diff --git a/drivers/net/ethernet/broadcom/bgmac-bcma.c b/drivers/net/ethernet/broadcom/bgmac-bcma.c
index 6322594ab260..6fe074c1588b 100644
--- a/drivers/net/ethernet/broadcom/bgmac-bcma.c
+++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c
@@ -184,13 +184,19 @@ static int bgmac_probe(struct bcma_device *core)
 
 	if (!bgmac_is_bcm4707_family(core) &&
 	    !(ci->id == BCMA_CHIP_ID_BCM53573 && core->core_unit == 1)) {
+		struct phy_device *phydev;
+
 		mii_bus = bcma_mdio_mii_register(bgmac);
 		if (IS_ERR(mii_bus)) {
 			err = PTR_ERR(mii_bus);
 			goto err;
 		}
-
 		bgmac->mii_bus = mii_bus;
+
+		phydev = mdiobus_get_phy(bgmac->mii_bus, bgmac->phyaddr);
+		if (ci->id == BCMA_CHIP_ID_BCM53573 && phydev &&
+		    (phydev->drv->phy_id & phydev->drv->phy_id_mask) == PHY_ID_BCM54210E)
+			phydev->dev_flags |= PHY_BRCM_EN_MASTER_MODE;
 	}
 
 	if (core->bus->hosttype == BCMA_HOSTTYPE_PCI) {