17 files changed, 24 insertions, 504 deletions

diff --git a/arch/powerpc/sysdev/Kconfig b/arch/powerpc/sysdev/Kconfig
index 5aa92ff3622d..18ff2c4a814a 100644
--- a/arch/powerpc/sysdev/Kconfig
+++ b/arch/powerpc/sysdev/Kconfig
@@ -5,12 +5,12 @@
 
 config PPC4xx_PCI_EXPRESS
 	bool
-	depends on PCI && 4xx
+	depends on PCI && 44x
 
 config PPC4xx_HSTA_MSI
 	bool
 	depends on PCI_MSI
-	depends on PCI && 4xx
+	depends on PCI && 44x
 
 config PPC_MSI_BITMAP
 	bool
diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile
index 9cb1d029511a..0834a9a12600 100644
--- a/arch/powerpc/sysdev/Makefile
+++ b/arch/powerpc/sysdev/Makefile
@@ -1,7 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
 
-ccflags-$(CONFIG_PPC64)		:= $(NO_MINIMAL_TOC)
-
 mpic-msi-obj-$(CONFIG_PCI_MSI)	+= mpic_msi.o mpic_u3msi.o
 obj-$(CONFIG_MPIC)		+= mpic.o $(mpic-msi-obj-y)
 obj-$(CONFIG_MPIC_TIMER)        += mpic_timer.o
@@ -14,7 +12,6 @@ obj-$(CONFIG_PPC_MSI_BITMAP)	+= msi_bitmap.o
 
 obj-$(CONFIG_PPC_MPC106)	+= grackle.o
 obj-$(CONFIG_PPC_DCR_NATIVE)	+= dcr-low.o
-obj-$(CONFIG_PPC_PMI)		+= pmi.o
 obj-$(CONFIG_U3_DART)		+= dart_iommu.o
 obj-$(CONFIG_MMIO_NVRAM)	+= mmio_nvram.o
 obj-$(CONFIG_FSL_SOC)		+= fsl_soc.o fsl_mpic_err.o
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 98096bbfd62e..c0d10c149661 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -24,7 +24,6 @@
 #include <linux/suspend.h>
 #include <linux/memblock.h>
 #include <linux/gfp.h>
-#include <linux/kmemleak.h>
 #include <linux/of_address.h>
 #include <asm/io.h>
 #include <asm/iommu.h>
@@ -243,9 +242,6 @@ static void __init allocate_dart(void)
 	if (!dart_tablebase)
 		panic("Failed to allocate 16MB below 2GB for DART table\n");
 
-	/* There is no point scanning the DART space for leaks*/
-	kmemleak_no_scan((void *)dart_tablebase);
-
 	/* Allocate a spare page to map all invalid DART pages. We need to do
 	 * that to work around what looks like a problem with the HT bridge
 	 * prefetching into invalid pages and corrupting data
diff --git a/arch/powerpc/sysdev/dcr.c b/arch/powerpc/sysdev/dcr.c
index 70ce66eadff1..cb44a69958e7 100644
--- a/arch/powerpc/sysdev/dcr.c
+++ b/arch/powerpc/sysdev/dcr.c
@@ -11,107 +11,6 @@
 #include <linux/of_address.h>
 #include <asm/dcr.h>
 
