Merge branch 'linus'

1 files changed, 25 insertions, 26 deletions

diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index d31b1cb7eea0..a7dc1370695b 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -60,7 +60,7 @@ struct locomo {
         unsigned long phys;
         unsigned int irq;
         spinlock_t lock;
-        void *base;
+        void __iomem *base;
 };
 
 struct locomo_dev_info {
@@ -162,7 +162,7 @@ static void locomo_handler(unsigned int irq, struct irqdesc *desc,
 {
         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_ack_irq(unsigned int irq)
 
 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_mask_irq(unsigned int irq)
 
 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 @@ static void locomo_key_handler(unsigned int irq, struct irqdesc *desc,
                             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_handler(unsigned int irq, struct irqdesc *desc,
 
 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_ack_irq(unsigned int irq)
 
 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_mask_irq(unsigned int irq)
 
 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 @@ static void locomo_gpio_handler(unsigned int irq, struct irqdesc *desc,
 {
         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_handler(unsigned int irq, struct irqdesc *desc,
 
 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_ack_irq(unsigned int irq)
 
 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_mask_irq(unsigned int irq)
 
 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 @@ static void locomo_lt_handler(unsigned int irq, struct irqdesc *desc,
                            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_handler(unsigned int irq, struct irqdesc *desc,
 
 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_ack_irq(unsigned int irq)
 
 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_mask_irq(unsigned int irq)
 
 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 @@ static void locomo_spi_handler(unsigned int irq, struct irqdesc *desc,
 {
         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_handler(unsigned int irq, struct irqdesc *desc,
 
 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_ack_irq(unsigned int irq)
 
 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_mask_irq(unsigned int irq)
 
 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 struct irqchip locomo_spi_chip = {
 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.
@@ -501,12 +501,11 @@ locomo_init_one_child(struct locomo *lchip, struct locomo_dev_info *info)
         struct locomo_dev *dev;
         int ret;
 
-        dev = kmalloc(sizeof(struct locomo_dev), GFP_KERNEL);
+        dev = kzalloc(sizeof(struct locomo_dev), GFP_KERNEL);
         if (!dev) {
                 ret = -ENOMEM;
                 goto out;
         }
-        memset(dev, 0, sizeof(struct locomo_dev));
 
         strncpy(dev->dev.bus_id,info->name,sizeof(dev->dev.bus_id));
         /*
@@ -664,12 +663,10 @@ __locomo_probe(struct device *me, struct resource *mem, int irq)
         unsigned long r;
         int i, ret = -ENODEV;
 
-        lchip = kmalloc(sizeof(struct locomo), GFP_KERNEL);
+        lchip = kzalloc(sizeof(struct locomo), GFP_KERNEL);
         if (!lchip)
                 return -ENOMEM;
 
-        memset(lchip, 0, sizeof(struct locomo));
-
         spin_lock_init(&lchip->lock);
 
         lchip->dev = me;
@@ -788,6 +785,8 @@ static int locomo_probe(struct platform_device *dev)
         if (!mem)
                 return -EINVAL;
         irq = platform_get_irq(dev, 0);
+        if (irq < 0)
+                return -ENXIO;
 
         return __locomo_probe(&dev->dev, mem, irq);
 }