1#ifndef __ASM_ARM_CPUIDLE_H
2#define __ASM_ARM_CPUIDLE_H
3
4#ifdef CONFIG_CPU_IDLE
5extern int arm_cpuidle_simple_enter(struct cpuidle_device *dev,
6		struct cpuidle_driver *drv, int index);
7#else
8static 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,\
18	.flags                  = CPUIDLE_FLAG_TIME_VALID,\
19	.name                   = "WFI",\
20	.desc                   = "ARM WFI",\
21}
22
23/*
24 * in case power_specified == 1, give a default WFI power value needed
25 * by some governors
26 */
27#define ARM_CPUIDLE_WFI_STATE ARM_CPUIDLE_WFI_STATE_PWR(UINT_MAX)
28
29#endif
30