PID				MLMEThr_pid;
+	THREAD_PID				RTUSBCmdThr_pid;
+	THREAD_PID				TimerQThr_pid;
 #endif
 #ifdef RT30xx
 	struct pid	*MLMEThr_pid;
diff --git a/drivers/staging/rt2870/2870_main_dev.c b/drivers/staging/rt2870/2870_main_dev.c
index dd01c64fbf61..a4e8696ca39c 100644
--- a/drivers/staging/rt2870/2870_main_dev.c
+++ b/drivers/staging/rt2870/2870_main_dev.c
@@ -235,7 +235,7 @@ INT MlmeThread(
 	DBGPRINT(RT_DEBUG_TRACE,( "<---%s\n",__func__));
 
 #ifndef RT30xx
-	pObj->MLMEThr_task = NULL;
+	pObj->MLMEThr_pid = THREAD_PID_INIT_VALUE;
 #endif
 #ifdef RT30xx
 	pObj->MLMEThr_pid = NULL;
@@ -348,7 +348,7 @@ INT RTUSBCmdThread(
 	DBGPRINT(RT_DEBUG_TRACE,( "<---RTUSBCmdThread\n"));
 
 #ifndef RT30xx
-	pObj->RTUSBCmdThr_task = NULL;
+	pObj->RTUSBCmdThr_pid = THREAD_PID_INIT_VALUE;
 #endif
 #ifdef RT30xx
 	pObj->RTUSBCmdThr_pid = NULL;
@@ -447,7 +447,7 @@ INT TimerQThread(
 	DBGPRINT(RT_DEBUG_TRACE,( "<---%s\n",__func__));
 
 #ifndef RT30xx
-	pObj->TimerQThr_task = NULL;
+	pObj->TimerQThr_pid = THREAD_PID_INIT_VALUE;
 #endif
 #ifdef RT30xx
 	pObj->TimerQThr_pid = NULL;
@@ -883,46 +883,69 @@ VOID RT28xxThreadTerminate(
 
 	// Terminate Threads
 #ifndef RT30xx
-	BUG_ON(pObj->TimerQThr_task == NULL);
-	CHECK_PID_LEGALITY(task_pid(pObj->TimerQThr_task))
+	CHECK_PID_LEGALITY(pObj->TimerQThr_pid)
 	{
 		POS_COOKIE pObj = (POS_COOKIE)pAd->OS_Cookie;
 
-		printk(KERN_DEBUG "Terminate the TimerQThr pid=%d!\n",
-			pid_nr(task_pid(pObj->TimerQThr_task)));
+		printk("Terminate the TimerQThr_pid=%d!\n", GET_PID_NUMBER(pObj->TimerQThr_pid));
 		mb();
 		pAd->TimerFunc_kill = 1;
 		mb();
-		kthread_stop(pObj->TimerQThr_task);
-		pObj->TimerQThr_task = NULL;
+		ret = KILL_THREAD_PID(pObj->TimerQThr_pid, SIGTERM, 1);
+		if (ret)
+		{
+			printk(KERN_WARNING "%s: unable to stop TimerQThread, pid=%d, ret=%d!\n",
+					pAd->net_dev->name, GET_PID_NUMBER(pObj->TimerQThr_pid), ret);
+		}
+		else
+		{
+			wait_for_completion(&pAd->TimerQComplete);
+			pObj->TimerQThr_pid = THREAD_PID_INIT_VALUE;
+		}
 	}
 
-	BUG_ON(pObj->MLMEThr_task == NULL);
-	CHECK_PID_LEGALITY(task_pid(pObj->MLMEThr_task))
+	CHECK_PID_LEGALITY(pObj->MLMEThr_pid)
 	{
-		printk(KERN_DEBUG "Terminate the MLMEThr pid=%d!\n",
-			pid_nr(task_pid(pObj->MLMEThr_task)));
+		printk("Terminate the MLMEThr_pid=%d!\n", GET_PID_NUMBER(pObj->MLMEThr_pid));
 		mb();
 		pAd->mlme_kill = 1;
 		//RT28XX_MLME_HANDLER(pAd);
 		mb();
-		kthread_stop(pObj->MLMEThr_task);
-		pObj->MLMEThr_task = NULL;
+		ret = KILL_THREAD_PID(pObj->MLMEThr_pid, SIGTERM, 1);
+		if (ret)
+		{
+			printk (KERN_WARNING "%s: unable to Mlme thread, pid=%d, ret=%d!\n",
+					pAd->net_dev->name, GET_PID_NUMBER(pObj->MLMEThr_pid), ret);
+		}
+		else
+		{
+			//wait_for_completion (&pAd->notify);
+			wait_for_completion (&pAd->mlmeComplete);
+			pObj->MLMEThr_pid = THREAD_PID_INIT_VALUE;
+		}
 	}
 
-	BUG_ON(pObj->RTUSBCmdThr_task == NULL);
-	CHECK_PID_LEGALITY(task_pid(pObj->RTUSBCmdThr_task))
+	CHECK_PID_LEGALITY(pObj->RTUSBCmdThr_pid)
 	{
-		printk(KERN_DEBUG "Terminate the RTUSBCmdThr pid=%d!\n",
-			pid_nr(task_pid(pObj->RTUSBCmdThr_task)));
+		printk("Terminate the RTUSBCmdThr_pid=%d!\n", GET_PID_NUMBER(pObj->RTUSBCmdThr_pid));
 		mb();
 		NdisAcquireSpinLock(&pAd->CmdQLock);
 		pAd->CmdQ.CmdQState = RT2870_THREAD_STOPED;
 		NdisReleaseSpinLock(&pAd->CmdQLock);
 		mb();
 		//RTUSBCMDUp(pAd);
-		kthread_stop(pObj->RTUSBCmdThr_task);
-		pObj->RTUSBCmdThr_task = NULL;
+		ret = KILL_THREAD_PID(pObj->RTUSBCmdThr_pid, SIGTERM, 1);
+		if (ret)
+		{
+			printk(KERN_WARNING "%s: unable to RTUSBCmd thread, pid=%d, ret=%d!\n",
+					pAd->net_dev->name, GET_PID_NUMBER(pObj->RTUSBCmdThr_pid), ret);
+		}
+		else
+		{
+			//wait_for_completion (&pAd->notify);
+			wait_for_completion (&pAd->CmdQComplete);
+			pObj->RTUSBCmdThr_pid = THREAD_PID_INIT_VALUE;
+		}
 	}
 #endif
 #ifdef RT30xx
@@ -1045,7 +1068,7 @@ BOOLEAN RT28XXChipsetCheck(
 			dev_p->descriptor.idProduct == rtusb_usb_id[i].idProduct)
 		{
 #ifndef RT30xx
-			printk(KERN_DEBUG "rt2870: idVendor = 0x%x, idProduct = 0x%x\n",
+			printk("rt2870: idVendor = 0x%x, idProduct = 0x%x\n",
 #endif
 #ifdef RT30xx
 			printk("rt2870: idVendor = 0x%x, idProduct = 0x%x\n",
diff --git a/drivers/staging/rt2870/common/2870_rtmp_init.c b/drivers/staging/rt2870/common/2870_rtmp_init.c
index 0f4c8af97e47..80909e9ab5ae 100644
--- a/drivers/staging/rt2870/common/2870_rtmp_init.c
+++ b/drivers/staging/rt2870/common/2870_rtmp_init.c
@@ -700,8 +700,8 @@ NDIS_STATUS AdapterBlockAllocateMemory(
 	usb_dev = pObj->pUsb_Dev;
 
