From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Wed, 26 Oct 2011 07:51:55 +0000 (+0200)
Subject: m68k: Fall back to __gpio_to_irq() for non-arch GPIOs
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=d85b40948654dee3be1d8e43b0fce511c1b42d78;p=~shefty%2Frdma-dev.git

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 b2046839f4b..00d0071de4c 100644
--- 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)