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()"
78331aded913d76c7ff996a1a0747d54b057460b
Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/include/asm/gpio.h b/arch/microblaze/include/asm/gpio.h
index 2345ac3..2b2c18b 100644
--- a/arch/microblaze/include/asm/gpio.h
+++ b/arch/microblaze/include/asm/gpio.h
@@ -38,12 +38,9 @@
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)