 #ifndef RT30xx
-	pObj->MLMEThr_task		= NULL;
-	pObj->RTUSBCmdThr_task	= NULL;
+	pObj->MLMEThr_pid		= THREAD_PID_INIT_VALUE;
+	pObj->RTUSBCmdThr_pid	= THREAD_PID_INIT_VALUE;
 #endif
 #ifdef RT30xx
 	pObj->MLMEThr_pid	= NULL;
@@ -743,7 +743,7 @@ NDIS_STATUS	 CreateThreads(
 	PRTMP_ADAPTER pAd = net_dev->ml_priv;
 	POS_COOKIE pObj = (POS_COOKIE) pAd->OS_Cookie;
 #ifndef RT30xx
-	struct task_struct *tsk;
+	pid_t pid_number = -1;
 #endif
 #ifdef RT30xx
 	pid_t pid_number;
@@ -762,10 +762,10 @@ NDIS_STATUS	 CreateThreads(
 
 	// Creat MLME Thread
 #ifndef RT30xx
-	pObj->MLMEThr_task = NULL;
-	tsk = kthread_run(MlmeThread, pAd, "%s", pAd->net_dev->name);
-
-	if (IS_ERR(tsk)) {
+	pObj->MLMEThr_pid= THREAD_PID_INIT_VALUE;
+	pid_number = kernel_thread(MlmeThread, pAd, CLONE_VM);
+	if (pid_number < 0)
+	{
 #endif
 #ifdef RT30xx
 	pObj->MLMEThr_pid = NULL;
@@ -778,7 +778,7 @@ NDIS_STATUS	 CreateThreads(
 	}
 
 #ifndef RT30xx
-	pObj->MLMEThr_task = tsk;
+	pObj->MLMEThr_pid = GET_PID(pid_number);
 #endif
 #ifdef RT30xx
 	pObj->MLMEThr_pid = find_get_pid(pid_number);
@@ -788,10 +788,9 @@ NDIS_STATUS	 CreateThreads(
 
 	// Creat Command Thread
 #ifndef RT30xx
-	pObj->RTUSBCmdThr_task = NULL;
-	tsk = kthread_run(RTUSBCmdThread, pAd, "%s", pAd->net_dev->name);
-
-	if (IS_ERR(tsk) < 0)
+	pObj->RTUSBCmdThr_pid= THREAD_PID_INIT_VALUE;
+	pid_number = kernel_thread(RTUSBCmdThread, pAd, CLONE_VM);
+	if (pid_number < 0)
 #endif
 #ifdef RT30xx
 	pObj->RTUSBCmdThr_pid = NULL;
@@ -804,7 +803,7 @@ NDIS_STATUS	 CreateThreads(
 	}
 
 #ifndef RT30xx
-	pObj->RTUSBCmdThr_task = tsk;
+	pObj->RTUSBCmdThr_pid = GET_PID(pid_number);
 #endif
 #ifdef RT30xx
 	pObj->RTUSBCmdThr_pid = find_get_pid(pid_number);
@@ -812,9 +811,9 @@ NDIS_STATUS	 CreateThreads(
 	wait_for_completion(&(pAd->CmdQComplete));
 
 #ifndef RT30xx
-	pObj->TimerQThr_task = NULL;
-	tsk = kthread_run(TimerQThread, pAd, "%s", pAd->net_dev->name);
-	if (IS_ERR(tsk) < 0)
+	pObj->TimerQThr_pid= THREAD_PID_INIT_VALUE;
+	pid_number = kernel_thread(TimerQThread, pAd, CLONE_VM);
+	if (pid_number < 0)
 #endif
 #ifdef RT30xx
 	pObj->TimerQThr_pid = NULL;
@@ -826,7 +825,7 @@ NDIS_STATUS	 CreateThreads(
 		return NDIS_STATUS_FAILURE;
 	}
 #ifndef RT30xx
-	pObj->TimerQThr_task = tsk;
+	pObj->TimerQThr_pid = GET_PID(pid_number);
 #endif
 #ifdef RT30xx
 	pObj->TimerQThr_pid = find_get_pid(pid_number);
diff --git a/drivers/staging/rt2870/common/rtusb_io.c b/drivers/staging/rt2870/common/rtusb_io.c
index fd1b0c18f2a0..704b5c2d5091 100644
--- a/drivers/staging/rt2870/common/rtusb_io.c
+++ b/drivers/staging/rt2870/common/rtusb_io.c
@@ -984,8 +984,7 @@ NDIS_STATUS	RTUSBEnqueueCmdFromNdis(
 	POS_COOKIE pObj = (POS_COOKIE) pAd->OS_Cookie;
 
 #ifndef RT30xx
-	BUG_ON(pObj->RTUSBCmdThr_task == NULL);
-	CHECK_PID_LEGALITY(task_pid(pObj->RTUSBCmdThr_task))
+	CHECK_PID_LEGALITY(pObj->RTUSBCmdThr_pid)
 #endif
 #ifdef RT30xx
 	if (pObj->RTUSBCmdThr_pid < 0)
diff --git a/drivers/staging/rt2870/rt2870.h b/drivers/staging/rt2870/rt2870.h
index 29e3b53e52a1..2b8872b2fd9d 100644
--- a/drivers/staging/rt2870/rt2870.h
+++ b/drivers/staging/rt2870/rt2870.h
@@ -79,6 +79,7 @@
 {	\
 	{USB_DEVICE(0x148F,0x2770)}, /* Ralink */		\
 	{USB_DEVICE(0x1737,0x0071)}, /* Linksys WUSB600N */	\
+	{USB_DEVICE(0x1737,0x0070)}, /* Linksys */	\
 	{USB_DEVICE(0x148F,0x2870)}, /* Ralink */		\
 	{USB_DEVICE(0x148F,0x3070)}, /* Ralink */		\
 	{USB_DEVICE(0x0B05,0x1731)}, /* Asus */			\
@@ -93,12 +94,14 @@
 	{USB_DEVICE(0x14B2,0x3C06)}, /* Conceptronic */		\
 	{USB_DEVICE(0x14B2,0x3C28)}, /* Conceptronic */		\
 	{USB_DEVICE(0x2019,0xED06)}, /* Planex Communications, Inc. */		\
+	{USB_DEVICE(0x2019,0xED14)}, /* Planex Communications, Inc. */		\
 	{USB_DEVICE(0x2019,0xAB25)}, /* Planex Communications, Inc. RT3070 */		\
 	{USB_DEVICE(0x07D1,0x3C09)}, /* D-Link */		\
 	{USB_DEVICE(0x07D1,0x3C11)}, /* D-Link */		\
 	{USB_DEVICE(0x14B2,0x3C07)}, /* AL */			\
 	{USB_DEVICE(0x14B2,0x3C12)}, /* AL */           \
 	{USB_DEVICE(0x050D,0x8053)}, /* Belkin */		\
+	{USB_DEVICE(0x050D,0x815C)}, /* Belkin */		\
 	{USB_DEVICE(0x14B2,0x3C23)}, /* Airlink */		\
 	{USB_DEVICE(0x14B2,0x3C27)}, /* Airlink */		\
 	{USB_DEVICE(0x07AA,0x002F)}, /* Corega */		\
@@ -587,16 +590,14 @@ VOID RTUSBBulkRxComplete(purbb_t pUrb, struct pt_regs *pt_regs);
 #define RTUSBMlmeUp(pAd)	        \
 {								    \
 	POS_COOKIE pObj = (POS_COOKIE) pAd->OS_Cookie;	\
-	BUG_ON(pObj->MLMEThr_task == NULL);		    \
-	CHECK_PID_LEGALITY(task_pid(pObj->MLMEThr_task))		    \
+	CHECK_PID_LEGALITY(pObj->MLMEThr_pid)		    \
         up(&(pAd->mlme_semaphore)); \
 }
 
