linux-kernel - [PATCH 2/5] regulator: add dummy of_find_regulator_by

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Date:   Tue,  1 May 2018 21:00:11 +0800
From:   changbin.du@...el.com
To:     yamada.masahiro@...ionext.com, michal.lkml@...kovi.net,
        tglx@...utronix.de, mingo@...hat.com, akpm@...ux-foundation.org
Cc:     x86@...nel.org, lgirdwood@...il.com, broonie@...nel.org,
        arnd@...db.de, linux-kbuild@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        Changbin Du <changbin.du@...el.com>
Subject: [PATCH 2/5] regulator: add dummy of_find_regulator_by_node

From: Changbin Du <changbin.du@...el.com>

If device tree is not enabled, of_find_regulator_by_node() should have
a dummy function since the function call is still there.

Signed-off-by: Changbin Du <changbin.du@...el.com>
---
 drivers/regulator/internal.h | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/internal.h b/drivers/regulator/internal.h
index abfd56e..24fde1e 100644
--- a/drivers/regulator/internal.h
+++ b/drivers/regulator/internal.h
@@ -56,14 +56,19 @@ static inline struct regulator_dev *dev_to_rdev(struct device *dev)
 	return container_of(dev, struct regulator_dev, dev);
 }
 
-struct regulator_dev *of_find_regulator_by_node(struct device_node *np);
-
 #ifdef CONFIG_OF
+struct regulator_dev *of_find_regulator_by_node(struct device_node *np);
 struct regulator_init_data *regulator_of_get_init_data(struct device *dev,
 			         const struct regulator_desc *desc,
 				 struct regulator_config *config,
 				 struct device_node **node);
 #else
+static inline struct regulator_dev *
+of_find_regulator_by_node(struct device_node *np)
+{
+	return NULL;
+}
+
 static inline struct regulator_init_data *
 regulator_of_get_init_data(struct device *dev,
 			   const struct regulator_desc *desc,
-- 
2.7.4