[deliverable/linux.git] / include / asm-generic / gpio.h

#ifndef _ASM_GENERIC_GPIO_H
#define _ASM_GENERIC_GPIO_H

/* platforms that don't directly support access to GPIOs through I2C, SPI,
 * or other blocking infrastructure can use these wrappers.
 */

static inline int gpio_cansleep(unsigned gpio)
{
	return 0;
}

static inline int gpio_get_value_cansleep(unsigned gpio)
{
	might_sleep();
	return gpio_get_value(gpio);
}

static inline void gpio_set_value_cansleep(unsigned gpio, int value)
{
	might_sleep();
	gpio_set_value(gpio, value);
}

#endif /* _ASM_GENERIC_GPIO_H */
Commit	Line	Data
4c20386c DB	1	#ifndef _ASM_GENERIC_GPIO_H
	2	#define _ASM_GENERIC_GPIO_H
	3
	4	/* platforms that don't directly support access to GPIOs through I2C, SPI,
	5	* or other blocking infrastructure can use these wrappers.
	6	*/
	7
	8	static inline int gpio_cansleep(unsigned gpio)
	9	{
	10	return 0;
	11	}
	12
	13	static inline int gpio_get_value_cansleep(unsigned gpio)
	14	{
	15	might_sleep();
	16	return gpio_get_value(gpio);
	17	}
	18
	19	static inline void gpio_set_value_cansleep(unsigned gpio, int value)
	20	{
	21	might_sleep();
	22	gpio_set_value(gpio, value);
	23	}
	24
	25	#endif /* _ASM_GENERIC_GPIO_H */