13 files changed, 134 insertions, 268 deletions

diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig
index 3e073467caca..2e32acca02fb 100644
--- a/arch/arm/common/Kconfig
+++ b/arch/arm/common/Kconfig
@@ -12,7 +12,8 @@ config ICST307
 
 config SA1111
 	bool
-	select DMABOUNCE
+	select DMABOUNCE if !ARCH_PXA
+	select ZONE_DMA if !ARCH_PXA
 
 config DMABOUNCE
 	bool
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c
index dd2947342604..f030f0775be7 100644
--- a/arch/arm/common/dmabounce.c
+++ b/arch/arm/common/dmabounce.c
@@ -154,9 +154,7 @@ alloc_safe_buffer(struct dmabounce_device_info *device_info, void *ptr,
 #endif
 
 	write_lock_irqsave(&device_info->lock, flags);
-
 	list_add(&buf->node, &device_info->safe_buffers);
-
 	write_unlock_irqrestore(&device_info->lock, flags);
 
 	return buf;
@@ -205,8 +203,22 @@ free_safe_buffer(struct dmabounce_device_info *device_info, struct safe_buffer *
 
 /* ************************************************** */
 
-static inline dma_addr_t
-map_single(struct device *dev, void *ptr, size_t size,
+static struct safe_buffer *find_safe_buffer_dev(struct device *dev,
+		dma_addr_t dma_addr, const char *where)
+{
+	if (!dev || !dev->archdata.dmabounce)
+		return NULL;
+	if (dma_mapping_error(dev, dma_addr)) {
+		if (dev)
+			dev_err(dev, "Trying to %s invalid mapping\n", where);
+		else
+			pr_err("unknown device: Trying to %s invalid mapping\n", where);
+		return NULL;
+	}
+	return find_safe_buffer(dev->archdata.dmabounce, dma_addr);
+}
+
+static inline dma_addr_t map_single(struct device *dev, void *ptr, size_t size,
 		enum dma_data_direction dir)
 {
 	struct dmabounce_device_info *device_info = dev->archdata.dmabounce;
@@ -246,9 +258,9 @@ map_single(struct device *dev, void *ptr, size_t size,
 		}
 
 		dev_dbg(dev,
-			"%s: unsafe buffer %p (phy=%p) mapped to %p (phy=%p)\n",
-			__func__, buf->ptr, (void *) virt_to_dma(dev, buf->ptr),
-			buf->safe, (void *) buf->safe_dma_addr);
+			"%s: unsafe buffer %p (dma=%#x) mapped to %p (dma=%#x)\n",
+			__func__, buf->ptr, virt_to_dma(dev, buf->ptr),
+			buf->safe, buf->safe_dma_addr);
 
 		if ((dir == DMA_TO_DEVICE) ||
 		    (dir == DMA_BIDIRECTIONAL)) {
@@ -270,33 +282,21 @@ map_single(struct device *dev, void *ptr, size_t size,
 	return dma_addr;
 }
 
-static inline void
-unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
-		enum dma_data_direction dir)
+static inline void unmap_single(struct device *dev, dma_addr_t dma_addr,
+		size_t size, enum dma_data_direction dir)
 {
-	struct dmabounce_device_info *device_info = dev->archdata.dmabounce;
-	struct safe_buffer *buf = NULL;
-
-	/*
-	 * Trying to unmap an invalid mapping
-	 */
-	if (dma_mapping_error(dma_addr)) {
-		dev_err(dev, "Trying to unmap invalid mapping\n");
-		return;
-	}
-
-	if (device_info)
-		buf = find_safe_buffer(device_info, dma_addr);
+	struct safe_buffer *buf = find_safe_buffer_dev(dev, dma_addr, "unmap");
 
 	if (buf) {
 		BUG_ON(buf->size != size);
+		BUG_ON(buf->direction != dir);
 
 		dev_dbg(dev,
-			"%s: unsafe buffer %p (phy=%p) mapped to %p (phy=%p)\n",
-			__func__, buf->ptr, (void *) virt_to_dma(dev, buf->ptr),
-			buf->safe, (void *) buf->safe_dma_addr);
+			"%s: unsafe buffer %p (dma=%#x) mapped to %p (dma=%#x)\n",
+			__func__, buf->ptr, virt_to_dma(dev, buf->ptr),
+			buf->safe, buf->safe_dma_addr);
 
