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| author | Tri Vo <trong@android.com> | 2019-08-06 18:48:46 -0700 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-08-21 00:20:40 +0200 |
| commit | c8377adfa78103be5380200eb9dab764d7ca890e (patch) | |
| tree | 8d880a753b6a4ba98521dc5477229e18925195f5 /drivers/base/power/power.h | |
| parent | 2434aea58e652a9fe114181ac90aa60e2f2e1b25 (diff) | |
| download | lwn-c8377adfa78103be5380200eb9dab764d7ca890e.tar.gz lwn-c8377adfa78103be5380200eb9dab764d7ca890e.zip | |
PM / wakeup: Show wakeup sources stats in sysfs
Add an ID and a device pointer to 'struct wakeup_source'. Use them to to
expose wakeup sources statistics in sysfs under
/sys/class/wakeup/wakeup<ID>/*.
Co-developed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Co-developed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Tri Vo <trong@android.com>
Tested-by: Kalesh Singh <kaleshsingh@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/base/power/power.h')
| -rw-r--r-- | drivers/base/power/power.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h index ec33fbdb919b..57b1d1d88c8e 100644 --- a/drivers/base/power/power.h +++ b/drivers/base/power/power.h @@ -149,3 +149,12 @@ static inline void device_pm_init(struct device *dev) device_pm_sleep_init(dev); pm_runtime_init(dev); } + +#ifdef CONFIG_PM_SLEEP + +/* drivers/base/power/wakeup_stats.c */ +extern int wakeup_source_sysfs_add(struct device *parent, + struct wakeup_source *ws); +extern void wakeup_source_sysfs_remove(struct wakeup_source *ws); + +#endif /* CONFIG_PM_SLEEP */ |