1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 98e5d14f94f3..2248087b9be2 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1745,6 +1745,7 @@ int regulator_set_mode(struct regulator *regulator, unsigned int mode)
 {
         struct regulator_dev *rdev = regulator->rdev;
         int ret;
+        int regulator_curr_mode;
 
         mutex_lock(&rdev->mutex);
 
@@ -1754,6 +1755,15 @@ int regulator_set_mode(struct regulator *regulator, unsigned int mode)
                 goto out;
         }
 
+        /* return if the same mode is requested */
+        if (rdev->desc->ops->get_mode) {
+                regulator_curr_mode = rdev->desc->ops->get_mode(rdev);
+                if (regulator_curr_mode == mode) {
+                        ret = 0;
+                        goto out;
+                }
+        }
+
         /* constraints check */
         ret = regulator_check_mode(rdev, mode);
         if (ret < 0)