-		DO_STATS ( device_info->bounce_count++ );
+		DO_STATS(dev->archdata.dmabounce->bounce_count++);
 
 		if (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL) {
 			void *ptr = buf->ptr;
@@ -317,74 +317,7 @@ unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
 			dmac_clean_range(ptr, ptr + size);
 			outer_clean_range(__pa(ptr), __pa(ptr) + size);
 		}
-		free_safe_buffer(device_info, buf);
-	}
-}
-
-static inline void
-sync_single(struct device *dev, dma_addr_t dma_addr, size_t size,
-		enum dma_data_direction dir)
-{
-	struct dmabounce_device_info *device_info = dev->archdata.dmabounce;
-	struct safe_buffer *buf = NULL;
-
-	if (device_info)
-		buf = find_safe_buffer(device_info, dma_addr);
-
-	if (buf) {
-		/*
-		 * Both of these checks from original code need to be
-		 * commented out b/c some drivers rely on the following:
-		 *
-		 * 1) Drivers may map a large chunk of memory into DMA space
-		 *    but only sync a small portion of it. Good example is
-		 *    allocating a large buffer, mapping it, and then
-		 *    breaking it up into small descriptors. No point
-		 *    in syncing the whole buffer if you only have to
-		 *    touch one descriptor.
-		 *
-		 * 2) Buffers that are mapped as DMA_BIDIRECTIONAL are
-		 *    usually only synced in one dir at a time.
-		 *
-		 * See drivers/net/eepro100.c for examples of both cases.
-		 *
-		 * -ds
-		 *
-		 * BUG_ON(buf->size != size);
-		 * BUG_ON(buf->direction != dir);
-		 */
-
-		dev_dbg(dev,
-			"%s: unsafe buffer %p (phy=%p) mapped to %p (phy=%p)\n",
-			__func__, buf->ptr, (void *) virt_to_dma(dev, buf->ptr),
-			buf->safe, (void *) buf->safe_dma_addr);
-
-		DO_STATS ( device_info->bounce_count++ );
-
-		switch (dir) {
-		case DMA_FROM_DEVICE:
-			dev_dbg(dev,
-				"%s: copy back safe %p to unsafe %p size %d\n",
-				__func__, buf->safe, buf->ptr, size);
-			memcpy(buf->ptr, buf->safe, size);
-			break;
-		case DMA_TO_DEVICE:
-			dev_dbg(dev,
-				"%s: copy out unsafe %p to safe %p, size %d\n",
-				__func__,buf->ptr, buf->safe, size);
-			memcpy(buf->safe, buf->ptr, size);
-			break;
-		case DMA_BIDIRECTIONAL:
-			BUG();	/* is this allowed?  what does it mean? */
-		default:
-			BUG();
-		}
-		/*
-		 * No need to sync the safe buffer - it was allocated
-		 * via the coherent allocators.
-		 */
-	} else {
-		dma_cache_maint(dma_to_virt(dev, dma_addr), size, dir);
+		free_safe_buffer(dev->archdata.dmabounce, buf);
 	}
 }
 
@@ -396,21 +329,29 @@ sync_single(struct device *dev, dma_addr_t dma_addr, size_t size,
  * substitute the safe buffer for the unsafe one.
  * (basically move the buffer from an unsafe area to a safe one)
  */
-dma_addr_t
-dma_map_single(struct device *dev, void *ptr, size_t size,
+dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
 		enum dma_data_direction dir)
 {
-	dma_addr_t dma_addr;
-
 	dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n",
 		__func__, ptr, size, dir);
 
