diff options
Diffstat (limited to 'drivers/cpuidle')
| -rw-r--r-- | drivers/cpuidle/governors/menu.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c index 7b0971d97cc3..be0bae0b41e9 100644 --- a/drivers/cpuidle/governors/menu.c +++ b/drivers/cpuidle/governors/menu.c @@ -294,8 +294,6 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) data->needs_update = 0; } - data->last_state_idx = CPUIDLE_DRIVER_STATE_START - 1; - /* Special case when user has set very strict latency requirement */ if (unlikely(latency_req == 0)) return 0; @@ -326,14 +324,19 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) if (latency_req > interactivity_req) latency_req = interactivity_req; - /* - * We want to default to C1 (hlt), not to busy polling - * unless the timer is happening really really soon. - */ - if (interactivity_req > 20 && - !drv->states[CPUIDLE_DRIVER_STATE_START].disabled && - dev->states_usage[CPUIDLE_DRIVER_STATE_START].disable == 0) + if (CPUIDLE_DRIVER_STATE_START > 0) { + data->last_state_idx = CPUIDLE_DRIVER_STATE_START - 1; + /* + * We want to default to C1 (hlt), not to busy polling + * unless the timer is happening really really soon. + */ + if (interactivity_req > 20 && + !drv->states[CPUIDLE_DRIVER_STATE_START].disabled && + dev->states_usage[CPUIDLE_DRIVER_STATE_START].disable == 0) + data->last_state_idx = CPUIDLE_DRIVER_STATE_START; + } else { data->last_state_idx = CPUIDLE_DRIVER_STATE_START; + } /* * Find the idle state with the lowest power while satisfying |