[linux.git] / arch / arm / include / asm / cpuidle.h

#ifndef __ASM_ARM_CPUIDLE_H
#define __ASM_ARM_CPUIDLE_H

#ifdef CONFIG_CPU_IDLE
extern int arm_cpuidle_simple_enter(struct cpuidle_device *dev,
		struct cpuidle_driver *drv, int index);
#else
static inline int arm_cpuidle_simple_enter(struct cpuidle_device *dev,
		struct cpuidle_driver *drv, int index) { return -ENODEV; }
#endif

/* Common ARM WFI state */
#define ARM_CPUIDLE_WFI_STATE_PWR(p) {\
	.enter                  = arm_cpuidle_simple_enter,\
	.exit_latency           = 1,\
	.target_residency       = 1,\
	.power_usage		= p,\
	.name                   = "WFI",\
	.desc                   = "ARM WFI",\
}

/*
 * in case power_specified == 1, give a default WFI power value needed
 * by some governors
 */
#define ARM_CPUIDLE_WFI_STATE ARM_CPUIDLE_WFI_STATE_PWR(UINT_MAX)

#endif
Commit	Line	Data
e1689795 RL	1	#ifndef __ASM_ARM_CPUIDLE_H
	2	#define __ASM_ARM_CPUIDLE_H
	3
	4	#ifdef CONFIG_CPU_IDLE
	5	extern int arm_cpuidle_simple_enter(struct cpuidle_device *dev,
	6	struct cpuidle_driver *drv, int index);
	7	#else
	8	static inline int arm_cpuidle_simple_enter(struct cpuidle_device *dev,
	9	struct cpuidle_driver *drv, int index) { return -ENODEV; }
	10	#endif
	11
	12	/* Common ARM WFI state */
	13	#define ARM_CPUIDLE_WFI_STATE_PWR(p) {\
	14	.enter = arm_cpuidle_simple_enter,\
	15	.exit_latency = 1,\
	16	.target_residency = 1,\
	17	.power_usage = p,\
e1689795 RL	18	.name = "WFI",\
	19	.desc = "ARM WFI",\
	20	}
	21
	22	/*
	23	* in case power_specified == 1, give a default WFI power value needed
	24	* by some governors
	25	*/
	26	#define ARM_CPUIDLE_WFI_STATE ARM_CPUIDLE_WFI_STATE_PWR(UINT_MAX)
	27
	28	#endif