diff --git a/target/linux/rockchip/files/drivers/net/phy/motorcomm.c b/target/linux/rockchip/files/drivers/net/phy/motorcomm.c
index c11f2acb4b..04955bb6fa 100644
--- a/target/linux/rockchip/files/drivers/net/phy/motorcomm.c
+++ b/target/linux/rockchip/files/drivers/net/phy/motorcomm.c
@@ -65,7 +65,7 @@ static int yt8511_config_init(struct phy_device *phydev)
 	int val;
 
 	/* disable auto sleep */
-	val = ytphy_read_ext(phydev, YT8521_EXTREG_SLEEP_CONTROL1);
+	val = ytphy_read_ext(phydev, YT8511_EXTREG_SLEEP_CONTROL1);
 	if (val < 0)
 		return val;