diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c
index 5c04a7159baa..86db310d5304 100644
--- a/drivers/regulator/max1586.c
+++ b/drivers/regulator/max1586.c
@@ -159,7 +159,7 @@ static struct regulator_desc max1586_reg[] = {
 	},
 };
 
-int of_get_max1586_platform_data(struct device *dev,
+static int of_get_max1586_platform_data(struct device *dev,
 				 struct max1586_platform_data *pdata)
 {
 	struct max1586_subdev_data *sub;