 #define RTUSBCMDUp(pAd)	                \
 {									    \
 	POS_COOKIE pObj = (POS_COOKIE) pAd->OS_Cookie;	\
-	BUG_ON(pObj->RTUSBCmdThr_task == NULL);	    \
-	CHECK_PID_LEGALITY(task_pid(pObj->RTUSBCmdThr_task))	    \
+	CHECK_PID_LEGALITY(pObj->RTUSBCmdThr_pid)	    \
 	    up(&(pAd->RTUSBCmd_semaphore)); \
 }
 #endif
diff --git a/drivers/staging/rtl8192su/ieee80211.h b/drivers/staging/rtl8192su/ieee80211.h
index 0edb09a536f9..ea9739318037 100644
--- a/drivers/staging/rtl8192su/ieee80211.h
+++ b/drivers/staging/rtl8192su/ieee80211.h
@@ -2645,7 +2645,7 @@ extern int ieee80211_encrypt_fragment(
 	struct sk_buff *frag,
 	int hdr_len);
 
-extern int ieee80211_xmit(struct sk_buff *skb,
+extern int rtl8192_ieee80211_xmit(struct sk_buff *skb,
 			  struct net_device *dev);
 extern void ieee80211_txb_free(struct ieee80211_txb *);
 
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211.h b/drivers/staging/rtl8192su/ieee80211/ieee80211.h
index 720bfcbfadc1..5e3a2cbed2b1 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211.h
@@ -2645,7 +2645,7 @@ extern int ieee80211_encrypt_fragment(
 	struct sk_buff *frag,
 	int hdr_len);
 
-extern int ieee80211_xmit(struct sk_buff *skb,
+extern int rtl8192_ieee80211_xmit(struct sk_buff *skb,
 			  struct net_device *dev);
 extern void ieee80211_txb_free(struct ieee80211_txb *);
 
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_tx.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_tx.c
index 7294572b990f..cba12b84be5c 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_tx.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_tx.c
@@ -618,7 +618,7 @@ void ieee80211_query_seqnum(struct ieee80211_device*ieee, struct sk_buff* skb, u
 	}
 }
 
-int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
+int rtl8192_ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
 	struct ieee80211_device *ieee = netdev_priv(dev);
@@ -943,5 +943,6 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
 	return 1;
 
 }
+EXPORT_SYMBOL(rtl8192_ieee80211_xmit);
 
 EXPORT_SYMBOL(ieee80211_txb_free);
diff --git a/drivers/staging/rtl8192su/r8192U_core.c b/drivers/staging/rtl8192su/r8192U_core.c
index 4ab250743e81..70f81a8f1291 100644
--- a/drivers/staging/rtl8192su/r8192U_core.c
+++ b/drivers/staging/rtl8192su/r8192U_core.c
@@ -12142,7 +12142,7 @@ static const struct net_device_ops rtl8192_netdev_ops = {
 	.ndo_set_mac_address	= r8192_set_mac_adr,
 	.ndo_validate_addr	= eth_validate_addr,
 	.ndo_change_mtu		= eth_change_mtu,
-	.ndo_start_xmit		= ieee80211_xmit,
+	.ndo_start_xmit		= rtl8192_ieee80211_xmit,
 };
 
 #if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
index 0a69672097a8..4e83c297ec9e 100644
--- a/drivers/thermal/thermal_sys.c
+++ b/drivers/thermal/thermal_sys.c
@@ -953,7 +953,12 @@ void thermal_zone_device_update(struct thermal_zone_device *tz)
 
 	mutex_lock(&tz->lock);
 
-	tz->ops->get_temp(tz, &temp);
+	if (tz->ops->get_temp(tz, &temp)) {
+		/* get_temp failed - retry it later */
+		printk(KERN_WARNING PREFIX "failed to read out thermal zone "
+		       "%d\n", tz->id);
+		goto leave;
+	}
 
 	for (count = 0; count < tz->trips; count++) {
 		tz->ops->get_trip_type(tz, count, &trip_type);
@@ -1005,6 +1010,8 @@ void thermal_zone_device_update(struct thermal_zone_device *tz)
 					    THERMAL_TRIPS_NONE);
 
 	tz->last_temperature = temp;
+
+      leave:
 	if (tz->passive)
 		thermal_zone_device_set_polling(tz, tz->passive_delay);
 	else if (tz->polling_delay)
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index e1f89416ef8c..2bfc41ece0e1 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -387,7 +387,6 @@ static void acm_rx_tasklet(unsigned long _acm)
 	struct acm_ru *rcv;
 	unsigned long flags;
 	unsigned char throttled;
-	struct usb_host_endpoint *ep;
 
 	dbg("Entering acm_rx_tasklet");
 
@@ -463,14 +462,12 @@ urbs:
 
 		rcv->buffer = buf;
 
-		ep = (usb_pipein(acm->rx_endpoint) ? acm->dev->ep_in : acm->dev->ep_out)
-				[usb_pipeendpoint(acm->rx_endpoint)];
-		if (usb_endpoint_xfer_int(&ep->desc))
+		if (acm->is_int_ep)
 			usb_fill_int_urb(rcv->urb, acm->dev,
 					 acm->rx_endpoint,
 					 buf->base,
 					 acm->readsize,
-					 acm_read_bulk, rcv, ep->desc.bInterval);
+					 acm_read_bulk, rcv, acm->bInterval);
 		else
 			usb_fill_bulk_urb(rcv->urb, acm->dev,
 					  acm->rx_endpoint,
@@ -1183,6 +1180,9 @@ made_compressed_probe:
 	spin_lock_init(&acm->read_lock);
 	mutex_init(&acm->mutex);
 	acm->rx_endpoint = usb_rcvbulkpipe(usb_dev, epread->bEndpointAddress);
+	acm->is_int_ep = usb_endpoint_xfer_int(epread);
+	if (acm->is_int_ep)
+		acm->bInterval = epread->bInterval;
 	tty_port_init(&acm->port);
 	acm->port.ops = &acm_port_ops;
 
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index 1602324808ba..c4a0ee8ffccf 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -126,6 +126,8 @@ struct acm {
 	unsigned int ctrl_caps;				/* control capabilities from the class specific header */
 	unsigned int susp_count;			/* number of suspended interfaces */
 	int combined_interfaces:1;			/* control and data collapsed */
+	int is_int_ep:1;				/* interrupt endpoints contrary to spec used */
+	u8 bInterval;
 	struct acm_wb *delayed_wb;			/* write queued for a device about to be woken */
 };
 
