diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 04baac9a165bbb56da292a51d0a56055947861e0..6b9bb1b002260e7e9ac15ea1e8c0a30da0be8923 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2162,6 +2162,8 @@ static int _regulator_enable(struct regulator_dev *rdev)
 			if (ret < 0)
 				return ret;
 
+			_notifier_call_chain(rdev, REGULATOR_EVENT_ENABLE,
+					     NULL);
 		} else if (ret < 0) {
 			rdev_err(rdev, "is_enabled() failed: %d\n", ret);
 			return ret;
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index ea0fffa5faebb1688ecdb6166db8c7f4d2836c40..df176d7c2b87c00356a11b383a61185e7f3e47ae 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -119,6 +119,7 @@ struct regmap;
 #define REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE	0x200
 #define REGULATOR_EVENT_PRE_DISABLE		0x400
 #define REGULATOR_EVENT_ABORT_DISABLE		0x800
+#define REGULATOR_EVENT_ENABLE			0x1000
 
 /*
  * Regulator errors that can be queried using regulator_get_error_flags