diff --git a/drivers/net/phy/mxl-gpy.c b/drivers/net/phy/mxl-gpy.c
index e5f8ac4b4604..17b0654644de 100644
--- a/drivers/net/phy/mxl-gpy.c
+++ b/drivers/net/phy/mxl-gpy.c
@@ -523,7 +523,7 @@ static int gpy_update_interface(struct phy_device *phydev)
 	/* Interface mode is fixed for USXGMII and integrated PHY */
 	if (phydev->interface == PHY_INTERFACE_MODE_USXGMII ||
 	    phydev->interface == PHY_INTERFACE_MODE_INTERNAL)
-		return -EINVAL;
+		return 0;
 
 	/* Automatically switch SERDES interface between SGMII and 2500-BaseX
 	 * according to speed. Disable ANEG in 2500-BaseX mode.