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 38b8bce782d6..4247eccf858c 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -595,7 +595,7 @@ static int usbdev_open(struct inode *inode, struct file *file)
 	if (!ps)
 		goto out;
 
-	ret = -ENOENT;
+	ret = -ENODEV;
 
 	/* usbdev device-node */
 	if (imajor(inode) == USB_DEVICE_MAJOR)
@@ -1321,7 +1321,8 @@ static int get_urb32(struct usbdevfs_urb *kurb,
 		     struct usbdevfs_urb32 __user *uurb)
 {
 	__u32  uptr;
-	if (get_user(kurb->type, &uurb->type) ||
+	if (!access_ok(VERIFY_READ, uurb, sizeof(*uurb)) ||
+	    __get_user(kurb->type, &uurb->type) ||
 	    __get_user(kurb->endpoint, &uurb->endpoint) ||
 	    __get_user(kurb->status, &uurb->status) ||
 	    __get_user(kurb->flags, &uurb->flags) ||
@@ -1536,8 +1537,9 @@ static int proc_ioctl_compat(struct dev_state *ps, compat_uptr_t arg)
 	u32 udata;
 
 	uioc = compat_ptr((long)arg);
-	if (get_user(ctrl.ifno, &uioc->ifno) ||
-	    get_user(ctrl.ioctl_code, &uioc->ioctl_code) ||
+	if (!access_ok(VERIFY_READ, uioc, sizeof(*uioc)) ||
+	    __get_user(ctrl.ifno, &uioc->ifno) ||
+	    __get_user(ctrl.ioctl_code, &uioc->ioctl_code) ||
 	    __get_user(udata, &uioc->data))
 		return -EFAULT;
 	ctrl.data = compat_ptr(udata);
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 7d03549c3339..11c627ce6022 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -903,7 +903,8 @@ static int ehci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
 			/* already started */
 			break;
 		case QH_STATE_IDLE:
-			WARN_ON(1);
+			/* QH might be waiting for a Clear-TT-Buffer */
+			qh_completions(ehci, qh);
 			break;
 		}
 		break;
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 9a1384747f3b..7673554fa64d 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -375,12 +375,11 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh)
 				 */
 				if ((token & QTD_STS_XACT) &&
 						QTD_CERR(token) == 0 &&
-						--qh->xacterrs > 0 &&
+						++qh->xacterrs < QH_XACTERR_MAX &&
 						!urb->unlinked) {
 					ehci_dbg(ehci,
 	"detected XactErr len %zu/%zu retry %d\n",
-	qtd->length - QTD_LENGTH(token), qtd->length,
-	QH_XACTERR_MAX - qh->xacterrs);
+	qtd->length - QTD_LENGTH(token), qtd->length, qh->xacterrs);
 
 					/* reset the token in the qtd and the
 					 * qh overlay (which still contains
@@ -494,7 +493,7 @@ halt:
 		last = qtd;
 
 		/* reinit the xacterr counter for the next qtd */
-		qh->xacterrs = QH_XACTERR_MAX;
+		qh->xacterrs = 0;
 	}
 
 	/* last urb's completion might still need calling */
@@ -940,7 +939,8 @@ static void qh_link_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
 	head->qh_next.qh = qh;
 	head->hw_next = dma;
 
-	qh->xacterrs = QH_XACTERR_MAX;
+	qh_get(qh);
+	qh->xacterrs = 0;
 	qh->qh_state = QH_STATE_LINKED;
 	/* qtd completions reported later by interrupt */
 }
@@ -1080,7 +1080,7 @@ submit_async (
 	 * the HC and TT handle it when the TT has a buffer ready.
 	 */
 	if (likely (qh->qh_state == QH_STATE_IDLE))
-		qh_link_async (ehci, qh_get (qh));
+		qh_link_async(ehci, qh);
  done:
 	spin_unlock_irqrestore (&ehci->lock, flags);
 	if (unlikely (qh == NULL))
@@ -1115,8 +1115,6 @@ static void end_unlink_async (struct ehci_hcd *ehci)
 			&& HC_IS_RUNNING (ehci_to_hcd(ehci)->state))
 		qh_link_async (ehci, qh);
 	else {
-		qh_put (qh);		// refcount from async list
-
 		/* it's not free to turn the async schedule on/off; leave it
 		 * active but idle for a while once it empties.
 		 */
@@ -1124,6 +1122,7 @@ static void end_unlink_async (struct ehci_hcd *ehci)
 				&& ehci->async->qh_next.qh == NULL)
 			timer_action (ehci, TIMER_ASYNC_OFF);
 	}
+	qh_put(qh);			/* refcount from async list */
 
 	if (next) {
 		ehci->reclaim = NULL;
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 74f7f83b29ad..edd61ee90323 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -542,6 +542,7 @@ static int qh_link_periodic (struct ehci_hcd *ehci, struct ehci_qh *qh)
 		}
 	}
 	qh->qh_state = QH_STATE_LINKED;
+	qh->xacterrs = 0;
 	qh_get (qh);
 
 	/* update per-qh bandwidth for usbfs */
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 70073b157f0a..803adcb5ac1d 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -12,6 +12,7 @@ config USB_MUSB_HDRC
 	depends on !SUPERH
 	select NOP_USB_XCEIV if ARCH_DAVINCI
 	select TWL4030_USB if MACH_OMAP_3430SDP
+	select NOP_USB_XCEIV if MACH_OMAP3EVM
 	select USB_OTG_UTILS
 	tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)'
 	help
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index b574878c78b2..8fec5d4455c9 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -699,6 +699,9 @@ static struct usb_device_id id_table_combined [] = {
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
 	{ USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
+	{ USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
+	{ USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
+		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ },					/* Optional parameter entry */
 	{ }					/* Terminating entry */
 };
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index 24dbd99e87d7..8c92b88166ae 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -954,6 +954,20 @@
 #define AURICAL_USB_PID		0x0010	/* Aurical USB Audiometer */
 
 /*
+ * Bayer Ascensia Contour blood glucose meter USB-converter cable.
+ * http://winglucofacts.com/cables/
+ */
+#define BAYER_VID                      0x1A79
+#define BAYER_CONTOUR_CABLE_PID        0x6001
+
+/*
+ * Marvell OpenRD Base, Client
+ * http://www.open-rd.org
+ * OpenRD Base, Client use VID 0x0403
+ */
+#define MARVELL_OPENRD_PID	0x9e90
+
+/*
  *   BmRequestType:  1100 0000b
  *   bRequest:       FTDI_E2_READ
  *   wValue:         0
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 7d15bfa7c2db..3e86815b2705 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -95,6 +95,7 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) },
 	{ USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) },
 	{ USB_DEVICE(CRESSI_VENDOR_ID, CRESSI_EDY_PRODUCT_ID) },
+	{ USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) },
 	{ }					/* Terminating entry */
 };
 
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 12aac7d2462d..ee9505e1dd92 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -126,3 +126,7 @@
 /* Cressi Edy (diving computer) PC interface */
 #define CRESSI_VENDOR_ID	0x04b8
 #define CRESSI_EDY_PRODUCT_ID	0x0521
+
+/* Sony, USB data cable for CMD-Jxx mobile phones */
+#define SONY_VENDOR_ID		0x054c
+#define SONY_QN3USB_PRODUCT_ID	0x0437
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 1b9c5dd0fb27..7477d411959f 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -838,6 +838,13 @@ UNUSUAL_DEV( 0x066f, 0x8000, 0x0001, 0x0001,
 		US_SC_DEVICE, US_PR_DEVICE, NULL,
 		US_FL_FIX_CAPACITY ),
 