-	BUG_ON(dir == DMA_NONE);
+	BUG_ON(!valid_dma_direction(dir));
+
+	return map_single(dev, ptr, size, dir);
+}
+EXPORT_SYMBOL(dma_map_single);
+
+dma_addr_t dma_map_page(struct device *dev, struct page *page,
+		unsigned long offset, size_t size, enum dma_data_direction dir)
+{
+	dev_dbg(dev, "%s(page=%p,off=%#lx,size=%zx,dir=%x)\n",
+		__func__, page, offset, size, dir);
 
-	dma_addr = map_single(dev, ptr, size, dir);
+	BUG_ON(!valid_dma_direction(dir));
 
-	return dma_addr;
+	return map_single(dev, page_address(page) + offset, size, dir);
 }
+EXPORT_SYMBOL(dma_map_page);
 
 /*
  * see if a mapped address was really a "safe" buffer and if so, copy
@@ -419,122 +360,76 @@ dma_map_single(struct device *dev, void *ptr, size_t size,
  * should be)
  */
 
-void
-dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
-			enum dma_data_direction dir)
+void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
+		enum dma_data_direction dir)
 {
 	dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n",
 		__func__, (void *) dma_addr, size, dir);
 
-	BUG_ON(dir == DMA_NONE);
-
 	unmap_single(dev, dma_addr, size, dir);
 }
+EXPORT_SYMBOL(dma_unmap_single);
 
-int
-dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
-		enum dma_data_direction dir)
+int dmabounce_sync_for_cpu(struct device *dev, dma_addr_t addr,
+		unsigned long off, size_t sz, enum dma_data_direction dir)
 {
-	int i;
-
-	dev_dbg(dev, "%s(sg=%p,nents=%d,dir=%x)\n",
-		__func__, sg, nents, dir);
-
-	BUG_ON(dir == DMA_NONE);
-
-	for (i = 0; i < nents; i++, sg++) {
-		struct page *page = sg_page(sg);
-		unsigned int offset = sg->offset;
-		unsigned int length = sg->length;
-		void *ptr = page_address(page) + offset;
-
-		sg->dma_address =
-			map_single(dev, ptr, length, dir);
-	}
+	struct safe_buffer *buf;
 
-	return nents;
-}
+	dev_dbg(dev, "%s(dma=%#x,off=%#lx,sz=%zx,dir=%x)\n",
+		__func__, addr, off, sz, dir);
 
-void
-dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents,
-		enum dma_data_direction dir)
-{
-	int i;
+	buf = find_safe_buffer_dev(dev, addr, __func__);
+	if (!buf)
+		return 1;
 
-	dev_dbg(dev, "%s(sg=%p,nents=%d,dir=%x)\n",
-		__func__, sg, nents, dir);
+	BUG_ON(buf->direction != dir);
 
-	BUG_ON(dir == DMA_NONE);
+	dev_dbg(dev, "%s: unsafe buffer %p (dma=%#x) mapped to %p (dma=%#x)\n",
+		__func__, buf->ptr, virt_to_dma(dev, buf->ptr),
+		buf->safe, buf->safe_dma_addr);
 
-	for (i = 0; i < nents; i++, sg++) {
-		dma_addr_t dma_addr = sg->dma_address;
-		unsigned int length = sg->length;
+	DO_STATS(dev->archdata.dmabounce->bounce_count++);
 
-		unmap_single(dev, dma_addr, length, dir);
+	if (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL) {
+		dev_dbg(dev, "%s: copy back safe %p to unsafe %p size %d\n",
+			__func__, buf->safe + off, buf->ptr + off, sz);
+		memcpy(buf->ptr + off, buf->safe + off, sz);
 	}
+	return 0;
 }
+EXPORT_SYMBOL(dmabounce_sync_for_cpu);
 
