diff mbox series

[v3,2/3] PM: Make *_DEV_PM_OPS macros use __maybe_unused

Message ID 20200716124250.9829-2-paul@crapouillou.net (mailing list archive)
State New, archived
Headers show
Series [v3,1/3] PM: introduce pm_ptr() macro | expand

Commit Message

Paul Cercueil July 16, 2020, 12:42 p.m. UTC 
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>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
---

Notes:
    v2: No change
    v3: Rebase on 5.8-rc5 and add Ulf's Reviewed-by

 include/linux/pm.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/include/linux/pm.h b/include/linux/pm.h
index 1f227c518db3..a30a4b54df52 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) \
 }