diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
index 8913f6f02b9e..cb1c074c2053 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
@@ -105,7 +105,6 @@ struct qcom_ethqos {
 
 	struct clk *link_clk;
 	struct phy *serdes_phy;
-	phy_interface_t serdes_mode;
 	phy_interface_t phy_mode;
 
 	const struct ethqos_emac_por *rgmii_por;
@@ -648,17 +647,8 @@ static int qcom_ethqos_serdes_powerup(struct net_device *ndev, void *priv)
 		return ret;
 
 	ret = phy_power_on(ethqos->serdes_phy);
-	if (ret) {
+	if (ret)
 		phy_exit(ethqos->serdes_phy);
-		return ret;
-	}
-
-	ret = phy_set_mode_ext(ethqos->serdes_phy, PHY_MODE_ETHERNET,
-			       ethqos->serdes_mode);
-	if (ret) {
-		phy_power_off(ethqos->serdes_phy);
-		phy_exit(ethqos->serdes_phy);
-	}
 
 	return ret;
 }
@@ -681,12 +671,9 @@ static int ethqos_mac_finish_serdes(struct net_device *ndev, void *priv,
 	qcom_ethqos_set_sgmii_loopback(ethqos, false);
 
 	if (interface == PHY_INTERFACE_MODE_SGMII ||
-	    interface == PHY_INTERFACE_MODE_2500BASEX) {
+	    interface == PHY_INTERFACE_MODE_2500BASEX)
 		ret = phy_set_mode_ext(ethqos->serdes_phy, PHY_MODE_ETHERNET,
 				       interface);
-		if (ret == 0)
-			ethqos->serdes_mode = interface;
-	}
 
 	return ret;
 }
@@ -839,7 +826,6 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
 		plat_dat->host_dma_width = data->dma_addr_width;
 
 	if (ethqos->serdes_phy) {
-		ethqos->serdes_mode = PHY_INTERFACE_MODE_SGMII;
 		plat_dat->serdes_powerup = qcom_ethqos_serdes_powerup;
 		plat_dat->serdes_powerdown  = qcom_ethqos_serdes_powerdown;
 	}