From 80494cb11e8c75d5fcd90ba12f4a6f91f13e7ca0 Mon Sep 17 00:00:00 2001 From: Paul Barker Date: Thu, 13 Mar 2025 13:21:44 +0900 Subject: [PATCH] Documentation: PM: Clarify pm_runtime_resume_and_get() return value BugLink: https://bugs.launchpad.net/bugs/2102181 [ 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 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 Signed-off-by: Sasha Levin Signed-off-by: Koichiro Den Signed-off-by: Mehmet Basaran --- Documentation/power/runtime_pm.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/power/runtime_pm.rst b/Documentation/power/runtime_pm.rst index da99379071a4..f6a7cffdc129 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