Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6

* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
  i2c: Add info->archdata field
  i2c: Inform about deprecated chips directory
  i2c: Use pci_ioremap_bar()
  Schedule removal of the legacy i2c device driver binding model
  i2c: Clean up <linux/i2c.h>
  i2c: Update and clean up writing-clients document
  i2c: Drop 2-byte address block transfer defines
  i2c: Delete legacy model documentation
  i2c: Constify i2c_get_clientdata's parameter
  i2c: Delete outdated client porting guide
  i2c: Make clear what the class field of i2c_adapter is good for
  i2c-algo-pcf: Fix typo in debugging log message
  i2c-algo-pcf: Add adapter hooks around xfer begin and end
  i2c-algo-pcf: Pass adapter data into ->waitforpin() method
  i2c-i801: Add support for Intel Ibex Peak

8 files changed, 29 insertions, 9 deletions

diff --git a/drivers/i2c/algos/i2c-algo-pcf.c b/drivers/i2c/algos/i2c-algo-pcf.c
index 1e328d19cd6d..3e01992230b8 100644
--- a/drivers/i2c/algos/i2c-algo-pcf.c
+++ b/drivers/i2c/algos/i2c-algo-pcf.c
@@ -135,7 +135,7 @@ static int wait_for_pin(struct i2c_algo_pcf_data *adap, int *status) {
 	*status = get_pcf(adap, 1);
 #ifndef STUB_I2C
 	while (timeout-- && (*status & I2C_PCF_PIN)) {
-		adap->waitforpin();
+		adap->waitforpin(adap->data);
 		*status = get_pcf(adap, 1);
 	}
 	if (*status & I2C_PCF_LAB) {
@@ -208,7 +208,7 @@ static int pcf_init_8584 (struct i2c_algo_pcf_data *adap)
 		return -ENXIO;
 	}
 	
-	printk(KERN_DEBUG "i2c-algo-pcf.o: deteted and initialized PCF8584.\n");
+	printk(KERN_DEBUG "i2c-algo-pcf.o: detected and initialized PCF8584.\n");
 
 	return 0;
 }
@@ -331,13 +331,16 @@ static int pcf_xfer(struct i2c_adapter *i2c_adap,
 	int i;
 	int ret=0, timeout, status;
     
+	if (adap->xfer_begin)
+		adap->xfer_begin(adap->data);
 
 	/* Check for bus busy */
 	timeout = wait_for_bb(adap);
 	if (timeout) {
 		DEB2(printk(KERN_ERR "i2c-algo-pcf.o: "
 		            "Timeout waiting for BB in pcf_xfer\n");)
-		return -EIO;
+		i = -EIO;
+		goto out;
 	}
 	
 	for (i = 0;ret >= 0 && i < num; i++) {
@@ -359,12 +362,14 @@ static int pcf_xfer(struct i2c_adapter *i2c_adap,
 		if (timeout) {
 			if (timeout == -EINTR) {
 				/* arbitration lost */
-				return (-EINTR);
+				i = -EINTR;
+				goto out;
 			}
 			i2c_stop(adap);
 			DEB2(printk(KERN_ERR "i2c-algo-pcf.o: Timeout waiting "
 				    "for PIN(1) in pcf_xfer\n");)
-			return (-EREMOTEIO);
+			i = -EREMOTEIO;
+			goto out;
 		}
     
 #ifndef STUB_I2C
@@ -372,7 +377,8 @@ static int pcf_xfer(struct i2c_adapter *i2c_adap,
 		if (status & I2C_PCF_LRB) {
 			i2c_stop(adap);
 			DEB2(printk(KERN_ERR "i2c-algo-pcf.o: No LRB(1) in pcf_xfer\n");)
-			return (-EREMOTEIO);
+			i = -EREMOTEIO;
+			goto out;
 		}
 #endif
     
