diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 4775f49d7f3b716fcee15cc5401b79f1e87112cf..d10ac54bf385adb1e968a28cc9593397d56c1156 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -412,9 +412,9 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac)
 		*mac = NULL;
 	}
 
-	rc = of_get_phy_mode(np, &plat->phy_interface);
-	if (rc)
-		return ERR_PTR(rc);
+	plat->phy_interface = device_get_phy_mode(&pdev->dev);
+	if (plat->phy_interface < 0)
+		return ERR_PTR(plat->phy_interface);
 
 	plat->interface = stmmac_of_get_mac_mode(np);
 	if (plat->interface < 0)