[RFC PATCH 2/3] PM: Make *_DEV_PM_OPS macros use __maybe_unused
flat view
STALE2418d
From: Paul Cercueil <paul@crapouillou.net>
Date: 2020-02-11 16:03:52
Also in:
linux-mmc, lkml
Subsystem:
hibernation (aka software suspend, aka swsusp), power management core, suspend to ram, the rest · Maintainers:
"Rafael J. Wysocki", Linus Torvalds
This way, when the dev_pm_ops instance is not referenced anywhere, it will simply be dropped by the compiler without a warning. Signed-off-by: Paul Cercueil <paul@crapouillou.net> --- include/linux/pm.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 1e183d78a1ae..892e4fd198c0 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h@@ -351,7 +351,7 @@ struct dev_pm_ops { * to RAM and hibernation. */ #define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \ -const struct dev_pm_ops name = { \ +const struct dev_pm_ops __maybe_unused name = { \ SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \ }
@@ -369,7 +369,7 @@ const struct dev_pm_ops name = { \ * .runtime_resume(), respectively (and analogously for hibernation). */ #define UNIVERSAL_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \ -const struct dev_pm_ops name = { \ +const struct dev_pm_ops __maybe_unused name = { \ SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \ SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \ }
--
2.25.0