@@ -404,6 +410,9 @@ static int pcf_xfer(struct i2c_adapter *i2c_adap,
 		}
 	}
 
+out:
+	if (adap->xfer_end)
+		adap->xfer_end(adap->data);
 	return (i);
 }
 
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index acadbc51fc0f..7f95905bbb9d 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -97,6 +97,7 @@ config I2C_I801
 	    ICH9
 	    Tolapai
 	    ICH10
+	    PCH
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-i801.
diff --git a/drivers/i2c/busses/i2c-elektor.c b/drivers/i2c/busses/i2c-elektor.c
index 7f38c01fb3a0..0ed3ccb81b63 100644
--- a/drivers/i2c/busses/i2c-elektor.c
+++ b/drivers/i2c/busses/i2c-elektor.c
@@ -104,7 +104,8 @@ static int pcf_isa_getclock(void *data)
 	return (clock);
 }
 
-static void pcf_isa_waitforpin(void) {
+static void pcf_isa_waitforpin(void *data)
+{
 	DEFINE_WAIT(wait);
 	int timeout = 2;
 	unsigned long flags;
diff --git a/drivers/i2c/busses/i2c-hydra.c b/drivers/i2c/busses/i2c-hydra.c
index 1098f21ace13..648aa7baff83 100644
--- a/drivers/i2c/busses/i2c-hydra.c
+++ b/drivers/i2c/busses/i2c-hydra.c
@@ -123,7 +123,7 @@ static int __devinit hydra_probe(struct pci_dev *dev,
 				hydra_adap.name))
 		return -EBUSY;
 
-	hydra_bit_data.data = ioremap(base, pci_resource_len(dev, 0));
+	hydra_bit_data.data = pci_ioremap_bar(dev, 0);
 	if (hydra_bit_data.data == NULL) {
 		release_mem_region(base+offsetof(struct Hydra, CachePD), 4);
 		return -ENODEV;
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index dc7ea32b69a8..5123eb69a971 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -41,6 +41,7 @@
   Tolapai               0x5032     32     hard     yes     yes     yes
   ICH10                 0x3a30     32     hard     yes     yes     yes
   ICH10                 0x3a60     32     hard     yes     yes     yes
+  PCH                   0x3b30     32     hard     yes     yes     yes
 
   Features supported by this driver:
   Software PEC                     no
@@ -576,6 +577,7 @@ static struct pci_device_id i801_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TOLAPAI_1) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH10_4) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH10_5) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PCH_SMBUS) },
 	{ 0, }
 };
 
@@ -599,6 +601,7 @@ static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id
 	case PCI_DEVICE_ID_INTEL_TOLAPAI_1:
 	case PCI_DEVICE_ID_INTEL_ICH10_4:
 	case PCI_DEVICE_ID_INTEL_ICH10_5:
+	case PCI_DEVICE_ID_INTEL_PCH_SMBUS:
 		i801_features |= FEATURE_I2C_BLOCK_READ;
 		/* fall through */
 	case PCI_DEVICE_ID_INTEL_82801DB_3:
diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig
index 17356827b93d..4c35702830ce 100644
--- a/drivers/i2c/chips/Kconfig
+++ b/drivers/i2c/chips/Kconfig
@@ -1,6 +1,8 @@
 #
 # Miscellaneous I2C chip drivers configuration
 #
+# *** DEPRECATED! Do not add new entries! See Makefile ***
+#
 
 menu "Miscellaneous I2C Chip support"
 
diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile
index ca520fa143d6..23d2a31b0a64 100644
--- a/drivers/i2c/chips/Makefile
+++ b/drivers/i2c/chips/Makefile
@@ -1,7 +1,8 @@
 #
 # Makefile for miscellaneous I2C chip drivers.
 #
-# Think twice before you add a new driver to this directory.
+# Do not add new drivers to this directory! It is DEPRECATED.
+#
 # Device drivers are better grouped according to the functionality they
 # implement rather than to the bus they are connected to. In particular:
 # * Hardware monitoring chip drivers go to drivers/hwmon
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 42e852d79ffa..5a485c22660a 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -266,6 +266,9 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
 
 	client->dev.platform_data = info->platform_data;
 
+	if (info->archdata)
+		client->dev.archdata = *info->archdata;
+
 	client->flags = info->flags;
 	client->addr = info->addr;
 	client->irq = info->irq;