[PATCH v2 1/3] PM: introduce pm_ptr() macro

From: Paul Cercueil
Date: Mon Apr 13 2020 - 08:32:16 EST


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@xxxxxxxxxxxxxxx>
---

Notes:
v2: Remove pm_sleep_ptr() macro

include/linux/pm.h | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/include/linux/pm.h b/include/linux/pm.h
index e057d1fa2469..1c0eec06905d 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -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
*
--
2.25.1