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authorLinus Walleij <linus.walleij@linaro.org>2015-07-17 14:45:31 +0200
committerLinus Walleij <linus.walleij@linaro.org>2015-07-17 14:45:31 +0200
commitbcae888039d5f0b522e1588c54f95a7612d1723c (patch)
treed8039698a3b74223dc94798046049e9bfcf23fe7 /drivers/gpio/gpio-davinci.c
parentgpio/davinci: add interrupt support for GPIOs 16-31 (diff)
parentgpio/davinci: Fix race in installing chained irq handler (diff)
downloadlinux-bcae888039d5f0b522e1588c54f95a7612d1723c.tar.xz
linux-bcae888039d5f0b522e1588c54f95a7612d1723c.zip
Merge branch 'queue/irq/gpio' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into devel
Diffstat (limited to 'drivers/gpio/gpio-davinci.c')
-rw-r--r--drivers/gpio/gpio-davinci.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index 86cfe1892cae..7be269402baf 100644
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -65,11 +65,11 @@ static struct davinci_gpio_regs __iomem *gpio2regs(unsigned gpio)
return ptr;
}
-static inline struct davinci_gpio_regs __iomem *irq2regs(int irq)
+static inline struct davinci_gpio_regs __iomem *irq2regs(struct irq_data *d)
{
struct davinci_gpio_regs __iomem *g;
- g = (__force struct davinci_gpio_regs __iomem *)irq_get_chip_data(irq);
+ g = (__force struct davinci_gpio_regs __iomem *)irq_data_get_irq_chip_data(d);
return g;
}
@@ -287,7 +287,7 @@ static int davinci_gpio_probe(struct platform_device *pdev)
static void gpio_irq_disable(struct irq_data *d)
{
- struct davinci_gpio_regs __iomem *g = irq2regs(d->irq);
+ struct davinci_gpio_regs __iomem *g = irq2regs(d);
u32 mask = (u32) irq_data_get_irq_handler_data(d);
writel_relaxed(mask, &g->clr_falling);
@@ -296,7 +296,7 @@ static void gpio_irq_disable(struct irq_data *d)
static void gpio_irq_enable(struct irq_data *d)
{
- struct davinci_gpio_regs __iomem *g = irq2regs(d->irq);
+ struct davinci_gpio_regs __iomem *g = irq2regs(d);
u32 mask = (u32) irq_data_get_irq_handler_data(d);
unsigned status = irqd_get_trigger_type(d);
@@ -327,8 +327,9 @@ static struct irq_chip gpio_irqchip = {
};
static void
-gpio_irq_handler(unsigned irq, struct irq_desc *desc)
+gpio_irq_handler(unsigned __irq, struct irq_desc *desc)
{
+ unsigned int irq = irq_desc_get_irq(desc);
struct davinci_gpio_regs __iomem *g;
u32 mask = 0xffff;
struct davinci_gpio_controller *d;
@@ -396,7 +397,7 @@ static int gpio_irq_type_unbanked(struct irq_data *data, unsigned trigger)
struct davinci_gpio_regs __iomem *g;
u32 mask;
- d = (struct davinci_gpio_controller *)data->handler_data;
+ d = (struct davinci_gpio_controller *)irq_data_get_irq_handler_data(data);
g = (struct davinci_gpio_regs __iomem *)d->regs;
mask = __gpio_mask(data->irq - d->gpio_irq);
@@ -578,15 +579,13 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev)
writel_relaxed(~0, &g->clr_falling);
writel_relaxed(~0, &g->clr_rising);
- /* set up all irqs in this bank */
- irq_set_chained_handler(bank_irq, gpio_irq_handler);
-
/*
* Each chip handles 32 gpios, and each irq bank consists of 16
* gpio irqs. Pass the irq bank's corresponding controller to
* the chained irq handler.
*/
- irq_set_handler_data(bank_irq, &chips[gpio / 32]);
+ irq_set_chained_handler_and_data(bank_irq, gpio_irq_handler,
+ &chips[gpio / 32]);
binten |= BIT(bank);
}