-void
-dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_addr, size_t size,
-				enum dma_data_direction dir)
-{
-	dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n",
-		__func__, (void *) dma_addr, size, dir);
-
-	sync_single(dev, dma_addr, size, dir);
-}
-
-void
-dma_sync_single_for_device(struct device *dev, dma_addr_t dma_addr, size_t size,
-				enum dma_data_direction dir)
-{
-	dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n",
-		__func__, (void *) dma_addr, size, dir);
-
-	sync_single(dev, dma_addr, size, dir);
-}
-
-void
-dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nents,
-			enum dma_data_direction dir)
+int dmabounce_sync_for_device(struct device *dev, dma_addr_t addr,
+		unsigned long off, size_t sz, enum dma_data_direction dir)
 {
-	int i;
-
-	dev_dbg(dev, "%s(sg=%p,nents=%d,dir=%x)\n",
-		__func__, sg, nents, dir);
-
-	BUG_ON(dir == DMA_NONE);
-
-	for (i = 0; i < nents; i++, sg++) {
-		dma_addr_t dma_addr = sg->dma_address;
-		unsigned int length = sg->length;
+	struct safe_buffer *buf;
 
-		sync_single(dev, dma_addr, length, dir);
-	}
-}
+	dev_dbg(dev, "%s(dma=%#x,off=%#lx,sz=%zx,dir=%x)\n",
+		__func__, addr, off, sz, dir);
 
-void
-dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nents,
-			enum dma_data_direction dir)
-{
-	int i;
+	buf = find_safe_buffer_dev(dev, addr, __func__);
+	if (!buf)
+		return 1;
 
-	dev_dbg(dev, "%s(sg=%p,nents=%d,dir=%x)\n",
-		__func__, sg, nents, dir);
+	BUG_ON(buf->direction != dir);
 
-	BUG_ON(dir == DMA_NONE);
+	dev_dbg(dev, "%s: unsafe buffer %p (dma=%#x) mapped to %p (dma=%#x)\n",
+		__func__, buf->ptr, virt_to_dma(dev, buf->ptr),
+		buf->safe, buf->safe_dma_addr);
 
-	for (i = 0; i < nents; i++, sg++) {
-		dma_addr_t dma_addr = sg->dma_address;
-		unsigned int length = sg->length;
+	DO_STATS(dev->archdata.dmabounce->bounce_count++);
 
-		sync_single(dev, dma_addr, length, dir);
+	if (dir == DMA_TO_DEVICE || dir == DMA_BIDIRECTIONAL) {
+		dev_dbg(dev, "%s: copy out unsafe %p to safe %p, size %d\n",
+			__func__,buf->ptr + off, buf->safe + off, sz);
+		memcpy(buf->safe + off, buf->ptr + off, sz);
 	}
+	return 0;
 }
+EXPORT_SYMBOL(dmabounce_sync_for_device);
 
-static int
-dmabounce_init_pool(struct dmabounce_pool *pool, struct device *dev, const char *name,
-		    unsigned long size)
+static int dmabounce_init_pool(struct dmabounce_pool *pool, struct device *dev,
+		const char *name, unsigned long size)
 {
 	pool->size = size;
 	DO_STATS(pool->allocs = 0);
@@ -545,9 +440,8 @@ dmabounce_init_pool(struct dmabounce_pool *pool, struct device *dev, const char
 	return pool->pool ? 0 : -ENOMEM;
 }
 
-int
-dmabounce_register_dev(struct device *dev, unsigned long small_buffer_size,
-			unsigned long large_buffer_size)
+int dmabounce_register_dev(struct device *dev, unsigned long small_buffer_size,
+		unsigned long large_buffer_size)
 {
 	struct dmabounce_device_info *device_info;
 	int ret;
@@ -603,9 +497,9 @@ dmabounce_register_dev(struct device *dev, unsigned long small_buffer_size,
 	kfree(device_info);
 	return ret;
 }
+EXPORT_SYMBOL(dmabounce_register_dev);
 
-void
-dmabounce_unregister_dev(struct device *dev)
+void dmabounce_unregister_dev(struct device *dev)
 {
 	struct dmabounce_device_info *device_info = dev->archdata.dmabounce;
 
