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| author | Sakari Ailus <[email protected]> | 2025-06-16 06:12:12 +0000 |
|---|---|---|
| committer | Rafael J. Wysocki <[email protected]> | 2025-06-18 19:41:08 +0000 |
| commit | cd4da713f99651e99fbce8ed6b6ec8f686c029a8 (patch) | |
| tree | c8a2bc9bd5890984124317d84596f88873b2f06b | |
| parent | PM: runtime: Mark last busy stamp in pm_request_autosuspend() (diff) | |
| download | kernel-cd4da713f99651e99fbce8ed6b6ec8f686c029a8.tar.gz kernel-cd4da713f99651e99fbce8ed6b6ec8f686c029a8.zip | |
Documentation: PM: *_autosuspend() functions update last busy time
Document that the *_autosuspend() variants of the Runtime PM functions
update the last busy timestamp.
Signed-off-by: Sakari Ailus <[email protected]>
Reviewed-by: Laurent Pinchart <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Rafael J. Wysocki <[email protected]>
| -rw-r--r-- | Documentation/power/runtime_pm.rst | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/power/runtime_pm.rst b/Documentation/power/runtime_pm.rst index 91bc93422262..c8dbdb8595e5 100644 --- a/Documentation/power/runtime_pm.rst +++ b/Documentation/power/runtime_pm.rst @@ -887,7 +887,8 @@ instead of the non-autosuspend counterparts:: Drivers may also continue to use the non-autosuspend helper functions; they will behave normally, which means sometimes taking the autosuspend delay into -account (see pm_runtime_idle). +account (see pm_runtime_idle). The autosuspend variants of the functions also +call pm_runtime_mark_last_busy(). Under some circumstances a driver or subsystem may want to prevent a device from autosuspending immediately, even though the usage counter is zero and the |