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gpio/davinci: Avoid redundant lookup of irq_data

Browse source 
It's pretty silly to do

     void *cd = irq_get_chip_data(irq_data->irq);

because that results in cd = irq_data->chip_data, but goes through a
redundant lookup of the irq_data. Use irq_data directly.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: linux-gpio@vger.kernel.org
This commit is contained in:
Thomas Gleixner 2015-07-13 01:18:56 +02:00
commit 1765d671b1
1 changed files with 4 additions and 4 deletions
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8
drivers/gpio/gpio-davinci.c
View file

@ -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);