linux-kernel - [PATCH v2 1/3] PM: introduce pm

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Date:   Mon, 13 Apr 2020 14:32:05 +0200
From:   Paul Cercueil <paul@...pouillou.net>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>
Cc:     od@...c.me, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH v2 1/3] PM: introduce pm_ptr() macro

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@...pouillou.net>
---

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