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authorIngo Molnar <mingo@elte.hu>2011-04-21 11:39:21 +0200
committerIngo Molnar <mingo@elte.hu>2011-04-21 11:39:28 +0200
commit42ac9e87fdd89b77fa2ca0a5226023c1c2d83226 (patch)
treedfdb1b720347a40f24a89a3e9c2727ae26ad5f01 /arch/arm/mach-pxa/include/mach/gpio.h
parent057f3fadb347e9c51b07e1b277bbdda79f976768 (diff)
parentf0e615c3cb72b42191b558c130409335812621d8 (diff)
downloadtalos-op-linux-42ac9e87fdd89b77fa2ca0a5226023c1c2d83226.tar.gz
talos-op-linux-42ac9e87fdd89b77fa2ca0a5226023c1c2d83226.zip
Merge commit 'v2.6.39-rc4' into sched/core
Merge reason: Pick up upstream fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mach-pxa/include/mach/gpio.h')
-rw-r--r--arch/arm/mach-pxa/include/mach/gpio.h17
1 files changed, 15 insertions, 2 deletions
diff --git a/arch/arm/mach-pxa/include/mach/gpio.h b/arch/arm/mach-pxa/include/mach/gpio.h
index b024a8b37439..c4639502efca 100644
--- 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,
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