microblaze: support gpio_to_irq()

gpiolib returns -ENXIO if struct gpio_chip::to_irq isn't set, so it's
safe to always call.

Based on PPC patch
"powerpc/gpio: support gpio_to_irq()"
78331aded9

Signed-off-by: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Michal Simek 2010-08-17 11:49:24 +02:00
parent ac2e7c92ee
commit cec051671d

View File

@ -38,12 +38,9 @@ static inline int gpio_cansleep(unsigned int gpio)
return __gpio_cansleep(gpio);
}
/*
* Not implemented, yet.
*/
static inline int gpio_to_irq(unsigned int gpio)
{
return -ENOSYS;
return __gpio_to_irq(gpio);
}
static inline int irq_to_gpio(unsigned int irq)