diff options
| author |   Vincent Guittot <vincent.guittot@linaro.org> | 2018-12-21 11:33:54 +0100 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-01-15 22:47:24 +0100 |
| commit | 8a62ffe2753a845272f4f2100b5fca0b6053ff6f (patch) | |
| tree | 31e2c8eaa9d740462dbe65845269b5db7dc9c027 /include/linux/pm_runtime.h | |
| parent | Linux 5.0-rc2 (diff) | |
| download | linux-dev-8a62ffe2753a845272f4f2100b5fca0b6053ff6f.tar.xz linux-dev-8a62ffe2753a845272f4f2100b5fca0b6053ff6f.zip | |
PM-runtime: Add new interface to get accounted time
Some drivers (like i915/drm) needs to get the accounted suspended time.
pm_runtime_suspended_time() will return the suspended accounted time
in ns unit.
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/linux/pm_runtime.h')
| -rw-r--r-- | include/linux/pm_runtime.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 54af4eef169f..a370006921c0 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -113,6 +113,8 @@ static inline bool pm_runtime_is_irq_safe(struct device *dev) return dev->power.irq_safe; } +extern u64 pm_runtime_suspended_time(struct device *dev); + #else /* !CONFIG_PM */ static inline bool queue_pm_work(struct work_struct *work) { return false; } |