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gpio: add gpio_is_valid() to omap_gpio API

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Add gpio_is_valid() to omap_gpio API

Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
This commit is contained in:
Nikita Kiryanov
2012-11-27 22:40:57 +00:00
committed by Tom Rini
parent abcbe2eb00
commit dcee1ab320
2 changed files with 10 additions and 7 deletions
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10
drivers/gpio/omap_gpio.c
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@@ -53,18 +53,14 @@ 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;
if (gpio < 192)
return 0;
return -1;
return (gpio >= 0) && (gpio < 192);
}
static int check_gpio(int gpio)
{
if (gpio_valid(gpio) < 0) {
if (!gpio_is_valid(gpio)) {
printf("ERROR : check_gpio: invalid GPIO %d\n", gpio);
return -1;
}