+/* Reported by Rogerio Brito <rbrito@ime.usp.br> */
+UNUSUAL_DEV( 0x067b, 0x2317, 0x0001, 0x001,
+		"Prolific Technology, Inc.",
+		"Mass Storage Device",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		US_FL_NOT_LOCKABLE ),
+
 /* Reported by Richard -=[]=- <micro_flyer@hotmail.com> */
 /* Change to bcdDeviceMin (0x0100 to 0x0001) reported by
  * Thomas Bartosik <tbartdev@gmx-topmail.de> */
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 471a9a60376a..3a44695b9c09 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -1082,7 +1082,6 @@ static void fbcon_init(struct vc_data *vc, int init)
 	new_rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
 	new_cols /= vc->vc_font.width;
 	new_rows /= vc->vc_font.height;
-	vc_resize(vc, new_cols, new_rows);
 
 	/*
 	 * We must always set the mode. The mode of the previous console
@@ -1111,10 +1110,11 @@ static void fbcon_init(struct vc_data *vc, int init)
 	 *  vc_{cols,rows}, but we must not set those if we are only
 	 *  resizing the console.
 	 */
-	if (!init) {
+	if (init) {
 		vc->vc_cols = new_cols;
 		vc->vc_rows = new_rows;
-	}
+	} else
+		vc_resize(vc, new_cols, new_rows);
 
 	if (logo)
 		fbcon_prepare_logo(vc, info, cols, rows, new_cols, new_rows);
diff --git a/drivers/video/console/fbcon_rotate.h b/drivers/video/console/fbcon_rotate.h
index 75be5ce53dc5..e233444cda66 100644
--- a/drivers/video/console/fbcon_rotate.h
+++ b/drivers/video/console/fbcon_rotate.h
@@ -45,7 +45,7 @@ static inline void rotate_ud(const char *in, char *out, u32 width, u32 height)
 	width = (width + 7) & ~7;
 
 	for (i = 0; i < height; i++) {
-		for (j = 0; j < width; j++) {
+		for (j = 0; j < width - shift; j++) {
 			if (pattern_test_bit(j, i, width, in))
 				pattern_set_bit(width - (1 + j + shift),
 						height - (1 + i),
diff --git a/drivers/video/console/sticore.c b/drivers/video/console/sticore.c
index ef7870f5ea08..857b3668b3ba 100644
--- a/drivers/video/console/sticore.c
+++ b/drivers/video/console/sticore.c
@@ -957,9 +957,14 @@ static int __devinit sticore_pci_init(struct pci_dev *pd,
 #ifdef CONFIG_PCI
 	unsigned long fb_base, rom_base;
 	unsigned int fb_len, rom_len;
+	int err;
 	struct sti_struct *sti;
 	
-	pci_enable_device(pd);
+	err = pci_enable_device(pd);
+	if (err < 0) {
+		dev_err(&pd->dev, "Cannot enable PCI device\n");
+		return err;
+	}
 
 	fb_base = pci_resource_start(pd, 0);
 	fb_len = pci_resource_len(pd, 0);
@@ -1048,7 +1053,7 @@ static void __devinit sti_init_roms(void)
 
 	/* Register drivers for native & PCI cards */
 	register_parisc_driver(&pa_sti_driver);
-	pci_register_driver(&pci_sti_driver);
+	WARN_ON(pci_register_driver(&pci_sti_driver));
 
 	/* if we didn't find the given default sti, take the first one */
 	if (!default_sti)
diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c
index f8778cde2183..054ef29be479 100644
--- a/drivers/video/mx3fb.c
+++ b/drivers/video/mx3fb.c
@@ -669,7 +669,8 @@ static uint32_t bpp_to_pixfmt(int bpp)
 }
 
 static int mx3fb_blank(int blank, struct fb_info *fbi);
-static int mx3fb_map_video_memory(struct fb_info *fbi, unsigned int mem_len);
+static int mx3fb_map_video_memory(struct fb_info *fbi, unsigned int mem_len,
+				  bool lock);
 static int mx3fb_unmap_video_memory(struct fb_info *fbi);
 
 /**
@@ -711,12 +712,7 @@ static void mx3fb_dma_done(void *arg)
 	complete(&mx3_fbi->flip_cmpl);
 }
 
-/**
- * mx3fb_set_par() - set framebuffer parameters and change the operating mode.
- * @fbi:	framebuffer information pointer.
- * @return:	0 on success or negative error code on failure.
- */
-static int mx3fb_set_par(struct fb_info *fbi)
+static int __set_par(struct fb_info *fbi, bool lock)
 {
 	u32 mem_len;
 	struct ipu_di_signal_cfg sig_cfg;
@@ -727,10 +723,6 @@ static int mx3fb_set_par(struct fb_info *fbi)
 	struct idmac_video_param *video = &ichan->params.video;
 	struct scatterlist *sg = mx3_fbi->sg;
 
-	dev_dbg(mx3fb->dev, "%s [%c]\n", __func__, list_empty(&ichan->queue) ? '-' : '+');
-
-	mutex_lock(&mx3_fbi->mutex);
-
 	/* Total cleanup */
 	if (mx3_fbi->txd)
 		sdc_disable_channel(mx3_fbi);
@@ -742,10 +734,8 @@ static int mx3fb_set_par(struct fb_info *fbi)
 		if (fbi->fix.smem_start)
 			mx3fb_unmap_video_memory(fbi);
 
-		if (mx3fb_map_video_memory(fbi, mem_len) < 0) {
-			mutex_unlock(&mx3_fbi->mutex);
+		if (mx3fb_map_video_memory(fbi, mem_len, lock) < 0)
 			return -ENOMEM;
-		}
 	}
 
 	sg_init_table(&sg[0], 1);
@@ -791,7 +781,6 @@ static int mx3fb_set_par(struct fb_info *fbi)
 				   fbi->var.vsync_len,
 				   fbi->var.lower_margin +
 				   fbi->var.vsync_len, sig_cfg) != 0) {
-			mutex_unlock(&mx3_fbi->mutex);
 			dev_err(fbi->device,
 				"mx3fb: Error initializing panel.\n");
 			return -EINVAL;
@@ -810,9 +799,30 @@ static int mx3fb_set_par(struct fb_info *fbi)
 	if (mx3_fbi->blank == FB_BLANK_UNBLANK)
 		sdc_enable_channel(mx3_fbi);
 
+	return 0;
+}
+
+/**
+ * mx3fb_set_par() - set framebuffer parameters and change the operating mode.
+ * @fbi:	framebuffer information pointer.
+ * @return:	0 on success or negative error code on failure.
+ */
+static int mx3fb_set_par(struct fb_info *fbi)
+{
+	struct mx3fb_info *mx3_fbi = fbi->par;
+	struct mx3fb_data *mx3fb = mx3_fbi->mx3fb;
+	struct idmac_channel *ichan = mx3_fbi->idmac_channel;
+	int ret;
+
+	dev_dbg(mx3fb->dev, "%s [%c]\n", __func__, list_empty(&ichan->queue) ? '-' : '+');
+
+	mutex_lock(&mx3_fbi->mutex);
+
+	ret = __set_par(fbi, true);
+
 	mutex_unlock(&mx3_fbi->mutex);
 
