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Documentation: PM: Clarify pm_runtime_resume_and_get() return value

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[ Upstream commit ccb84dc8f4 ]

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: 2c412337cf ("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>
This commit is contained in:
Paul Barker
2024-12-03 14:37:29 +00:00
committed by Greg Kroah-Hartman
parent f5e71ae56c
commit 0749982c51
1 changed files with 3 additions and 1 deletions
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Documentation/power/runtime_pm.rst
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@@ -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