| Robert Lee | e168979 | 2012-03-20 15:22:42 -0500 | [diff] [blame] | 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,\ |
| 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 |