regulator: core: remove unused rdev_get_supply()

This is a remnant of commit 70a7fb80e85a ("regulator: core: Fix nested
locking of supplies").

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 4fb475a..defde91 100644 (file)
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -143,14 +143,6 @@ static bool regulator_ops_is_valid(struct regulator_dev *rdev, int ops)
        return false;
 }
 
-static inline struct regulator_dev *rdev_get_supply(struct regulator_dev *rdev)
-{
-       if (rdev && rdev->supply)
-               return rdev->supply->rdev;
-
-       return NULL;
-}
-
 /**
  * regulator_lock_nested - lock a single regulator
  * @rdev:              regulator source