diff options
| author |   Ulf Hansson <ulf.hansson@linaro.org> | 2016-04-26 08:47:17 +0200 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-04-26 22:27:07 +0200 |
| commit | 624c8df7d2823ec0df9609025480309322886ed3 (patch) | |
| tree | e51ec6c10a04fd8ed8fd13ea74eff41cb2e57253 /drivers/base | |
| parent | PM / Domains: Remove ->save|restore_state() callbacks (diff) | |
| download | linux-dev-624c8df7d2823ec0df9609025480309322886ed3.tar.xz linux-dev-624c8df7d2823ec0df9609025480309322886ed3.zip | |
PM / Domains: Remove redundant pm_runtime_get|put*() in pm_genpd_prepare()
The PM core increases and decreases the runtime PM usage count in the
system PM prepare phase. This makes some of the pm_runtime_get|put*()
calls in pm_genpd_prepare() redundant, so let's remove them.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/power/domain.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 4ce4ce0a2730..60a357386705 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -730,14 +730,11 @@ static int pm_genpd_prepare(struct device *dev) * at this point and a system wakeup event should be reported if it's * set up to wake up the system from sleep states. */ - pm_runtime_get_noresume(dev); if (pm_runtime_barrier(dev) && device_may_wakeup(dev)) pm_wakeup_event(dev, 0); - if (pm_wakeup_pending()) { - pm_runtime_put(dev); + if (pm_wakeup_pending()) return -EBUSY; - } if (resume_needed(dev, genpd)) pm_runtime_resume(dev); @@ -751,10 +748,8 @@ static int pm_genpd_prepare(struct device *dev) mutex_unlock(&genpd->lock); - if (genpd->suspend_power_off) { - pm_runtime_put_noidle(dev); + if (genpd->suspend_power_off) return 0; - } /* * The PM domain must be in the GPD_STATE_ACTIVE state at this point, @@ -776,7 +771,6 @@ static int pm_genpd_prepare(struct device *dev) pm_runtime_enable(dev); } - pm_runtime_put(dev); return ret; } |