-#ifdef CONFIG_PPC_DCR_MMIO
-static struct device_node *find_dcr_parent(struct device_node *node)
-{
-	struct device_node *par, *tmp;
-	const u32 *p;
-
-	for (par = of_node_get(node); par;) {
-		if (of_property_read_bool(par, "dcr-controller"))
-			break;
-		p = of_get_property(par, "dcr-parent", NULL);
-		tmp = par;
-		if (p == NULL)
-			par = of_get_parent(par);
-		else
-			par = of_find_node_by_phandle(*p);
-		of_node_put(tmp);
-	}
-	return par;
-}
-#endif
-
-#if defined(CONFIG_PPC_DCR_NATIVE) && defined(CONFIG_PPC_DCR_MMIO)
-
-bool dcr_map_ok_generic(dcr_host_t host)
-{
-	if (host.type == DCR_HOST_NATIVE)
-		return dcr_map_ok_native(host.host.native);
-	else if (host.type == DCR_HOST_MMIO)
-		return dcr_map_ok_mmio(host.host.mmio);
-	else
-		return false;
-}
-EXPORT_SYMBOL_GPL(dcr_map_ok_generic);
-
-dcr_host_t dcr_map_generic(struct device_node *dev,
-			   unsigned int dcr_n,
-			   unsigned int dcr_c)
-{
-	dcr_host_t host;
-	struct device_node *dp;
-	const char *prop;
-
-	host.type = DCR_HOST_INVALID;
-
-	dp = find_dcr_parent(dev);
-	if (dp == NULL)
-		return host;
-
-	prop = of_get_property(dp, "dcr-access-method", NULL);
-
-	pr_debug("dcr_map_generic(dcr-access-method = %s)\n", prop);
-
-	if (!strcmp(prop, "native")) {
-		host.type = DCR_HOST_NATIVE;
-		host.host.native = dcr_map_native(dev, dcr_n, dcr_c);
-	} else if (!strcmp(prop, "mmio")) {
-		host.type = DCR_HOST_MMIO;
-		host.host.mmio = dcr_map_mmio(dev, dcr_n, dcr_c);
-	}
-
-	of_node_put(dp);
-	return host;
-}
-EXPORT_SYMBOL_GPL(dcr_map_generic);
-
-void dcr_unmap_generic(dcr_host_t host, unsigned int dcr_c)
-{
-	if (host.type == DCR_HOST_NATIVE)
-		dcr_unmap_native(host.host.native, dcr_c);
-	else if (host.type == DCR_HOST_MMIO)
-		dcr_unmap_mmio(host.host.mmio, dcr_c);
-	else /* host.type == DCR_HOST_INVALID */
-		WARN_ON(true);
-}
-EXPORT_SYMBOL_GPL(dcr_unmap_generic);
-
-u32 dcr_read_generic(dcr_host_t host, unsigned int dcr_n)
-{
-	if (host.type == DCR_HOST_NATIVE)
-		return dcr_read_native(host.host.native, dcr_n);
-	else if (host.type == DCR_HOST_MMIO)
-		return dcr_read_mmio(host.host.mmio, dcr_n);
-	else /* host.type == DCR_HOST_INVALID */
-		WARN_ON(true);
-	return 0;
-}
-EXPORT_SYMBOL_GPL(dcr_read_generic);
-
-void dcr_write_generic(dcr_host_t host, unsigned int dcr_n, u32 value)
-{
-	if (host.type == DCR_HOST_NATIVE)
-		dcr_write_native(host.host.native, dcr_n, value);
-	else if (host.type == DCR_HOST_MMIO)
-		dcr_write_mmio(host.host.mmio, dcr_n, value);
-	else /* host.type == DCR_HOST_INVALID */
-		WARN_ON(true);
-}
-EXPORT_SYMBOL_GPL(dcr_write_generic);
-
-#endif /* defined(CONFIG_PPC_DCR_NATIVE) && defined(CONFIG_PPC_DCR_MMIO) */
-
 unsigned int dcr_resource_start(const struct device_node *np,
 				unsigned int index)
 {
@@ -137,86 +36,5 @@ unsigned int dcr_resource_len(const struct device_node *np, unsigned int index)
 }
 EXPORT_SYMBOL_GPL(dcr_resource_len);
 