-	return 0;
+	return ret;
 }
 
 /**
@@ -966,21 +976,11 @@ static int mx3fb_setcolreg(unsigned int regno, unsigned int red,
 	return ret;
 }
 
-/**
- * mx3fb_blank() - blank the display.
- */
-static int mx3fb_blank(int blank, struct fb_info *fbi)
+static void __blank(int blank, struct fb_info *fbi)
 {
 	struct mx3fb_info *mx3_fbi = fbi->par;
 	struct mx3fb_data *mx3fb = mx3_fbi->mx3fb;
 
-	dev_dbg(fbi->device, "%s, blank = %d, base %p, len %u\n", __func__,
-		blank, fbi->screen_base, fbi->fix.smem_len);
-
-	if (mx3_fbi->blank == blank)
-		return 0;
-
-	mutex_lock(&mx3_fbi->mutex);
 	mx3_fbi->blank = blank;
 
 	switch (blank) {
@@ -999,6 +999,23 @@ static int mx3fb_blank(int blank, struct fb_info *fbi)
 		sdc_set_brightness(mx3fb, mx3fb->backlight_level);
 		break;
 	}
+}
+
+/**
+ * mx3fb_blank() - blank the display.
+ */
+static int mx3fb_blank(int blank, struct fb_info *fbi)
+{
+	struct mx3fb_info *mx3_fbi = fbi->par;
+
+	dev_dbg(fbi->device, "%s, blank = %d, base %p, len %u\n", __func__,
+		blank, fbi->screen_base, fbi->fix.smem_len);
+
+	if (mx3_fbi->blank == blank)
+		return 0;
+
+	mutex_lock(&mx3_fbi->mutex);
+	__blank(blank, fbi);
 	mutex_unlock(&mx3_fbi->mutex);
 
 	return 0;
@@ -1198,6 +1215,7 @@ static int mx3fb_resume(struct platform_device *pdev)
  * mx3fb_map_video_memory() - allocates the DRAM memory for the frame buffer.
  * @fbi:	framebuffer information pointer
  * @mem_len:	length of mapped memory
+ * @lock:	do not lock during initialisation
  * @return:	Error code indicating success or failure
  *
  * This buffer is remapped into a non-cached, non-buffered, memory region to
@@ -1205,7 +1223,8 @@ static int mx3fb_resume(struct platform_device *pdev)
  * area is remapped, all virtual memory access to the video memory should occur
  * at the new region.
  */
-static int mx3fb_map_video_memory(struct fb_info *fbi, unsigned int mem_len)
+static int mx3fb_map_video_memory(struct fb_info *fbi, unsigned int mem_len,
+				  bool lock)
 {
 	int retval = 0;
 	dma_addr_t addr;
@@ -1221,10 +1240,12 @@ static int mx3fb_map_video_memory(struct fb_info *fbi, unsigned int mem_len)
 		goto err0;
 	}
 
-	mutex_lock(&fbi->mm_lock);
+	if (lock)
+		mutex_lock(&fbi->mm_lock);
 	fbi->fix.smem_start = addr;
 	fbi->fix.smem_len = mem_len;
-	mutex_unlock(&fbi->mm_lock);
+	if (lock)
+		mutex_unlock(&fbi->mm_lock);
 
 	dev_dbg(fbi->device, "allocated fb @ p=0x%08x, v=0x%p, size=%d.\n",
 		(uint32_t) fbi->fix.smem_start, fbi->screen_base, fbi->fix.smem_len);
@@ -1365,6 +1386,11 @@ static int init_fb_chan(struct mx3fb_data *mx3fb, struct idmac_channel *ichan)
 	init_completion(&mx3fbi->flip_cmpl);
 	disable_irq(ichan->eof_irq);
 	dev_dbg(mx3fb->dev, "disabling irq %d\n", ichan->eof_irq);
+	ret = __set_par(fbi, false);
+	if (ret < 0)
+		goto esetpar;
+
+	__blank(FB_BLANK_UNBLANK, fbi);
 
 	dev_info(dev, "registered, using mode %s\n", fb_mode);
 
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 8f24564f77b0..07f22b625632 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -481,6 +481,9 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
 	/* tell the board code to enable the panel */
 	for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {
 		ch = &priv->ch[k];
+		if (!ch->enabled)
+			continue;
+
 		board_cfg = &ch->cfg.board_cfg;
 		if (board_cfg->display_on)
 			board_cfg->display_on(board_cfg->board_data);
@@ -498,6 +501,8 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv)
 	/* clean up deferred io and ask board code to disable panel */
 	for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {
 		ch = &priv->ch[k];
+		if (!ch->enabled)
+			continue;
 
 		/* deferred io mode:
 		 * flush frame, and wait for frame end interrupt
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c
index fcd53ceb88fa..c8960003f47d 100644
--- a/drivers/video/via/hw.c
+++ b/drivers/video/via/hw.c
@@ -2407,14 +2407,14 @@ int viafb_setmode(int vmode_index, int hor_res, int ver_res, int video_bpp,
 			viafb_dvi_set_mode(viafb_get_mode_index
 				     (viaparinfo->tmds_setting_info->h_active,
 				      viaparinfo->tmds_setting_info->
-				      v_active, 1),
+				      v_active),
 				     video_bpp1, viaparinfo->
 				     tmds_setting_info->iga_path);
 		} else {
 			viafb_dvi_set_mode(viafb_get_mode_index
 				     (viaparinfo->tmds_setting_info->h_active,
 				      viaparinfo->
-				      tmds_setting_info->v_active, 0),
+				      tmds_setting_info->v_active),
 				     video_bpp, viaparinfo->
 				     tmds_setting_info->iga_path);
 		}
diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c
index 6c7290a6a447..78c6b3387947 100644
--- a/drivers/video/via/lcd.c
+++ b/drivers/video/via/lcd.c
@@ -580,10 +580,7 @@ static void load_lcd_k400_patch_tbl(int set_hres, int set_vres,
 	int reg_num = 0;
 	struct io_reg *lcd_patch_reg = NULL;
 
-	if (viaparinfo->lvds_setting_info->iga_path == IGA2)
-		vmode_index = viafb_get_mode_index(set_hres, set_vres, 1);
-	else
-		vmode_index = viafb_get_mode_index(set_hres, set_vres, 0);
+	vmode_index = viafb_get_mode_index(set_hres, set_vres);
 	switch (panel_id) {
 		/* LCD 800x600 */
 	case LCD_PANEL_ID1_800X600:
@@ -761,10 +758,7 @@ static void load_lcd_p880_patch_tbl(int set_hres, int set_vres,
 	int reg_num = 0;
 	struct io_reg *lcd_patch_reg = NULL;
 
-	if (viaparinfo->lvds_setting_info->iga_path == IGA2)
-		vmode_index = viafb_get_mode_index(set_hres, set_vres, 1);
-	else
-		vmode_index = viafb_get_mode_index(set_hres, set_vres, 0);
+	vmode_index = viafb_get_mode_index(set_hres, set_vres);
 
 	switch (panel_id) {
 	case LCD_PANEL_ID5_1400X1050:
@@ -832,10 +826,7 @@ static void load_lcd_patch_regs(int set_hres, int set_vres,
 {
 	int vmode_index;
 
