diff --git a/drivers/pinctrl/pinctrl-xway.c b/drivers/pinctrl/pinctrl-xway.c
index 48f8aabf3bfa..02e65d25e729 100644
--- a/drivers/pinctrl/pinctrl-xway.c
+++ b/drivers/pinctrl/pinctrl-xway.c
@@ -1228,10 +1228,10 @@ static int xway_pinconf_set(struct pinctrl_dev *pctldev,
 	return 0;
 }
 
-int xway_pinconf_group_set(struct pinctrl_dev *pctldev,
-			unsigned selector,
-			unsigned long *configs,
-			unsigned num_configs)
+static int xway_pinconf_group_set(struct pinctrl_dev *pctldev,
+				  unsigned int selector,
+				  unsigned long *configs,
+				  unsigned int num_configs)
 {
 	struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctldev);
 	int i, ret = 0;