-#ifdef CONFIG_PPC_DCR_MMIO
-
-static u64 of_translate_dcr_address(struct device_node *dev,
-				    unsigned int dcr_n,
-				    unsigned int *out_stride)
-{
-	struct device_node *dp;
-	const u32 *p;
-	unsigned int stride;
-	u64 ret = OF_BAD_ADDR;
-
-	dp = find_dcr_parent(dev);
-	if (dp == NULL)
-		return OF_BAD_ADDR;
-
-	/* Stride is not properly defined yet, default to 0x10 for Axon */
-	p = of_get_property(dp, "dcr-mmio-stride", NULL);
-	stride = (p == NULL) ? 0x10 : *p;
-
-	/* XXX FIXME: Which property name is to use of the 2 following ? */
-	p = of_get_property(dp, "dcr-mmio-range", NULL);
-	if (p == NULL)
-		p = of_get_property(dp, "dcr-mmio-space", NULL);
-	if (p == NULL)
-		goto done;
-
-	/* Maybe could do some better range checking here */
-	ret = of_translate_address(dp, p);
-	if (ret != OF_BAD_ADDR)
-		ret += (u64)(stride) * (u64)dcr_n;
-	if (out_stride)
-		*out_stride = stride;
-
- done:
-	of_node_put(dp);
-	return ret;
-}
-
-dcr_host_mmio_t dcr_map_mmio(struct device_node *dev,
-			     unsigned int dcr_n,
-			     unsigned int dcr_c)
-{
-	dcr_host_mmio_t ret = { .token = NULL, .stride = 0, .base = dcr_n };
-	u64 addr;
-
-	pr_debug("dcr_map(%pOF, 0x%x, 0x%x)\n",
-		 dev, dcr_n, dcr_c);
-
-	addr = of_translate_dcr_address(dev, dcr_n, &ret.stride);
-	pr_debug("translates to addr: 0x%llx, stride: 0x%x\n",
-		 (unsigned long long) addr, ret.stride);
-	if (addr == OF_BAD_ADDR)
-		return ret;
-	pr_debug("mapping 0x%x bytes\n", dcr_c * ret.stride);
-	ret.token = ioremap(addr, dcr_c * ret.stride);
-	if (ret.token == NULL)
-		return ret;
-	pr_debug("mapped at 0x%p -> base is 0x%p\n",
-		 ret.token, ret.token - dcr_n * ret.stride);
-	ret.token -= dcr_n * ret.stride;
-	return ret;
-}
-EXPORT_SYMBOL_GPL(dcr_map_mmio);
-
-void dcr_unmap_mmio(dcr_host_mmio_t host, unsigned int dcr_c)
-{
-	dcr_host_mmio_t h = host;
-
-	if (h.token == NULL)
-		return;
-	h.token += host.base * h.stride;
-	iounmap(h.token);
-	h.token = NULL;
-}
-EXPORT_SYMBOL_GPL(dcr_unmap_mmio);
-
-#endif /* defined(CONFIG_PPC_DCR_MMIO) */
-
-#ifdef CONFIG_PPC_DCR_NATIVE
 DEFINE_SPINLOCK(dcr_ind_lock);
 EXPORT_SYMBOL_GPL(dcr_ind_lock);
-#endif	/* defined(CONFIG_PPC_DCR_NATIVE) */
-
diff --git a/arch/powerpc/sysdev/ehv_pic.c b/arch/powerpc/sysdev/ehv_pic.c
index 040827671d21..fb502b72fca1 100644
--- a/arch/powerpc/sysdev/ehv_pic.c
+++ b/arch/powerpc/sysdev/ehv_pic.c
@@ -291,5 +291,5 @@ void __init ehv_pic_init(void)
 	ehv_pic->coreint_flag = of_property_read_bool(np, "has-external-proxy");
 
 	global_ehv_pic = ehv_pic;
-	irq_set_default_host(global_ehv_pic->irqhost);
+	irq_set_default_domain(global_ehv_pic->irqhost);
 }
diff --git a/arch/powerpc/sysdev/fsl_gtm.c b/arch/powerpc/sysdev/fsl_gtm.c
index 39186ad6b3c3..3dabc9621810 100644
--- a/arch/powerpc/sysdev/fsl_gtm.c
+++ b/arch/powerpc/sysdev/fsl_gtm.c
@@ -77,7 +77,7 @@ struct gtm {
 static LIST_HEAD(gtms);
 
 /**
- * gtm_get_timer - request GTM timer to use it with the rest of GTM API
+ * gtm_get_timer16 - request GTM timer to use it with the rest of GTM API
  * Context:	non-IRQ
  *
  * This function reserves GTM timer for later use. It returns gtm_timer
@@ -110,7 +110,7 @@ struct gtm_timer *gtm_get_timer16(void)
 EXPORT_SYMBOL(gtm_get_timer16);
 
