[PATCH 1/2] gpio: implement x86 gpio_to_irq convert function

[Alan Cox <alan@lxorguk.ukuu.org.uk>]

From: Alek Du <alek.du@intel.com>

We need this for x86 MID platforms where GPIO interrupts are used. No special
magic is needed so the default 1:1 behaviour will do nicely.

Signed-off-by: Alek Du <alek.du@intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
---

 arch/x86/include/asm/gpio.h |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)


diff --git a/arch/x86/include/asm/gpio.h b/arch/x86/include/asm/gpio.h
index 49dbfdf..91d915a 100644
--- a/arch/x86/include/asm/gpio.h
+++ b/arch/x86/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)