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gpio: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc

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Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc while we
already have a pointer to corresponding irq_desc.

Preparatory patch for the removal of the 'irq' argument from irq flow
handlers.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Jiang Liu
2015-06-04 12:13:15 +08:00
committed by Thomas Gleixner
parent c16edb8b3a
commit 476f8b4c94
10 changed files with 14 additions and 15 deletions
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2
drivers/gpio/gpio-vf610.c
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@@ -120,7 +120,7 @@ static int vf610_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
static void vf610_gpio_irq_handler(u32 irq, struct irq_desc *desc)
{
struct vf610_gpio_port *port = irq_get_handler_data(irq);
struct vf610_gpio_port *port = irq_desc_get_handler_data(desc);
struct irq_chip *chip = irq_desc_get_chip(desc);
int pin;
unsigned long irq_isfr;