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path: root/arch/arm/mach-davinci/gpio.c
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Diffstat (limited to 'arch/arm/mach-davinci/gpio.c')
-rw-r--r--arch/arm/mach-davinci/gpio.c41
1 files changed, 25 insertions, 16 deletions
diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c
index 744755b53236..5476ad132044 100644
--- a/arch/arm/mach-davinci/gpio.c
+++ b/arch/arm/mach-davinci/gpio.c
@@ -24,18 +24,27 @@ static DEFINE_SPINLOCK(gpio_lock);
struct davinci_gpio {
struct gpio_chip chip;
- struct gpio_controller *__iomem regs;
+ struct gpio_controller __iomem *regs;
int irq_base;
};
static struct davinci_gpio chips[DIV_ROUND_UP(DAVINCI_N_GPIO, 32)];
/* create a non-inlined version */
-static struct gpio_controller __iomem * __init gpio2controller(unsigned gpio)
+static struct gpio_controller __iomem __init *gpio2controller(unsigned gpio)
{
return __gpio_to_controller(gpio);
}
+static inline struct gpio_controller __iomem *irq2controller(int irq)
+{
+ struct gpio_controller __iomem *g;
+
+ g = (__force struct gpio_controller __iomem *)get_irq_chip_data(irq);
+
+ return g;
+}
+
static int __init davinci_gpio_irq_setup(void);
/*--------------------------------------------------------------------------*/
@@ -48,7 +57,7 @@ static int __init davinci_gpio_irq_setup(void);
static int davinci_direction_in(struct gpio_chip *chip, unsigned offset)
{
struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip);
- struct gpio_controller *__iomem g = d->regs;
+ struct gpio_controller __iomem *g = d->regs;
u32 temp;
spin_lock(&gpio_lock);
@@ -70,7 +79,7 @@ static int davinci_direction_in(struct gpio_chip *chip, unsigned offset)
static int davinci_gpio_get(struct gpio_chip *chip, unsigned offset)
{
struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip);
- struct gpio_controller *__iomem g = d->regs;
+ struct gpio_controller __iomem *g = d->regs;
return (1 << offset) & __raw_readl(&g->in_data);
}
@@ -79,7 +88,7 @@ static int
davinci_direction_out(struct gpio_chip *chip, unsigned offset, int value)
{
struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip);
- struct gpio_controller *__iomem g = d->regs;
+ struct gpio_controller __iomem *g = d->regs;
u32 temp;
u32 mask = 1 << offset;
@@ -99,7 +108,7 @@ static void
davinci_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip);
- struct gpio_controller *__iomem g = d->regs;
+ struct gpio_controller __iomem *g = d->regs;
__raw_writel((1 << offset), value ? &g->set_data : &g->clr_data);
}
@@ -161,7 +170,7 @@ pure_initcall(davinci_gpio_setup);
static void gpio_irq_disable(unsigned irq)
{
- struct gpio_controller *__iomem g = get_irq_chip_data(irq);
+ struct gpio_controller __iomem *g = irq2controller(irq);
u32 mask = (u32) get_irq_data(irq);
__raw_writel(mask, &g->clr_falling);
@@ -170,7 +179,7 @@ static void gpio_irq_disable(unsigned irq)
static void gpio_irq_enable(unsigned irq)
{
- struct gpio_controller *__iomem g = get_irq_chip_data(irq);
+ struct gpio_controller __iomem *g = irq2controller(irq);
u32 mask = (u32) get_irq_data(irq);
unsigned status = irq_desc[irq].status;
@@ -186,7 +195,7 @@ static void gpio_irq_enable(unsigned irq)
static int gpio_irq_type(unsigned irq, unsigned trigger)
{
- struct gpio_controller *__iomem g = get_irq_chip_data(irq);
+ struct gpio_controller __iomem *g = irq2controller(irq);
u32 mask = (u32) get_irq_data(irq);
if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
@@ -215,7 +224,7 @@ static struct irq_chip gpio_irqchip = {
static void
gpio_irq_handler(unsigned irq, struct irq_desc *desc)
{
- struct gpio_controller *__iomem g = get_irq_chip_data(irq);
+ struct gpio_controller __iomem *g = irq2controller(irq);
u32 mask = 0xffff;
/* we only care about one bank */
@@ -276,7 +285,7 @@ static int gpio_to_irq_unbanked(struct gpio_chip *chip, unsigned offset)
static int gpio_irq_type_unbanked(unsigned irq, unsigned trigger)
{
- struct gpio_controller *__iomem g = get_irq_chip_data(irq);
+ struct gpio_controller __iomem *g = irq2controller(irq);
u32 mask = (u32) get_irq_data(irq);
if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
@@ -305,7 +314,7 @@ static int __init davinci_gpio_irq_setup(void)
u32 binten = 0;
unsigned ngpio, bank_irq;
struct davinci_soc_info *soc_info = &davinci_soc_info;
- struct gpio_controller *__iomem g;
+ struct gpio_controller __iomem *g;
ngpio = soc_info->gpio_num;
@@ -362,7 +371,7 @@ static int __init davinci_gpio_irq_setup(void)
for (gpio = 0; gpio < soc_info->gpio_unbanked; gpio++, irq++) {
set_irq_chip(irq, &gpio_irqchip_unbanked);
set_irq_data(irq, (void *) __gpio_mask(gpio));
- set_irq_chip_data(irq, g);
+ set_irq_chip_data(irq, (__force void *) g);
irq_desc[irq].status |= IRQ_TYPE_EDGE_BOTH;
}
@@ -385,12 +394,12 @@ static int __init davinci_gpio_irq_setup(void)
/* set up all irqs in this bank */
set_irq_chained_handler(bank_irq, gpio_irq_handler);
- set_irq_chip_data(bank_irq, g);
- set_irq_data(bank_irq, (void *)irq);
+ set_irq_chip_data(bank_irq, (__force void *) g);
+ set_irq_data(bank_irq, (void *) irq);
for (i = 0; i < 16 && gpio < ngpio; i++, irq++, gpio++) {
set_irq_chip(irq, &gpio_irqchip);
- set_irq_chip_data(irq, g);
+ set_irq_chip_data(irq, (__force void *) g);
set_irq_data(irq, (void *) __gpio_mask(gpio));
set_irq_handler(irq, handle_simple_irq);
set_irq_flags(irq, IRQF_VALID);