Merge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm

[pandora-kernel.git] / arch / arm / mach-pxa / include / mach / gpio.h

diff --git a/arch/arm/mach-pxa/include/mach/gpio.h b/arch/arm/mach-pxa/include/mach/gpio.h
index b024a8b..c463950 100644 (file)
--- a/arch/arm/mach-pxa/include/mach/gpio.h
+++ b/arch/arm/mach-pxa/include/mach/gpio.h
@@ -99,11 +99,24 @@
 #define GAFR(x)                GPIO_REG(0x54 + (((x) & 0x70) >> 2))
 
 
-#define NR_BUILTIN_GPIO 128
+#define NR_BUILTIN_GPIO                PXA_GPIO_IRQ_NUM
 
 #define gpio_to_bank(gpio)     ((gpio) >> 5)
 #define gpio_to_irq(gpio)      IRQ_GPIO(gpio)
-#define irq_to_gpio(irq)       IRQ_TO_GPIO(irq)
+
+static inline int irq_to_gpio(unsigned int irq)
+{
+       int gpio;
+
+       if (irq == IRQ_GPIO0 || irq == IRQ_GPIO1)
+               return irq - IRQ_GPIO0;
+
+       gpio = irq - PXA_GPIO_IRQ_BASE;
+       if (gpio >= 2 && gpio < NR_BUILTIN_GPIO)
+               return gpio;
+
+       return -1;
+}
 
 #ifdef CONFIG_CPU_PXA26x
 /* GPIO86/87/88/89 on PXA26x have their direction bits in GPDR2 inverted,