 /**
- * gtm_get_specific_timer - request specific GTM timer
+ * gtm_get_specific_timer16 - request specific GTM timer
  * @gtm:	specific GTM, pass here GTM's device_node->data
  * @timer:	specific timer number, Timer1 is 0.
  * Context:	non-IRQ
@@ -260,7 +260,7 @@ int gtm_set_timer16(struct gtm_timer *tmr, unsigned long usec, bool reload)
 EXPORT_SYMBOL(gtm_set_timer16);
 
 /**
- * gtm_set_exact_utimer16 - (re)set 16 bits timer
+ * gtm_set_exact_timer16 - (re)set 16 bits timer
  * @tmr:	pointer to the gtm_timer structure obtained from gtm_get_timer
  * @usec:	timer interval in microseconds
  * @reload:	if set, the timer will reset upon expiry rather than
diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c
index 8e6c84df4ca1..7b9a5ea9cad9 100644
--- a/arch/powerpc/sysdev/fsl_msi.c
+++ b/arch/powerpc/sysdev/fsl_msi.c
@@ -75,7 +75,7 @@ static void fsl_msi_print_chip(struct irq_data *irqd, struct seq_file *p)
 	srs = (hwirq >> msi_data->srs_shift) & MSI_SRS_MASK;
 	cascade_virq = msi_data->cascade_array[srs]->virq;
 
-	seq_printf(p, " fsl-msi-%d", cascade_virq);
+	seq_printf(p, "fsl-msi-%d", cascade_virq);
 }
 
 
@@ -564,10 +564,12 @@ static const struct fsl_msi_feature ipic_msi_feature = {
 	.msiir_offset = 0x38,
 };
 
+#ifdef CONFIG_EPAPR_PARAVIRT
 static const struct fsl_msi_feature vmpic_msi_feature = {
 	.fsl_pic_ip = FSL_PIC_IP_VMPIC,
 	.msiir_offset = 0,
 };
+#endif
 
 static const struct of_device_id fsl_of_msi_ids[] = {
 	{
@@ -601,7 +603,7 @@ static struct platform_driver fsl_of_msi_driver = {
 		.of_match_table = fsl_of_msi_ids,
 	},
 	.probe = fsl_of_msi_probe,
-	.remove_new = fsl_of_msi_remove,
+	.remove = fsl_of_msi_remove,
 };
 
 static __init int fsl_of_msi_init(void)
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index 5f69e2d50f26..a35be0232978 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -757,13 +757,12 @@ struct ipic * __init ipic_init(struct device_node *node, unsigned int flags)
 	ipic_write(ipic->regs, IPIC_SEMSR, temp);
 
 	primary_ipic = ipic;
-	irq_set_default_host(primary_ipic->irqhost);
+	irq_set_default_domain(primary_ipic->irqhost);
 
 	ipic_write(ipic->regs, IPIC_SIMSR_H, 0);
 	ipic_write(ipic->regs, IPIC_SIMSR_L, 0);
 
-	printk ("IPIC (%d IRQ sources) at %p\n", NR_IPIC_INTS,
-			primary_ipic->regs);
+	pr_info("IPIC (%d IRQ sources) at MMIO %pa\n", NR_IPIC_INTS, &res.start);
 
 	return ipic;
 }
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index d94cf36b0f65..4afbab83a2e2 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1520,7 +1520,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
 
 	if (!(mpic->flags & MPIC_SECONDARY)) {
 		mpic_primary = mpic;
-		irq_set_default_host(mpic->irqhost);
+		irq_set_default_domain(mpic->irqhost);
 	}
 
