diff options
Diffstat (limited to 'drivers/cpuidle/cpuidle.c')
| -rw-r--r-- | drivers/cpuidle/cpuidle.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index c73207abb5a4..62810ff3b00f 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -97,7 +97,23 @@ static int find_deepest_state(struct cpuidle_driver *drv, return ret; } -#ifdef CONFIG_SUSPEND +/** + * cpuidle_use_deepest_state - Set/clear governor override flag. + * @enable: New value of the flag. + * + * Set/unset the current CPU to use the deepest idle state (override governors + * going forward if set). + */ +void cpuidle_use_deepest_state(bool enable) +{ + struct cpuidle_device *dev; + + preempt_disable(); + dev = cpuidle_get_device(); + dev->use_deepest_state = enable; + preempt_enable(); +} + /** * cpuidle_find_deepest_state - Find the deepest available idle state. * @drv: cpuidle driver for the given CPU. @@ -109,6 +125,7 @@ int cpuidle_find_deepest_state(struct cpuidle_driver *drv, return find_deepest_state(drv, dev, UINT_MAX, 0, false); } +#ifdef CONFIG_SUSPEND static void enter_freeze_proper(struct cpuidle_driver *drv, struct cpuidle_device *dev, int index) { |