@@ -638,17 +532,6 @@ dmabounce_unregister_dev(struct device *dev)
 
 	dev_info(dev, "dmabounce: device unregistered\n");
 }
-
-
-EXPORT_SYMBOL(dma_map_single);
-EXPORT_SYMBOL(dma_unmap_single);
-EXPORT_SYMBOL(dma_map_sg);
-EXPORT_SYMBOL(dma_unmap_sg);
-EXPORT_SYMBOL(dma_sync_single_for_cpu);
-EXPORT_SYMBOL(dma_sync_single_for_device);
-EXPORT_SYMBOL(dma_sync_sg_for_cpu);
-EXPORT_SYMBOL(dma_sync_sg_for_device);
-EXPORT_SYMBOL(dmabounce_register_dev);
 EXPORT_SYMBOL(dmabounce_unregister_dev);
 
 MODULE_AUTHOR("Christopher Hoover <ch@hpl.hp.com>, Deepak Saxena <dsaxena@plexity.net>");
diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index 0c89bd35e06f..7fc9860a97d7 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -27,9 +27,9 @@
 #include <linux/list.h>
 #include <linux/smp.h>
 #include <linux/cpumask.h>
+#include <linux/io.h>
 
 #include <asm/irq.h>
-#include <asm/io.h>
 #include <asm/mach/irq.h>
 #include <asm/hardware/gic.h>
 
diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c
index 5fe9588db077..2793447621c3 100644
--- a/arch/arm/common/it8152.c
+++ b/arch/arm/common/it8152.c
@@ -66,14 +66,6 @@ static void it8152_unmask_irq(unsigned int irq)
        }
 }
 
-static inline void it8152_irq(int irq)
-{
-	struct irq_desc *desc;
-
-	desc = irq_desc + irq;
-	desc_handle_irq(irq, desc);
-}
-
 static struct irq_chip it8152_irq_chip = {
 	.name		= "it8152",
 	.ack		= it8152_mask_irq,
@@ -128,21 +120,21 @@ void it8152_irq_demux(unsigned int irq, struct irq_desc *desc)
 	       bits_pd &= ((1 << IT8152_PD_IRQ_COUNT) - 1);
 	       while (bits_pd) {
 		       i = __ffs(bits_pd);
-		       it8152_irq(IT8152_PD_IRQ(i));
+		       generic_handle_irq(IT8152_PD_IRQ(i));
 		       bits_pd &= ~(1 << i);
 	       }
 
 	       bits_lp &= ((1 << IT8152_LP_IRQ_COUNT) - 1);
 	       while (bits_lp) {
 		       i = __ffs(bits_lp);
-		       it8152_irq(IT8152_LP_IRQ(i));
+		       generic_handle_irq(IT8152_LP_IRQ(i));
 		       bits_lp &= ~(1 << i);
 	       }
 
 	       bits_ld &= ((1 << IT8152_LD_IRQ_COUNT) - 1);
 	       while (bits_ld) {
 		       i = __ffs(bits_ld);
-		       it8152_irq(IT8152_LD_IRQ(i));
+		       generic_handle_irq(IT8152_LD_IRQ(i));
 		       bits_ld &= ~(1 << i);
 	       }
        }
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index c3c3a3339049..7c6b4b99a2df 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -24,9 +24,9 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
+#include <linux/io.h>
 
-#include <asm/hardware.h>
-#include <asm/io.h>
+#include <mach/hardware.h>
 #include <asm/irq.h>
 #include <asm/mach/irq.h>
 
@@ -169,7 +169,6 @@ static struct locomo_dev_info locomo_devices[] = {
 static void locomo_handler(unsigned int irq, struct irq_desc *desc)
 {
 	int req, i;
-	struct irq_desc *d;
 	void __iomem *mapbase = get_irq_chip_data(irq);
 