 	return mpic;
diff --git a/arch/powerpc/sysdev/msi_bitmap.c b/arch/powerpc/sysdev/msi_bitmap.c
index 0b6e37f3ffb8..456a4f64ae0a 100644
--- a/arch/powerpc/sysdev/msi_bitmap.c
+++ b/arch/powerpc/sysdev/msi_bitmap.c
@@ -124,10 +124,7 @@ int __ref msi_bitmap_alloc(struct msi_bitmap *bmp, unsigned int irq_count,
 	if (bmp->bitmap_from_slab)
 		bmp->bitmap = kzalloc(size, GFP_KERNEL);
 	else {
-		bmp->bitmap = memblock_alloc(size, SMP_CACHE_BYTES);
-		if (!bmp->bitmap)
-			panic("%s: Failed to allocate %u bytes\n", __func__,
-			      size);
+		bmp->bitmap = memblock_alloc_or_panic(size, SMP_CACHE_BYTES);
 		/* the bitmap won't be freed from memblock allocator */
 		kmemleak_not_leak(bmp->bitmap);
 	}
diff --git a/arch/powerpc/sysdev/pmi.c b/arch/powerpc/sysdev/pmi.c
deleted file mode 100644
index 737f97fd67d7..000000000000
--- a/arch/powerpc/sysdev/pmi.c
+++ /dev/null
@@ -1,267 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * pmi driver
- *
- * (C) Copyright IBM Deutschland Entwicklung GmbH 2005
- *
- * PMI (Platform Management Interrupt) is a way to communicate
- * with the BMC (Baseboard Management Controller) via interrupts.
- * Unlike IPMI it is bidirectional and has a low latency.
- *
- * Author: Christian Krafft <krafft@de.ibm.com>
- */
-
-#include <linux/interrupt.h>
-#include <linux/slab.h>
-#include <linux/completion.h>
-#include <linux/spinlock.h>
-#include <linux/module.h>
-#include <linux/mod_devicetable.h>
-#include <linux/workqueue.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/platform_device.h>
-
-#include <asm/io.h>
-#include <asm/pmi.h>
-
-struct pmi_data {
-	struct list_head	handler;
-	spinlock_t		handler_spinlock;
-	spinlock_t		pmi_spinlock;
-	struct mutex		msg_mutex;
-	pmi_message_t		msg;
-	struct completion	*completion;
-	struct platform_device	*dev;
-	int			irq;
-	u8 __iomem		*pmi_reg;
-	struct work_struct	work;
-};
-
-static struct pmi_data *data;
-
-static irqreturn_t pmi_irq_handler(int irq, void *dev_id)
-{
-	u8 type;
-	int rc;
-
-	spin_lock(&data->pmi_spinlock);
-
-	type = ioread8(data->pmi_reg + PMI_READ_TYPE);
-	pr_debug("pmi: got message of type %d\n", type);
-
-	if (type & PMI_ACK && !data->completion) {
-		printk(KERN_WARNING "pmi: got unexpected ACK message.\n");
-		rc = -EIO;
-		goto unlock;
-	}
-
-	if (data->completion && !(type & PMI_ACK)) {
-		printk(KERN_WARNING "pmi: expected ACK, but got %d\n", type);
-		rc = -EIO;
-		goto unlock;
-	}
-
-	data->msg.type = type;
-	data->msg.data0 = ioread8(data->pmi_reg + PMI_READ_DATA0);
-	data->msg.data1 = ioread8(data->pmi_reg + PMI_READ_DATA1);
-	data->msg.data2 = ioread8(data->pmi_reg + PMI_READ_DATA2);
-	rc = 0;
-unlock:
-	spin_unlock(&data->pmi_spinlock);
-
-	if (rc == -EIO) {
-		rc = IRQ_HANDLED;
-		goto out;
-	}
-
-	if (data->msg.type & PMI_ACK) {
-		complete(data->completion);
-		rc = IRQ_HANDLED;
-		goto out;
-	}
-
-	schedule_work(&data->work);
-
-	rc = IRQ_HANDLED;
-out:
-	return rc;
-}
-
-
-static const struct of_device_id pmi_match[] = {
-	{ .type = "ibm,pmi", .name = "ibm,pmi" },
-	{ .type = "ibm,pmi" },
-	{},
-};
-
-MODULE_DEVICE_TABLE(of, pmi_match);
-
-static void pmi_notify_handlers(struct work_struct *work)
-{
-	struct pmi_handler *handler;
-
-	spin_lock(&data->handler_spinlock);
-	list_for_each_entry(handler, &data->handler, node) {
-		pr_debug("pmi: notifying handler %p\n", handler);
-		if (handler->type == data->msg.type)
-			handler->handle_pmi_message(data->msg);
-	}
-	spin_unlock(&data->handler_spinlock);
-}
-
-static int pmi_of_probe(struct platform_device *dev)
-{
-	struct device_node *np = dev->dev.of_node;
-	int rc;
-
-	if (data) {
-		printk(KERN_ERR "pmi: driver has already been initialized.\n");
-		rc = -EBUSY;
