CONFIG_ARCH_NR_GPIO    5 arch/arm/include/asm/gpio.h #if CONFIG_ARCH_NR_GPIO > 0
CONFIG_ARCH_NR_GPIO    6 arch/arm/include/asm/gpio.h #define ARCH_NR_GPIOS CONFIG_ARCH_NR_GPIO
CONFIG_ARCH_NR_GPIO   30 include/asm-generic/gpio.h #if defined(CONFIG_ARCH_NR_GPIO) && CONFIG_ARCH_NR_GPIO > 0
CONFIG_ARCH_NR_GPIO   31 include/asm-generic/gpio.h #define ARCH_NR_GPIOS CONFIG_ARCH_NR_GPIO