diff options
| -rw-r--r-- | arch/arm/Kconfig | 9 | ||||
| -rw-r--r-- | arch/arm/include/asm/gpio.h | 4 |
2 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index e063d34..003b7d0 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1565,6 +1565,15 @@ config LOCAL_TIMERS accounting to be spread across the timer interval, preventing a "thundering herd" at every timer tick. +config ARCH_NR_GPIO + int + default 1024 if ARCH_TEGRA + default 0 + help + Maximum number of GPIOs in the system. + + If unsure, leave the default value. + source kernel/Kconfig.preempt config HZ diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h index 11ad0bf..7151753 100644 --- a/arch/arm/include/asm/gpio.h +++ b/arch/arm/include/asm/gpio.h @@ -1,6 +1,10 @@ #ifndef _ARCH_ARM_GPIO_H #define _ARCH_ARM_GPIO_H +#if CONFIG_ARCH_NR_GPIO > 0 +#define ARCH_NR_GPIO CONFIG_ARCH_NR_GPIO +#endif + /* not all ARM platforms necessarily support this API ... */ #include <mach/gpio.h> |