 	/* Acknowledge the parent IRQ */
@@ -181,10 +180,9 @@ static void locomo_handler(unsigned int irq, struct irq_desc *desc)
 	if (req) {
 		/* generate the next interrupt(s) */
 		irq = LOCOMO_IRQ_START;
-		d = irq_desc + irq;
-		for (i = 0; i <= 3; i++, d++, irq++) {
+		for (i = 0; i <= 3; i++, irq++) {
 			if (req & (0x0100 << i)) {
-				desc_handle_irq(irq, d);
+				generic_handle_irq(irq);
 			}
 
 		}
@@ -222,12 +220,10 @@ static struct irq_chip locomo_chip = {
 
 static void locomo_key_handler(unsigned int irq, struct irq_desc *desc)
 {
-	struct irq_desc *d;
 	void __iomem *mapbase = get_irq_chip_data(irq);
 
 	if (locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC) & 0x0001) {
-		d = irq_desc + LOCOMO_IRQ_KEY_START;
-		desc_handle_irq(LOCOMO_IRQ_KEY_START, d);
+		generic_handle_irq(LOCOMO_IRQ_KEY_START);
 	}
 }
 
@@ -268,7 +264,6 @@ static struct irq_chip locomo_key_chip = {
 static void locomo_gpio_handler(unsigned int irq, struct irq_desc *desc)
 {
 	int req, i;
-	struct irq_desc *d;
 	void __iomem *mapbase = get_irq_chip_data(irq);
 
 	req = 	locomo_readl(mapbase + LOCOMO_GIR) &
@@ -277,10 +272,9 @@ static void locomo_gpio_handler(unsigned int irq, struct irq_desc *desc)
 
 	if (req) {
 		irq = LOCOMO_IRQ_GPIO_START;
-		d = irq_desc + LOCOMO_IRQ_GPIO_START;
-		for (i = 0; i <= 15; i++, irq++, d++) {
+		for (i = 0; i <= 15; i++, irq++) {
 			if (req & (0x0001 << i)) {
-				desc_handle_irq(irq, d);
+				generic_handle_irq(irq);
 			}
 		}
 	}
@@ -331,17 +325,17 @@ static int locomo_gpio_type(unsigned int irq, unsigned int type)
 
 	mask = 1 << (irq - LOCOMO_IRQ_GPIO_START);
 
-	if (type == IRQT_PROBE) {
+	if (type == IRQ_TYPE_PROBE) {
 		if ((GPIO_IRQ_rising_edge | GPIO_IRQ_falling_edge) & mask)
 			return 0;
-		type = __IRQT_RISEDGE | __IRQT_FALEDGE;
+		type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING;
 	}
 
-	if (type & __IRQT_RISEDGE)
+	if (type & IRQ_TYPE_EDGE_RISING)
 		GPIO_IRQ_rising_edge |= mask;
 	else
 		GPIO_IRQ_rising_edge &= ~mask;
-	if (type & __IRQT_FALEDGE)
+	if (type & IRQ_TYPE_EDGE_FALLING)
 		GPIO_IRQ_falling_edge |= mask;
 	else
 		GPIO_IRQ_falling_edge &= ~mask;
@@ -361,12 +355,10 @@ static struct irq_chip locomo_gpio_chip = {
 
 static void locomo_lt_handler(unsigned int irq, struct irq_desc *desc)
 {
-	struct irq_desc *d;
 	void __iomem *mapbase = get_irq_chip_data(irq);
 
 	if (locomo_readl(mapbase + LOCOMO_LTINT) & 0x0001) {
-		d = irq_desc + LOCOMO_IRQ_LT_START;
-		desc_handle_irq(LOCOMO_IRQ_LT_START, d);
+		generic_handle_irq(LOCOMO_IRQ_LT_START);
 	}
 }
 
@@ -407,17 +399,15 @@ static struct irq_chip locomo_lt_chip = {
 static void locomo_spi_handler(unsigned int irq, struct irq_desc *desc)
 {
 	int req, i;
-	struct irq_desc *d;
 	void __iomem *mapbase = get_irq_chip_data(irq);
 
 	req = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIIR) & 0x000F;
 	if (req) {
 		irq = LOCOMO_IRQ_SPI_START;
-		d = irq_desc + irq;
 
