[PATCH 3/3] regulator: unexport regulator_lock/unlock()

["Michał Mirosław" <mirq-linux@rere.qmqm.pl>]

regulator_lock/unlock() was used only to guard
regulator_notifier_call_chain(). As no users remain, make the functions
internal.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
---
 drivers/regulator/core.c         | 6 ++----
 include/linux/regulator/driver.h | 3 ---
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index f4035167e7ba..0a32c3da0e26 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -170,11 +170,10 @@ static inline int regulator_lock_nested(struct regulator_dev *rdev,
  * than the one, which initially locked the mutex, it will
  * wait on mutex.
  */
-void regulator_lock(struct regulator_dev *rdev)
+static void regulator_lock(struct regulator_dev *rdev)
 {
 	regulator_lock_nested(rdev, NULL);
 }
-EXPORT_SYMBOL_GPL(regulator_lock);
 
 /**
  * regulator_unlock - unlock a single regulator
@@ -183,7 +182,7 @@ EXPORT_SYMBOL_GPL(regulator_lock);
  * This function unlocks the mutex when the
  * reference counter reaches 0.
  */
-void regulator_unlock(struct regulator_dev *rdev)
+static void regulator_unlock(struct regulator_dev *rdev)
 {
 	if (WARN_ON_ONCE(rdev->ref_cnt <= 0))
 		return;
@@ -191,7 +190,6 @@ void regulator_unlock(struct regulator_dev *rdev)
 	if (--rdev->ref_cnt == 0)
 		ww_mutex_unlock(&rdev->mutex);
 }
-EXPORT_SYMBOL_GPL(regulator_unlock);
 
 static bool regulator_supply_is_couple(struct regulator_dev *rdev)
 {
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 2fe5b1bcbe2f..9c5a74cdebfe 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -532,9 +532,6 @@ int regulator_set_current_limit_regmap(struct regulator_dev *rdev,
 int regulator_get_current_limit_regmap(struct regulator_dev *rdev);
 void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data);
 
-void regulator_lock(struct regulator_dev *rdev);
-void regulator_unlock(struct regulator_dev *rdev);
-
 /*
  * Helper functions intended to be used by regulator drivers prior registering
  * their regulators.
-- 
2.20.1