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PM: core: introduce pm_ptr() macro

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This macro is analogous to the infamous of_match_ptr(). If CONFIG_PM
is enabled, this macro will resolve to its argument, otherwise to NULL.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Paul Cercueil 2020-07-16 14:42:48 +02:00 • committed by Rafael J. Wysocki
parent 92ed301919
commit 7a82e97a11
1 changed files with 6 additions and 0 deletions
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6
include/linux/pm.h
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@ -374,6 +374,12 @@ const struct dev_pm_ops name = { \
SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
}
#ifdef CONFIG_PM
#define pm_ptr(_ptr) (_ptr)
#else
#define pm_ptr(_ptr) NULL
#endif
/*
* PM_EVENT_ messages
*