diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index e3271daa3ab9e889c196c1d393630dc975dfba4f..9a143aebb84b6cf8cf4ce236fb4485161a88e19e 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -805,6 +805,11 @@ static void print_constraints(struct regulator_dev *rdev)
 		count += sprintf(buf + count, "standby");
 
 	rdev_info(rdev, "%s\n", buf);
+
+	if ((constraints->min_uV != constraints->max_uV) &&
+	    !(constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE))
+		rdev_warn(rdev,
+			  "Voltage range but no REGULATOR_CHANGE_VOLTAGE\n");
 }
 
 static int machine_constraints_voltage(struct regulator_dev *rdev,