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PM: runtime: Define pm_runtime_put cleanup helper

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Define a cleanup helper for use with __free to automatically drop the
device usage count when the pointer goes out of scope.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Link: https://patch.msgid.link/20250422230534.2295291-2-alex.williamson@redhat.com
This commit is contained in:
Alex Williamson
2025-04-22 17:05:31 -06:00
committed by Bjorn Helgaas
parent 0af2f6be1b
commit bfa4477751
1 changed files with 2 additions and 0 deletions
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include/linux/pm_runtime.h
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@@ -466,6 +466,8 @@ static inline int pm_runtime_put(struct device *dev)
return __pm_runtime_idle(dev, RPM_GET_PUT | RPM_ASYNC);
}
DEFINE_FREE(pm_runtime_put, struct device *, if (_T) pm_runtime_put(_T))
/**
* __pm_runtime_put_autosuspend - Drop device usage counter and queue autosuspend if 0.
* @dev: Target device.