powerpc/gpio: support gpio_to_irq()

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

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Peter Korsgaard 2009-12-01 21:48:13 +01:00 committed by Kumar Gala
parent 1cad2c8741
commit 78331aded9

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)