m68k: Fall back to __gpio_to_irq() for non-arch GPIOs

gpiolib provides __gpio_to_irq() to map gpiolib gpios to interrupts - hook
that up on m68k.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>

diff --git a/arch/m68k/include/asm/gpio.h b/arch/m68k/include/asm/gpio.h
index b204683..00d0071 100644 (file)
--- a/arch/m68k/include/asm/gpio.h
+++ b/arch/m68k/include/asm/gpio.h
@@ -225,7 +225,8 @@ static inline void gpio_set_value(unsigned gpio, int value)
 
 static inline int gpio_to_irq(unsigned gpio)
 {
-       return (gpio < MCFGPIO_IRQ_MAX) ? gpio + MCFGPIO_IRQ_VECBASE : -EINVAL;
+       return (gpio < MCFGPIO_IRQ_MAX) ? gpio + MCFGPIO_IRQ_VECBASE
+               : __gpio_to_irq(gpio);
 }
 
 static inline int irq_to_gpio(unsigned irq)