-	if (viaparinfo->lvds_setting_info->iga_path == IGA2)
-		vmode_index = viafb_get_mode_index(set_hres, set_vres, 1);
-	else
-		vmode_index = viafb_get_mode_index(set_hres, set_vres, 0);
+	vmode_index = viafb_get_mode_index(set_hres, set_vres);
 
 	viafb_unlock_crt();
 
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index a0fec298216e..72833f3334b5 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -32,7 +32,6 @@ static u32 pseudo_pal[17];
 /* video mode */
 static char *viafb_mode = "640x480";
 static char *viafb_mode1 = "640x480";
-static int viafb_resMode = VIA_RES_640X480;
 
 /* Added for specifying active devices.*/
 char *viafb_active_dev = "";
@@ -56,47 +55,47 @@ static void viafb_get_video_device(u32 *video_dev_info);
 
 /* Mode information */
 static const struct viafb_modeinfo viafb_modentry[] = {
-	{480, 640, VIA_RES_480X640, "480x640"},
-	{640, 480, VIA_RES_640X480, "640x480"},
-	{800, 480, VIA_RES_800X480, "800x480"},
-	{800, 600, VIA_RES_800X600, "800x600"},
-	{1024, 768, VIA_RES_1024X768, "1024x768"},
-	{1152, 864, VIA_RES_1152X864, "1152x864"},
-	{1280, 1024, VIA_RES_1280X1024, "1280x1024"},
-	{1600, 1200, VIA_RES_1600X1200, "1600x1200"},
-	{1440, 1050, VIA_RES_1440X1050, "1440x1050"},
-	{1280, 768, VIA_RES_1280X768, "1280x768"},
-	{1280, 800, VIA_RES_1280X800, "1280x800"},
-	{1280, 960, VIA_RES_1280X960, "1280x960"},
-	{1920, 1440, VIA_RES_1920X1440, "1920x1440"},
-	{848, 480, VIA_RES_848X480, "848x480"},
-	{1400, 1050, VIA_RES_1400X1050, "1400x1050"},
-	{720, 480, VIA_RES_720X480, "720x480"},
-	{720, 576, VIA_RES_720X576, "720x576"},
-	{1024, 512, VIA_RES_1024X512, "1024x512"},
-	{1024, 576, VIA_RES_1024X576, "1024x576"},
-	{1024, 600, VIA_RES_1024X600, "1024x600"},
-	{1280, 720, VIA_RES_1280X720, "1280x720"},
-	{1920, 1080, VIA_RES_1920X1080, "1920x1080"},
-	{1366, 768, VIA_RES_1368X768, "1368x768"},
-	{1680, 1050, VIA_RES_1680X1050, "1680x1050"},
-	{960, 600, VIA_RES_960X600, "960x600"},
-	{1000, 600, VIA_RES_1000X600, "1000x600"},
-	{1024, 576, VIA_RES_1024X576, "1024x576"},
-	{1024, 600, VIA_RES_1024X600, "1024x600"},
-	{1088, 612, VIA_RES_1088X612, "1088x612"},
-	{1152, 720, VIA_RES_1152X720, "1152x720"},
-	{1200, 720, VIA_RES_1200X720, "1200x720"},
-	{1280, 600, VIA_RES_1280X600, "1280x600"},
-	{1360, 768, VIA_RES_1360X768, "1360x768"},
-	{1440, 900, VIA_RES_1440X900, "1440x900"},
-	{1600, 900, VIA_RES_1600X900, "1600x900"},
-	{1600, 1024, VIA_RES_1600X1024, "1600x1024"},
-	{1792, 1344, VIA_RES_1792X1344, "1792x1344"},
-	{1856, 1392, VIA_RES_1856X1392, "1856x1392"},
-	{1920, 1200, VIA_RES_1920X1200, "1920x1200"},
-	{2048, 1536, VIA_RES_2048X1536, "2048x1536"},
-	{0, 0, VIA_RES_INVALID, "640x480"}
+	{480, 640, VIA_RES_480X640},
+	{640, 480, VIA_RES_640X480},
+	{800, 480, VIA_RES_800X480},
+	{800, 600, VIA_RES_800X600},
+	{1024, 768, VIA_RES_1024X768},
+	{1152, 864, VIA_RES_1152X864},
+	{1280, 1024, VIA_RES_1280X1024},
+	{1600, 1200, VIA_RES_1600X1200},
+	{1440, 1050, VIA_RES_1440X1050},
+	{1280, 768, VIA_RES_1280X768,},
+	{1280, 800, VIA_RES_1280X800},
+	{1280, 960, VIA_RES_1280X960},
+	{1920, 1440, VIA_RES_1920X1440},
+	{848, 480, VIA_RES_848X480},
+	{1400, 1050, VIA_RES_1400X1050},
+	{720, 480, VIA_RES_720X480},
+	{720, 576, VIA_RES_720X576},
+	{1024, 512, VIA_RES_1024X512},
+	{1024, 576, VIA_RES_1024X576},
+	{1024, 600, VIA_RES_1024X600},
+	{1280, 720, VIA_RES_1280X720},
+	{1920, 1080, VIA_RES_1920X1080},
+	{1366, 768, VIA_RES_1368X768},
+	{1680, 1050, VIA_RES_1680X1050},
+	{960, 600, VIA_RES_960X600},
+	{1000, 600, VIA_RES_1000X600},
+	{1024, 576, VIA_RES_1024X576},
+	{1024, 600, VIA_RES_1024X600},
+	{1088, 612, VIA_RES_1088X612},
+	{1152, 720, VIA_RES_1152X720},
+	{1200, 720, VIA_RES_1200X720},
+	{1280, 600, VIA_RES_1280X600},
+	{1360, 768, VIA_RES_1360X768},
+	{1440, 900, VIA_RES_1440X900},
+	{1600, 900, VIA_RES_1600X900},
+	{1600, 1024, VIA_RES_1600X1024},
+	{1792, 1344, VIA_RES_1792X1344},
+	{1856, 1392, VIA_RES_1856X1392},
+	{1920, 1200, VIA_RES_1920X1200},
+	{2048, 1536, VIA_RES_2048X1536},
+	{0, 0, VIA_RES_INVALID}
 };
 
 static struct fb_ops viafb_ops;
@@ -177,7 +176,7 @@ static int viafb_check_var(struct fb_var_screeninfo *var,
 	if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
 		return -EINVAL;
 
-	vmode_index = viafb_get_mode_index(var->xres, var->yres, 0);
+	vmode_index = viafb_get_mode_index(var->xres, var->yres);
 	if (vmode_index == VIA_RES_INVALID) {
 		DEBUG_MSG(KERN_INFO
 			  "viafb: Mode %dx%dx%d not supported!!\n",
@@ -233,14 +232,14 @@ static int viafb_set_par(struct fb_info *info)
 	viafb_update_device_setting(info->var.xres, info->var.yres,
 			      info->var.bits_per_pixel, viafb_refresh, 0);
 
-	vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres, 0);
+	vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres);
 
 	if (viafb_SAMM_ON == 1) {
 		DEBUG_MSG(KERN_INFO
 		"viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
 			  viafb_second_xres, viafb_second_yres, viafb_bpp1);
 		vmode_index1 = viafb_get_mode_index(viafb_second_xres,
-			viafb_second_yres, 1);
+			viafb_second_yres);
 		DEBUG_MSG(KERN_INFO "->viafb_SAMM_ON: index=%d\n",
 			vmode_index1);
 
