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Subject[patch 19/19] gpio/davinci: Avoid redundant lookup of irq_data
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
---
drivers/gpio/gpio-davinci.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)



Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
drivers/gpio/gpio-davinci.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

Index: tip/drivers/gpio/gpio-davinci.c
===================================================================
--- tip.orig/drivers/gpio/gpio-davinci.c
+++ tip/drivers/gpio/gpio-davinci.c
@@ -65,11 +65,11 @@ static struct davinci_gpio_regs __iomem
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_chip_data(d);

return g;
}
@@ -287,7 +287,7 @@ static int davinci_gpio_probe(struct pla

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_

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);




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