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()" 78331ad Signed-off-by: Michal Simek <[email protected]>
chewitt · Oct 21, 2010 · cec0516 · cec0516
1 parent ac2e7c9
commit cec0516
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/arch/microblaze/include/asm/gpio.h b/arch/microblaze/include/asm/gpio.h
@@ -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)