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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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7
arch/arm/include/asm/omap_gpio.h
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@ -49,4 +49,11 @@ extern const struct gpio_bank *const omap_gpio_bank;
#define METHOD_GPIO_24XX 4
/**
* Check if gpio is valid.
*
* @param gpio GPIO number
* @return 1 if ok, 0 on error
*/
int gpio_is_valid(int gpio);
#endif /* _GPIO_H_ */