diff options
Diffstat (limited to 'drivers/cpuidle/cpuidle.c')
-rw-r--r-- | drivers/cpuidle/cpuidle.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 17a6dc0e2..f996efc56 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -79,9 +79,9 @@ static int find_deepest_state(struct cpuidle_driver *drv, bool freeze) { unsigned int latency_req = 0; - int i, ret = -ENXIO; + int i, ret = 0; - for (i = 0; i < drv->state_count; i++) { + for (i = 1; i < drv->state_count; i++) { struct cpuidle_state *s = &drv->states[i]; struct cpuidle_state_usage *su = &dev->states_usage[i]; @@ -153,7 +153,7 @@ int cpuidle_enter_freeze(struct cpuidle_driver *drv, struct cpuidle_device *dev) * be frozen safely. */ index = find_deepest_state(drv, dev, UINT_MAX, 0, true); - if (index >= 0) + if (index > 0) enter_freeze_proper(drv, dev, index); return index; @@ -243,7 +243,7 @@ int cpuidle_enter_state(struct cpuidle_device *dev, struct cpuidle_driver *drv, * @drv: the cpuidle driver * @dev: the cpuidle device * - * Returns the index of the idle state. + * Returns the index of the idle state. The return value must not be negative. */ int cpuidle_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) { |