-		goto out;
-	}
-
-	data = kzalloc(sizeof(struct pmi_data), GFP_KERNEL);
-	if (!data) {
-		printk(KERN_ERR "pmi: could not allocate memory.\n");
-		rc = -ENOMEM;
-		goto out;
-	}
-
-	data->pmi_reg = of_iomap(np, 0);
-	if (!data->pmi_reg) {
-		printk(KERN_ERR "pmi: invalid register address.\n");
-		rc = -EFAULT;
-		goto error_cleanup_data;
-	}
-
-	INIT_LIST_HEAD(&data->handler);
-
-	mutex_init(&data->msg_mutex);
-	spin_lock_init(&data->pmi_spinlock);
-	spin_lock_init(&data->handler_spinlock);
-
-	INIT_WORK(&data->work, pmi_notify_handlers);
-
-	data->dev = dev;
-
-	data->irq = irq_of_parse_and_map(np, 0);
-	if (!data->irq) {
-		printk(KERN_ERR "pmi: invalid interrupt.\n");
-		rc = -EFAULT;
-		goto error_cleanup_iomap;
-	}
-
-	rc = request_irq(data->irq, pmi_irq_handler, 0, "pmi", NULL);
-	if (rc) {
-		printk(KERN_ERR "pmi: can't request IRQ %d: returned %d\n",
-				data->irq, rc);
-		goto error_cleanup_iomap;
-	}
-
-	printk(KERN_INFO "pmi: found pmi device at addr %p.\n", data->pmi_reg);
-
-	goto out;
-
-error_cleanup_iomap:
-	iounmap(data->pmi_reg);
-
-error_cleanup_data:
-	kfree(data);
-
-out:
-	return rc;
-}
-
-static void pmi_of_remove(struct platform_device *dev)
-{
-	struct pmi_handler *handler, *tmp;
-
-	free_irq(data->irq, NULL);
-	iounmap(data->pmi_reg);
-
-	spin_lock(&data->handler_spinlock);
-
-	list_for_each_entry_safe(handler, tmp, &data->handler, node)
-		list_del(&handler->node);
-
-	spin_unlock(&data->handler_spinlock);
-
-	kfree(data);
-	data = NULL;
-}
-
-static struct platform_driver pmi_of_platform_driver = {
-	.probe		= pmi_of_probe,
-	.remove_new	= pmi_of_remove,
-	.driver = {
-		.name = "pmi",
-		.of_match_table = pmi_match,
-	},
-};
-module_platform_driver(pmi_of_platform_driver);
-
-int pmi_send_message(pmi_message_t msg)
-{
-	unsigned long flags;
-	DECLARE_COMPLETION_ONSTACK(completion);
-
-	if (!data)
-		return -ENODEV;
-
-	mutex_lock(&data->msg_mutex);
-
-	data->msg = msg;
-	pr_debug("pmi_send_message: msg is %08x\n", *(u32*)&msg);
-
-	data->completion = &completion;
-
-	spin_lock_irqsave(&data->pmi_spinlock, flags);
-	iowrite8(msg.data0, data->pmi_reg + PMI_WRITE_DATA0);
-	iowrite8(msg.data1, data->pmi_reg + PMI_WRITE_DATA1);
-	iowrite8(msg.data2, data->pmi_reg + PMI_WRITE_DATA2);
-	iowrite8(msg.type, data->pmi_reg + PMI_WRITE_TYPE);
-	spin_unlock_irqrestore(&data->pmi_spinlock, flags);
-
-	pr_debug("pmi_send_message: wait for completion\n");
-
-	wait_for_completion_interruptible_timeout(data->completion,
-						  PMI_TIMEOUT);
-
-	data->completion = NULL;
-
-	mutex_unlock(&data->msg_mutex);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(pmi_send_message);
-
-int pmi_register_handler(struct pmi_handler *handler)
-{
-	if (!data)
-		return -ENODEV;
-
-	spin_lock(&data->handler_spinlock);
-	list_add_tail(&handler->node, &data->handler);
-	spin_unlock(&data->handler_spinlock);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(pmi_register_handler);
-
-void pmi_unregister_handler(struct pmi_handler *handler)
-{
-	if (!data)
-		return;
-
-	pr_debug("pmi: unregistering handler %p\n", handler);
-
-	spin_lock(&data->handler_spinlock);
-	list_del(&handler->node);
-	spin_unlock(&data->handler_spinlock);
-}
-EXPORT_SYMBOL_GPL(pmi_unregister_handler);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Christian Krafft <krafft@de.ibm.com>");
-MODULE_DESCRIPTION("IBM Platform Management Interrupt driver");
diff --git a/arch/powerpc/sysdev/rtc_cmos_setup.c b/arch/powerpc/sysdev/rtc_cmos_setup.c
index 47cc87bd6a33..9a232ae5e360 100644
--- a/arch/powerpc/sysdev/rtc_cmos_setup.c
+++ b/arch/powerpc/sysdev/rtc_cmos_setup.c
@@ -66,4 +66,5 @@ static int  __init add_rtc(void)
 }
 fs_initcall(add_rtc);
 
