[ARM] Rename chipdata to 'base' and make it an iomem pointer

In all current use cases, "chipdata" is used to store an iomem address.
Mark it with __iomem, and rename it to 'base'.  Leave the accessor macros
alone.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index 2360940..787e0d0 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -60,7 +60,7 @@
 	unsigned long phys;
 	unsigned int irq;
 	spinlock_t lock;
-	void *base;
+	void __iomem *base;
 };
 
 struct locomo_dev_info {
@@ -162,7 +162,7 @@
 {
 	int req, i;
 	struct irqdesc *d;
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 
 	/* Acknowledge the parent IRQ */
 	desc->chip->ack(irq);
@@ -189,7 +189,7 @@
 
 static void locomo_mask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_ICR);
 	r &= ~(0x0010 << (irq - LOCOMO_IRQ_START));
@@ -198,7 +198,7 @@
 
 static void locomo_unmask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_ICR);
 	r |= (0x0010 << (irq - LOCOMO_IRQ_START));
@@ -215,7 +215,7 @@
 			    struct pt_regs *regs)
 {
 	struct irqdesc *d;
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 
 	if (locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC) & 0x0001) {
 		d = irq_desc + LOCOMO_IRQ_KEY_START;
@@ -225,7 +225,7 @@
 
 static void locomo_key_ack_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC);
 	r &= ~(0x0100 << (irq - LOCOMO_IRQ_KEY_START));
@@ -234,7 +234,7 @@
 
 static void locomo_key_mask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC);
 	r &= ~(0x0010 << (irq - LOCOMO_IRQ_KEY_START));
@@ -243,7 +243,7 @@
 
 static void locomo_key_unmask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC);
 	r |= (0x0010 << (irq - LOCOMO_IRQ_KEY_START));
@@ -261,7 +261,7 @@
 {
 	int req, i;
 	struct irqdesc *d;
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 
 	req = 	locomo_readl(mapbase + LOCOMO_GIR) &
 		locomo_readl(mapbase + LOCOMO_GPD) &
@@ -280,7 +280,7 @@
 
 static void locomo_gpio_ack_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_GWE);
 	r |= (0x0001 << (irq - LOCOMO_IRQ_GPIO_START));
@@ -297,7 +297,7 @@
 
 static void locomo_gpio_mask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_GIE);
 	r &= ~(0x0001 << (irq - LOCOMO_IRQ_GPIO_START));
@@ -306,7 +306,7 @@
 
 static void locomo_gpio_unmask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_GIE);
 	r |= (0x0001 << (irq - LOCOMO_IRQ_GPIO_START));
@@ -323,7 +323,7 @@
 			   struct pt_regs *regs)
 {
 	struct irqdesc *d;
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 
 	if (locomo_readl(mapbase + LOCOMO_LTINT) & 0x0001) {
 		d = irq_desc + LOCOMO_IRQ_LT_START;
@@ -333,7 +333,7 @@
 
 static void locomo_lt_ack_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_LTINT);
 	r &= ~(0x0100 << (irq - LOCOMO_IRQ_LT_START));
@@ -342,7 +342,7 @@
 
 static void locomo_lt_mask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_LTINT);
 	r &= ~(0x0010 << (irq - LOCOMO_IRQ_LT_START));
@@ -351,7 +351,7 @@
 
 static void locomo_lt_unmask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_LTINT);
 	r |= (0x0010 << (irq - LOCOMO_IRQ_LT_START));
@@ -369,7 +369,7 @@
 {
 	int req, i;
 	struct irqdesc *d;
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 
 	req = locomo_readl(mapbase + LOCOMO_SPIIR) & 0x000F;
 	if (req) {
@@ -386,7 +386,7 @@
 
 static void locomo_spi_ack_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_SPIWE);
 	r |= (0x0001 << (irq - LOCOMO_IRQ_SPI_START));
@@ -403,7 +403,7 @@
 
 static void locomo_spi_mask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_SPIIE);
 	r &= ~(0x0001 << (irq - LOCOMO_IRQ_SPI_START));
@@ -412,7 +412,7 @@
 
 static void locomo_spi_unmask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_SPIIE);
 	r |= (0x0001 << (irq - LOCOMO_IRQ_SPI_START));
@@ -428,7 +428,7 @@
 static void locomo_setup_irq(struct locomo *lchip)
 {
 	int irq;
-	void *irqbase = lchip->base;
+	void __iomem *irqbase = lchip->base;
 
 	/*
 	 * Install handler for IRQ_LOCOMO_HW.