PM: core: introduce pm_ptr() macro

pcercuei · rafaeljw · commit 7a82e97a11b9 · 2020-07-27T13:52:36.000+02:00
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 &lt;paul@crapouillou.net&gt;
Reviewed-by: Ulf Hansson &lt;ulf.hansson@linaro.org&gt;
Signed-off-by: Rafael J. Wysocki &lt;rafael.j.wysocki@intel.com&gt;
diff --git 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
  *

Original file line number	Diff line number	Diff line change
`@@ -374,6 +374,12 @@ const struct dev_pm_ops name = { \`
`374`	`374`	`SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \`
`375`	`375`	`}`
`376`	`376`
	`377`	`+#ifdef CONFIG_PM`
	`378`	`+#define pm_ptr(_ptr) (_ptr)`
	`379`	`+#else`
	`380`	`+#define pm_ptr(_ptr) NULL`
	`381`	`+#endif`
	`382`	`+`
`377`	`383`	`/*`
`378`	`384`	`* PM_EVENT_ messages`
`379`	`385`	`*`