+MODULE_DESCRIPTION("PPC RTC CMOS driver");
 MODULE_LICENSE("GPL");
diff --git a/arch/powerpc/sysdev/xics/icp-native.c b/arch/powerpc/sysdev/xics/icp-native.c
index 700b67476a7d..4e89158a577c 100644
--- a/arch/powerpc/sysdev/xics/icp-native.c
+++ b/arch/powerpc/sysdev/xics/icp-native.c
@@ -145,27 +145,6 @@ static void icp_native_cause_ipi(int cpu)
 	icp_native_set_qirr(cpu, IPI_PRIORITY);
 }
 
-#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
-void icp_native_cause_ipi_rm(int cpu)
-{
-	/*
-	 * Currently not used to send IPIs to another CPU
-	 * on the same core. Only caller is KVM real mode.
-	 * Need the physical address of the XICS to be
-	 * previously saved in kvm_hstate in the paca.
-	 */
-	void __iomem *xics_phys;
-
-	/*
-	 * Just like the cause_ipi functions, it is required to
-	 * include a full barrier before causing the IPI.
-	 */
-	xics_phys = paca_ptrs[cpu]->kvm_hstate.xics_phys;
-	mb();
-	__raw_rm_writeb(IPI_PRIORITY, xics_phys + XICS_MFRR);
-}
-#endif
-
 /*
  * Called when an interrupt is received on an off-line CPU to
  * clear the interrupt, so that the CPU can go back to nap mode.
diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c
index d3a4156e8788..c3fa539a9898 100644
--- a/arch/powerpc/sysdev/xics/xics-common.c
+++ b/arch/powerpc/sysdev/xics/xics-common.c
@@ -472,7 +472,7 @@ static int __init xics_allocate_domain(void)
 		return -ENOMEM;
 	}
 
-	irq_set_default_host(xics_host);
+	irq_set_default_domain(xics_host);
 	return 0;
 }
 
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c
index a289cb97c1d7..dc2e61837396 100644
--- a/arch/powerpc/sysdev/xive/common.c
+++ b/arch/powerpc/sysdev/xive/common.c
@@ -383,7 +383,7 @@ static unsigned int xive_get_irq(void)
  * CPU.
  *
  * If we find that there is indeed more in there, we call
- * force_external_irq_replay() to make Linux synthetize an
+ * force_external_irq_replay() to make Linux synthesize an
  * external interrupt on the next call to local_irq_restore().
  */
 static void xive_do_queue_eoi(struct xive_cpu *xc)
@@ -726,7 +726,7 @@ static int xive_irq_set_affinity(struct irq_data *d,
 	pr_debug("%s: irq %d/0x%x\n", __func__, d->irq, hw_irq);
 