-		for (i = 0; i <= 3; i++, irq++, d++) {
+		for (i = 0; i <= 3; i++, irq++) {
 			if (req & (0x0001 << i)) {
-				desc_handle_irq(irq, d);
+				generic_handle_irq(irq);
 			}
 		}
 	}
@@ -473,7 +463,7 @@ static void locomo_setup_irq(struct locomo *lchip)
 	/*
 	 * Install handler for IRQ_LOCOMO_HW.
 	 */
-	set_irq_type(lchip->irq, IRQT_FALLING);
+	set_irq_type(lchip->irq, IRQ_TYPE_EDGE_FALLING);
 	set_irq_chip_data(lchip->irq, irqbase);
 	set_irq_chained_handler(lchip->irq, locomo_handler);
 
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index 0a8e1ff2af8a..fb86f248aab8 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -25,10 +25,10 @@
 #include <linux/spinlock.h>
 #include <linux/dma-mapping.h>
 #include <linux/clk.h>
+#include <linux/io.h>
 
-#include <asm/hardware.h>
+#include <mach/hardware.h>
 #include <asm/mach-types.h>
-#include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/mach/irq.h>
 #include <asm/sizes.h>
@@ -241,14 +241,14 @@ static int sa1111_type_lowirq(unsigned int irq, unsigned int flags)
 	void __iomem *mapbase = get_irq_chip_data(irq);
 	unsigned long ip0;
 
-	if (flags == IRQT_PROBE)
+	if (flags == IRQ_TYPE_PROBE)
 		return 0;
 
-	if ((!(flags & __IRQT_RISEDGE) ^ !(flags & __IRQT_FALEDGE)) == 0)
+	if ((!(flags & IRQ_TYPE_EDGE_RISING) ^ !(flags & IRQ_TYPE_EDGE_FALLING)) == 0)
 		return -EINVAL;
 
 	ip0 = sa1111_readl(mapbase + SA1111_INTPOL0);
-	if (flags & __IRQT_RISEDGE)
+	if (flags & IRQ_TYPE_EDGE_RISING)
 		ip0 &= ~mask;
 	else
 		ip0 |= mask;
@@ -338,14 +338,14 @@ static int sa1111_type_highirq(unsigned int irq, unsigned int flags)
 	void __iomem *mapbase = get_irq_chip_data(irq);
 	unsigned long ip1;
 
-	if (flags == IRQT_PROBE)
+	if (flags == IRQ_TYPE_PROBE)
 		return 0;
 
-	if ((!(flags & __IRQT_RISEDGE) ^ !(flags & __IRQT_FALEDGE)) == 0)
+	if ((!(flags & IRQ_TYPE_EDGE_RISING) ^ !(flags & IRQ_TYPE_EDGE_FALLING)) == 0)
 		return -EINVAL;
 
 	ip1 = sa1111_readl(mapbase + SA1111_INTPOL1);
-	if (flags & __IRQT_RISEDGE)
+	if (flags & IRQ_TYPE_EDGE_RISING)
 		ip1 &= ~mask;
 	else
 		ip1 |= mask;
@@ -427,7 +427,7 @@ static void sa1111_setup_irq(struct sa1111 *sachip)
 	/*
 	 * Register SA1111 interrupt
 	 */
-	set_irq_type(sachip->irq, IRQT_RISING);
+	set_irq_type(sachip->irq, IRQ_TYPE_EDGE_RISING);
 	set_irq_data(sachip->irq, irqbase);
 	set_irq_chained_handler(sachip->irq, sa1111_irq_handler);
 }
diff --git a/arch/arm/common/scoop.c b/arch/arm/common/scoop.c
index ae39553589dd..697c64913990 100644
--- a/arch/arm/common/scoop.c
+++ b/arch/arm/common/scoop.c
@@ -15,7 +15,7 @@
 #include <linux/string.h>
 #include <linux/slab.h>
 #include <linux/platform_device.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include <asm/gpio.h>
 #include <asm/hardware/scoop.h>
 
