diff options
Diffstat (limited to 'arch/arm/mach-pxa/include/mach/gpio.h')
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/gpio.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/include/mach/gpio.h b/arch/arm/mach-pxa/include/mach/gpio.h index 48ef925ffb3b..c4639502efca 100644 --- a/arch/arm/mach-pxa/include/mach/gpio.h +++ b/arch/arm/mach-pxa/include/mach/gpio.h @@ -103,7 +103,20 @@ #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, |