@@ -1262,7 +1261,7 @@ static int viafb_sync(struct fb_info *info)
 	return 0;
 }
 
-int viafb_get_mode_index(int hres, int vres, int flag)
+int viafb_get_mode_index(int hres, int vres)
 {
 	u32 i;
 	DEBUG_MSG(KERN_INFO "viafb_get_mode_index!\n");
@@ -1272,13 +1271,7 @@ int viafb_get_mode_index(int hres, int vres, int flag)
 			viafb_modentry[i].yres == vres)
 			break;
 
-	viafb_resMode = viafb_modentry[i].mode_index;
-	if (flag)
-		viafb_mode1 = viafb_modentry[i].mode_res;
-	else
-		viafb_mode = viafb_modentry[i].mode_res;
-
-	return viafb_resMode;
+	return viafb_modentry[i].mode_index;
 }
 
 static void check_available_device_to_enable(int device_id)
@@ -2199,7 +2192,7 @@ static int __devinit via_pci_probe(void)
 	strict_strtoul(tmpc, 0, &default_xres);
 	strict_strtoul(tmpm, 0, &default_yres);
 
-	vmode_index = viafb_get_mode_index(default_xres, default_yres, 0);
+	vmode_index = viafb_get_mode_index(default_xres, default_yres);
 	DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index);
 
 	if (viafb_SAMM_ON == 1) {
diff --git a/drivers/video/via/viafbdev.h b/drivers/video/via/viafbdev.h
index a4158e872878..227b000feb38 100644
--- a/drivers/video/via/viafbdev.h
+++ b/drivers/video/via/viafbdev.h
@@ -81,7 +81,6 @@ struct viafb_modeinfo {
 	u32 xres;
 	u32 yres;
 	int mode_index;
-	char *mode_res;
 };
 extern unsigned int viafb_second_virtual_yres;
 extern unsigned int viafb_second_virtual_xres;
@@ -102,7 +101,7 @@ extern int strict_strtoul(const char *cp, unsigned int base,
 void viafb_memory_pitch_patch(struct fb_info *info);
 void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
 			  int mode_index);
-int viafb_get_mode_index(int hres, int vres, int flag);
+int viafb_get_mode_index(int hres, int vres);
 u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information
 	*plvds_setting_info, struct lvds_chip_information
 	*plvds_chip_info, u8 index);
diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c
index 15502d5e3641..54cd91610174 100644
--- a/drivers/video/xen-fbfront.c
+++ b/drivers/video/xen-fbfront.c
@@ -454,6 +454,10 @@ static int __devinit xenfb_probe(struct xenbus_device *dev,
 
 	xenfb_init_shared_page(info, fb_info);
 
+	ret = xenfb_connect_backend(dev, info);
+	if (ret < 0)
+		goto error;
+
 	ret = register_framebuffer(fb_info);
 	if (ret) {
 		fb_deferred_io_cleanup(fb_info);
@@ -464,10 +468,6 @@ static int __devinit xenfb_probe(struct xenbus_device *dev,
 	}
 	info->fb_info = fb_info;
 
-	ret = xenfb_connect_backend(dev, info);
-	if (ret < 0)
-		goto error;
-
 	xenfb_make_preferred_console();
 	return 0;
 
diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c
index a7e3b706b9d3..0d92969404c3 100644
--- a/drivers/w1/masters/omap_hdq.c
+++ b/drivers/w1/masters/omap_hdq.c
@@ -687,6 +687,7 @@ static int omap_hdq_remove(struct platform_device *pdev)
 
 	if (hdq_data->hdq_usecount) {
 		dev_dbg(&pdev->dev, "removed when use count is not zero\n");
+		mutex_unlock(&hdq_data->hdq_mutex);
 		return -EBUSY;
 	}
 
diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c
index 3fe9742c23ca..2f8643efe92c 100644
--- a/drivers/watchdog/ar7_wdt.c
+++ b/drivers/watchdog/ar7_wdt.c
@@ -37,7 +37,7 @@
 #include <linux/uaccess.h>
 
 #include <asm/addrspace.h>
-#include <asm/ar7/ar7.h>
+#include <asm/mach-ar7/ar7.h>
 
 #define DRVNAME "ar7_wdt"
 #define LONGNAME "TI AR7 Watchdog Timer"
diff --git a/drivers/watchdog/coh901327_wdt.c b/drivers/watchdog/coh901327_wdt.c
index fecb307d28e9..aec7cefdef21 100644
--- a/drivers/watchdog/coh901327_wdt.c
+++ b/drivers/watchdog/coh901327_wdt.c
@@ -18,6 +18,7 @@
 #include <linux/bitops.h>
 #include <linux/uaccess.h>
 #include <linux/clk.h>
+#include <linux/delay.h>
 
 #define DRV_NAME "WDOG COH 901 327"
 
@@ -92,6 +93,8 @@ static struct clk *clk;
 static void coh901327_enable(u16 timeout)
 {
 	u16 val;
+	unsigned long freq;
+	unsigned long delay_ns;
 
 	clk_enable(clk);
 	/* Restart timer if it is disabled */
@@ -102,6 +105,14 @@ static void coh901327_enable(u16 timeout)
 	/* Acknowledge any pending interrupt so it doesn't just fire off */
 	writew(U300_WDOG_IER_WILL_BARK_IRQ_ACK_ENABLE,
 	       virtbase + U300_WDOG_IER);
+	/*
+	 * The interrupt is cleared in the 32 kHz clock domain.
+	 * Wait 3 32 kHz cycles for it to take effect
+	 */
+	freq = clk_get_rate(clk);
+	delay_ns = (1000000000 + freq - 1) / freq; /* Freq to ns and round up */
+	delay_ns = 3 * delay_ns; /* Wait 3 cycles */
+	ndelay(delay_ns);
 	/* Enable the watchdog interrupt */
 	writew(U300_WDOG_IMR_WILL_BARK_IRQ_ENABLE, virtbase + U300_WDOG_IMR);
 	/* Activate the watchdog timer */
diff --git a/drivers/watchdog/ks8695_wdt.c b/drivers/watchdog/ks8695_wdt.c
index 00b03eb43bf0..e1c82769b08e 100644
--- a/drivers/watchdog/ks8695_wdt.c
+++ b/drivers/watchdog/ks8695_wdt.c
@@ -66,7 +66,7 @@ static inline void ks8695_wdt_stop(void)
 static inline void ks8695_wdt_start(void)
 {
 	unsigned long tmcon;
-	unsigned long tval = wdt_time * CLOCK_TICK_RATE;
+	unsigned long tval = wdt_time * KS8695_CLOCK_RATE;
 
 	spin_lock(&ks8695_lock);
 	/* disable timer0 */
@@ -103,7 +103,7 @@ static inline void ks8695_wdt_reload(void)
 static int ks8695_wdt_settimeout(int new_time)
 {
 	/*
-	 * All counting occurs at SLOW_CLOCK / 128 = 0.256 Hz
+	 * All counting occurs at KS8695_CLOCK_RATE / 128 = 0.256 Hz
 	 *
 	 * Since WDV is a 16-bit counter, the maximum period is
 	 * 65536 / 0.256 = 256 seconds.