 	/* Is this valid ? */
-	if (cpumask_any_and(cpumask, cpu_online_mask) >= nr_cpu_ids)
+	if (!cpumask_intersects(cpumask, cpu_online_mask))
 		return -EINVAL;
 
 	/*
@@ -874,7 +874,7 @@ static int xive_irq_set_vcpu_affinity(struct irq_data *d, void *state)
 		 *
 		 * This also tells us that it's in flight to a host queue
 		 * or has already been fetched but hasn't been EOIed yet
-		 * by the host. This it's potentially using up a host
+		 * by the host. Thus it's potentially using up a host
 		 * queue slot. This is important to know because as long
 		 * as this is the case, we must not hard-unmask it when
 		 * "returning" that interrupt to the host.
@@ -1467,7 +1467,7 @@ static void __init xive_init_host(struct device_node *np)
 	xive_irq_domain = irq_domain_add_tree(np, &xive_irq_domain_ops, NULL);
 	if (WARN_ON(xive_irq_domain == NULL))
 		return;
-	irq_set_default_host(xive_irq_domain);
+	irq_set_default_domain(xive_irq_domain);
 }
 
 static void xive_cleanup_cpu_queues(unsigned int cpu, struct xive_cpu *xc)
diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c
index f1c0fa6ece21..a0934b516933 100644
--- a/arch/powerpc/sysdev/xive/native.c
+++ b/arch/powerpc/sysdev/xive/native.c
@@ -415,7 +415,7 @@ static void xive_native_setup_cpu(unsigned int cpu, struct xive_cpu *xc)
 		return;
 	}
 
-	/* Grab it's CAM value */
+	/* Grab its CAM value */
 	rc = opal_xive_get_vp_info(vp, NULL, &vp_cam_be, NULL, NULL);
 	if (rc) {
 		pr_err("Failed to get pool VP info CPU %d\n", cpu);
@@ -559,9 +559,7 @@ bool __init xive_native_init(void)
 	struct device_node *np;
 	struct resource r;
 	void __iomem *tima;
-	struct property *prop;
 	u8 max_prio = 7;
-	const __be32 *p;
 	u32 val, cpu;
 	s64 rc;
 
@@ -592,7 +590,7 @@ bool __init xive_native_init(void)
 		max_prio = val - 1;
 
 	/* Iterate the EQ sizes and pick one */
-	of_property_for_each_u32(np, "ibm,xive-eq-sizes", prop, p, val) {
+	of_property_for_each_u32(np, "ibm,xive-eq-sizes", val) {
 		xive_queue_shift = val;
 		if (val == PAGE_SHIFT)
 			break;
diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/spapr.c
index e45419264391..5aedbe3e8e6a 100644
--- a/arch/powerpc/sysdev/xive/spapr.c
+++ b/arch/powerpc/sysdev/xive/spapr.c
@@ -7,6 +7,7 @@
 
 #include <linux/types.h>
 #include <linux/irq.h>
+#include <linux/seq_file.h>
 #include <linux/smp.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
@@ -814,7 +815,6 @@ bool __init xive_spapr_init(void)
 	struct device_node *np;
 	struct resource r;
 	void __iomem *tima;
-	struct property *prop;
 	u8 max_prio;
 	u32 val;
 	u32 len;
@@ -866,7 +866,7 @@ bool __init xive_spapr_init(void)
 	}
 
 	/* Iterate the EQ sizes and pick one */
-	of_property_for_each_u32(np, "ibm,xive-eq-sizes", prop, reg, val) {
+	of_property_for_each_u32(np, "ibm,xive-eq-sizes", val) {
 		xive_queue_shift = val;
 		if (val == PAGE_SHIFT)
 			break;