diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-10-11 00:07:11 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-10-23 11:56:27 +0200 |
| commit | 57f076664c4debb2fff57e42098698f1993826f4 (patch) | |
| tree | 805eed8f6bedf9d9884f0f5ab5f7245814f39857 /drivers/thermal/thermal_core.c | |
| parent | thermal: core: Add and use thermal zone guard (diff) | |
| download | linux-57f076664c4debb2fff57e42098698f1993826f4.tar.xz linux-57f076664c4debb2fff57e42098698f1993826f4.zip | |
thermal: core: Add and use a reverse thermal zone guard
Add a guard for unlocking a locked thermal zone temporarily and use it
in thermal_zone_pm_prepare().
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/3344086.aeNJFYEL58@rjwysocki.net
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Diffstat (limited to 'drivers/thermal/thermal_core.c')
| -rw-r--r-- | drivers/thermal/thermal_core.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index d1038d33f17e..b8cd84a8c86c 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -1711,11 +1711,9 @@ static void thermal_zone_pm_prepare(struct thermal_zone_device *tz) * acquired the lock yet, so release it to let the function run * and wait util it has done the work. */ - mutex_unlock(&tz->lock); - - wait_for_completion(&tz->resume); - - mutex_lock(&tz->lock); + scoped_guard(thermal_zone_reverse, tz) { + wait_for_completion(&tz->resume); + } } tz->state |= TZ_STATE_FLAG_SUSPENDED; |