diff options
| -rw-r--r-- | drivers/cpuidle/cpuidle-arm.c | 26 | ||||
| -rw-r--r-- | include/linux/cpuidle.h | 18 |
2 files changed, 24 insertions, 20 deletions
diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c index e342565e8715..4ba3d3fe142f 100644 --- a/drivers/cpuidle/cpuidle-arm.c +++ b/drivers/cpuidle/cpuidle-arm.c @@ -36,26 +36,12 @@ static int arm_enter_idle_state(struct cpuidle_device *dev, struct cpuidle_driver *drv, int idx) { - int ret; - - if (!idx) { - cpu_do_idle(); - return idx; - } - - ret = cpu_pm_enter(); - if (!ret) { - /* - * Pass idle state index to cpu_suspend which in turn will - * call the CPU ops suspend protocol with idle index as a - * parameter. - */ - ret = arm_cpuidle_suspend(idx); - - cpu_pm_exit(); - } - - return ret ? -1 : idx; + /* + * Pass idle state index to arm_cpuidle_suspend which in turn + * will call the CPU ops suspend protocol with idle index as a + * parameter. + */ + return CPU_PM_CPU_IDLE_ENTER(arm_cpuidle_suspend, idx); } static struct cpuidle_driver arm_idle_driver = { diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index 07b83d32f66c..bb31373c3478 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -252,4 +252,22 @@ static inline int cpuidle_register_governor(struct cpuidle_governor *gov) #define CPUIDLE_DRIVER_STATE_START 0 #endif +#define CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, idx) \ +({ \ + int __ret; \ + \ + if (!idx) { \ + cpu_do_idle(); \ + return idx; \ + } \ + \ + __ret = cpu_pm_enter(); \ + if (!__ret) { \ + __ret = low_level_idle_enter(idx); \ + cpu_pm_exit(); \ + } \ + \ + __ret ? -1 : idx; \ +}) + #endif /* _LINUX_CPUIDLE_H */ |