linux-kernel - [PATCH 01/10] regulator: consumer: Supply missing prototypes for 3 core functions

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Date:   Thu, 25 Jun 2020 17:36:05 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     lgirdwood@...il.com, broonie@...nel.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Lee Jones <lee.jones@...aro.org>
Subject: [PATCH 01/10] regulator: consumer: Supply missing prototypes for 3 core functions

regulator_suspend_enable(), regulator_suspend_disable() and
regulator_set_suspend_voltage() are all exported members of the
API, but are all missing prototypes.

Fixes the following W=1 warning(s):

 drivers/regulator/core.c:3805:5: warning: no previous prototype for ‘regulator_suspend_enable’ [-Wmissing-prototypes]
 3805 | int regulator_suspend_enable(struct regulator_dev *rdev,
 | ^~~~~~~~~~~~~~~~~~~~~~~~
 drivers/regulator/core.c:3812:5: warning: no previous prototype for ‘regulator_suspend_disable’ [-Wmissing-prototypes]
 3812 | int regulator_suspend_disable(struct regulator_dev *rdev,
 | ^~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/regulator/core.c:3851:5: warning: no previous prototype for ‘regulator_set_suspend_voltage’ [-Wmissing-prototypes]
 3851 | int regulator_set_suspend_voltage(struct regulator *regulator, int min_uV,
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 include/linux/regulator/consumer.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index 6a92fd3105a31..2024944fd2f78 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -32,10 +32,12 @@
 #define __LINUX_REGULATOR_CONSUMER_H_
 
 #include <linux/err.h>
+#include <linux/suspend.h>
 
 struct device;
 struct notifier_block;
 struct regmap;
+struct regulator_dev;
 
 /*
  * Regulator operating modes.
@@ -277,6 +279,14 @@ int regulator_unregister_notifier(struct regulator *regulator,
 void devm_regulator_unregister_notifier(struct regulator *regulator,
 					struct notifier_block *nb);
 
+/* regulator suspend */
+int regulator_suspend_enable(struct regulator_dev *rdev,
+			     suspend_state_t state);
+int regulator_suspend_disable(struct regulator_dev *rdev,
+			      suspend_state_t state);
+int regulator_set_suspend_voltage(struct regulator *regulator, int min_uV,
+				  int max_uV, suspend_state_t state);
+
 /* driver data - core doesn't touch */
 void *regulator_get_drvdata(struct regulator *regulator);
 void regulator_set_drvdata(struct regulator *regulator, void *data);
-- 
2.25.1