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authorPaul Barker <paul.barker.ct@bp.renesas.com>2024-12-03 14:37:29 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-12-19 18:13:15 +0100
commit0749982c51daf045b227934c833b519cd759f5bb (patch)
tree6cda9127399c10d9d88e1cecbcaf0b177db4f26b
parentf5e71ae56cb7e383d991e335d7d2a3e447578be5 (diff)
Documentation: PM: Clarify pm_runtime_resume_and_get() return value
[ Upstream commit ccb84dc8f4a02e7d30ffd388522996546b4d00e1 ] Update the documentation to match the behaviour of the code. pm_runtime_resume_and_get() always returns 0 on success, even if __pm_runtime_resume() returns 1. Fixes: 2c412337cfe6 ("PM: runtime: Add documentation for pm_runtime_resume_and_get()") Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com> Link: https://patch.msgid.link/20241203143729.478-1-paul.barker.ct@bp.renesas.com [ rjw: Subject and changelog edits, adjusted new comment formatting ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--Documentation/power/runtime_pm.rst4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/power/runtime_pm.rst b/Documentation/power/runtime_pm.rst
index 53d1996460ab..12f429359a82 100644
--- a/Documentation/power/runtime_pm.rst
+++ b/Documentation/power/runtime_pm.rst
@@ -347,7 +347,9 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h:
`int pm_runtime_resume_and_get(struct device *dev);`
- run pm_runtime_resume(dev) and if successful, increment the device's
- usage counter; return the result of pm_runtime_resume
+ usage counter; returns 0 on success (whether or not the device's
+ runtime PM status was already 'active') or the error code from
+ pm_runtime_resume() on failure.
`int pm_request_idle(struct device *dev);`
- submit a request to execute the subsystem-level idle callback for the