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()"
78331ade

Signed-off-by: Michal Simek <monstr@monstr.eu>

parent ac2e7c92

arch/microblaze/include/asm/gpio.h

+1 −4

Original line number	Diff line number	Diff line
		@@ -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)