diff options
Diffstat (limited to 'kernel/sched/idle.c')
| -rw-r--r-- | kernel/sched/idle.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c index 5d9f549fffa8..594275ed2620 100644 --- a/kernel/sched/idle.c +++ b/kernel/sched/idle.c @@ -76,12 +76,13 @@ void __weak arch_cpu_idle(void) local_irq_enable(); } -static void default_idle_call(void) +/** + * default_idle_call - Default CPU idle routine. + * + * To use when the cpuidle framework cannot be used. + */ +void default_idle_call(void) { - /* - * We can't use the cpuidle framework, let's use the default idle - * routine. - */ if (current_clr_polling_and_test()) local_irq_enable(); else @@ -91,8 +92,6 @@ static void default_idle_call(void) static int call_cpuidle(struct cpuidle_driver *drv, struct cpuidle_device *dev, int next_state) { - int entered_state; - /* Fall back to the default arch idle method on errors. */ if (next_state < 0) { default_idle_call(); @@ -114,12 +113,7 @@ static int call_cpuidle(struct cpuidle_driver *drv, struct cpuidle_device *dev, * This function will block until an interrupt occurs and will take * care of re-enabling the local interrupts */ - entered_state = cpuidle_enter(drv, dev, next_state); - - if (entered_state == -EBUSY) - default_idle_call(); - - return entered_state; + return cpuidle_enter(drv, dev, next_state); } /** |