diff --git a/arch/arm/common/sharpsl_param.c b/arch/arm/common/sharpsl_param.c
index aad4d94ba8f5..d56c932580eb 100644
--- a/arch/arm/common/sharpsl_param.c
+++ b/arch/arm/common/sharpsl_param.c
@@ -12,6 +12,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/string.h>
 #include <asm/mach/sharpsl_param.h>
 
@@ -36,6 +37,7 @@
 #define PHAD_MAGIC	MAGIC_CHG('P','H','A','D')
 
 struct sharpsl_param_info sharpsl_param;
+EXPORT_SYMBOL(sharpsl_param);
 
 void sharpsl_save_param(void)
 {
diff --git a/arch/arm/common/sharpsl_pm.c b/arch/arm/common/sharpsl_pm.c
index 8822b684d474..db8309161408 100644
--- a/arch/arm/common/sharpsl_pm.c
+++ b/arch/arm/common/sharpsl_pm.c
@@ -26,13 +26,12 @@
 #include <linux/apm-emulation.h>
 #include <linux/suspend.h>
 
-#include <asm/hardware.h>
-#include <asm/mach-types.h>
+#include <mach/hardware.h>
 #include <asm/irq.h>
-#include <asm/arch/pm.h>
-#include <asm/arch/pxa-regs.h>
-#include <asm/arch/pxa2xx-regs.h>
-#include <asm/arch/sharpsl.h>
+#include <mach/pm.h>
+#include <mach/pxa-regs.h>
+#include <mach/pxa2xx-regs.h>
+#include <mach/sharpsl.h>
 #include <asm/hardware/sharpsl_pm.h>
 
 /*
diff --git a/arch/arm/common/time-acorn.c b/arch/arm/common/time-acorn.c
index d544da414731..deeed561b168 100644
--- a/arch/arm/common/time-acorn.c
+++ b/arch/arm/common/time-acorn.c
@@ -17,9 +17,9 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
+#include <linux/io.h>
 
-#include <asm/hardware.h>
-#include <asm/io.h>
+#include <mach/hardware.h>
 #include <asm/hardware/ioc.h>
 
 #include <asm/mach/time.h>
diff --git a/arch/arm/common/uengine.c b/arch/arm/common/uengine.c
index 117cab30bd36..b520e56216a9 100644
--- a/arch/arm/common/uengine.c
+++ b/arch/arm/common/uengine.c
@@ -16,10 +16,9 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/string.h>
-#include <asm/hardware.h>
-#include <asm/arch/hardware.h>
+#include <linux/io.h>
+#include <mach/hardware.h>
 #include <asm/hardware/uengine.h>
-#include <asm/io.h>
 
 #if defined(CONFIG_ARCH_IXP2000)
 #define IXP_UENGINE_CSR_VIRT_BASE	IXP2000_UENGINE_CSR_VIRT_BASE
diff --git a/arch/arm/common/via82c505.c b/arch/arm/common/via82c505.c
index 79a8206e62ac..8421d39109b3 100644
--- a/arch/arm/common/via82c505.c
+++ b/arch/arm/common/via82c505.c
@@ -4,8 +4,8 @@
 #include <linux/mm.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
+#include <linux/io.h>
 
-#include <asm/io.h>
 #include <asm/system.h>
 
 #include <asm/mach/pci.h>
diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c
index c026fa2214a3..f1e4b8f60cab 100644
--- a/arch/arm/common/vic.c
+++ b/arch/arm/common/vic.c
@@ -20,8 +20,8 @@
  */
 #include <linux/init.h>
 #include <linux/list.h>
+#include <linux/io.h>
 
-#include <asm/io.h>
 #include <asm/mach/irq.h>
 #include <asm/hardware/vic.h>