diff --git a/drivers/net/ethernet/mediatek/mtk_star_emac.c b/drivers/net/ethernet/mediatek/mtk_star_emac.c
index 67f9e4415ae9..392648246d8f 100644
--- a/drivers/net/ethernet/mediatek/mtk_star_emac.c
+++ b/drivers/net/ethernet/mediatek/mtk_star_emac.c
@@ -1446,6 +1446,7 @@ static int mtk_star_probe(struct platform_device *pdev)
 {
 	struct device_node *of_node;
 	struct mtk_star_priv *priv;
+	struct phy_device *phydev;
 	struct net_device *ndev;
 	struct device *dev;
 	void __iomem *base;
@@ -1552,6 +1553,12 @@ static int mtk_star_probe(struct platform_device *pdev)
 
 	netif_napi_add(ndev, &priv->napi, mtk_star_poll, NAPI_POLL_WEIGHT);
 
+	phydev = of_phy_find_device(priv->phy_node);
+	if (phydev) {
+		phydev->mac_managed_pm = true;
+		put_device(&phydev->mdio.dev);
+	}
+
 	return devm_register_netdev(dev, ndev);
 }