diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c
index d0a4ebbe1e7e..2a9d2801388d 100644
--- a/drivers/pinctrl/mediatek/pinctrl-paris.c
+++ b/drivers/pinctrl/mediatek/pinctrl-paris.c
@@ -574,7 +574,7 @@ static int mtk_hw_get_value_wrap(struct mtk_pinctrl *hw, unsigned int gpio, int
 ssize_t mtk_pctrl_show_one_pin(struct mtk_pinctrl *hw,
 	unsigned int gpio, char *buf, unsigned int bufLen)
 {
-	int pinmux, pullup, pullen, len = 0, r1 = -1, r0 = -1;
+	int pinmux, pullup = 0, pullen = 0, len = 0, r1 = -1, r0 = -1;
 	const struct mtk_pin_desc *desc;
 
 	if (gpio >= hw->soc->npins)