diff options
Diffstat (limited to 'arch/arm/plat-omap/include/mach/gpio.h')
| -rw-r--r-- | arch/arm/plat-omap/include/mach/gpio.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/arm/plat-omap/include/mach/gpio.h b/arch/arm/plat-omap/include/mach/gpio.h index 98e9008b7e9..5f996f350c8 100644 --- a/arch/arm/plat-omap/include/mach/gpio.h +++ b/arch/arm/plat-omap/include/mach/gpio.h @@ -109,16 +109,24 @@ static inline int gpio_cansleep(unsigned gpio) static inline int gpio_to_irq(unsigned gpio) { - if (gpio < (OMAP_MAX_GPIO_LINES + 16)) - return OMAP_GPIO_IRQ(gpio); - return -EINVAL; + return __gpio_to_irq(gpio); } static inline int irq_to_gpio(unsigned irq) { + int tmp; + + /* omap1 SOC mpuio */ if (cpu_class_is_omap1() && (irq < (IH_MPUIO_BASE + 16))) return (irq - IH_MPUIO_BASE) + OMAP_MAX_GPIO_LINES; - return irq - IH_GPIO_BASE; + + /* SOC gpio */ + tmp = irq - IH_GPIO_BASE; + if (tmp < OMAP_MAX_GPIO_LINES) + return tmp; + + /* we don't supply reverse mappings for non-SOC gpios */ + return -EIO; } #endif |