Add gpio_is_valid() to omap_gpio API
Signed-off-by: Nikita Kiryanov nikita@compulab.co.il --- arch/arm/include/asm/omap_gpio.h | 8 ++++++++ drivers/gpio/omap_gpio.c | 4 ++-- 2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/arch/arm/include/asm/omap_gpio.h b/arch/arm/include/asm/omap_gpio.h index 516cc42..be94770 100644 --- a/arch/arm/include/asm/omap_gpio.h +++ b/arch/arm/include/asm/omap_gpio.h @@ -49,4 +49,12 @@ extern const struct gpio_bank *const omap_gpio_bank;
#define METHOD_GPIO_24XX 4
+/** + * Check if gpio is valid. + * + * @param gpio GPIO number + * @return 0 if ok, -1 on error + */ +int gpio_is_valid(int gpio); + #endif /* _GPIO_H_ */ diff --git a/drivers/gpio/omap_gpio.c b/drivers/gpio/omap_gpio.c index fc89f2a..6e5b5f7 100644 --- a/drivers/gpio/omap_gpio.c +++ b/drivers/gpio/omap_gpio.c @@ -53,7 +53,7 @@ static inline int get_gpio_index(int gpio) return gpio & 0x1f; }
-static inline int gpio_valid(int gpio) +int gpio_is_valid(int gpio) { if (gpio < 0) return -1; @@ -64,7 +64,7 @@ static inline int gpio_valid(int gpio)
static int check_gpio(int gpio) { - if (gpio_valid(gpio) < 0) { + if (gpio_is_valid(gpio) < 0) { printf("ERROR : check_gpio: invalid GPIO %d\n", gpio); return -1; }