The ARM version of asm/gpio.h basically just contains the same definitions as the gpiolib version, with the exception of ARCH_NR_GPIOS. This adds the option for overriding the constant through Kconfig to the architecture-independent header, so we can remove the ARM specific file later.
Unified · Split
| @@ -26,8 +26,12 @@ · 25 unmodified lines | |||
| 26 | */ | 26 | */ |
| 27 | 27 | ||
| 28 | #ifndef ARCH_NR_GPIOS | 28 | #ifndef ARCH_NR_GPIOS |
| 29 | #if defined(CONFIG_ARCH_NR_GPIO) && CONFIG_ARCH_NR_GPIO > 0 | ||
| 30 | #define ARCH_NR_GPIOS CONFIG_ARCH_NR_GPIO | ||
| 31 | #else | ||
| 29 | #define ARCH_NR_GPIOS 512 | 32 | #define ARCH_NR_GPIOS 512 |
| 30 | #endif | 33 | #endif |
| 34 | #endif | ||
| 31 | 35 | ||
| 32 | /* | 36 | /* |
| 33 | * "valid" GPIO numbers are nonnegative and may be passed to | 37 | * "valid" GPIO numbers are nonnegative and may be passed to |