diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
index a2393706d91c..b2f72da939bb 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
@@ -392,7 +392,7 @@ static int
 rockchip_usb2phy_clk480m_register(struct rockchip_usb2phy *rphy)
 {
 	struct device_node *node = rphy->dev->of_node;
-	struct clk_init_data init;
+	struct clk_init_data init = {};
 	const char *clk_name;
 	int ret;