--- /dev/null
+diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
+index f8349a6..d4153be 100644
+--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
++++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
+@@ -302,6 +302,7 @@ int bcmgenet_mii_init(struct net_device *dev)
+ /* fall through */
+ case BRCM_PHY_TYPE_EXT_RGMII:
+ phy_name = "external RGMII";
++ id_mode_dis |= (0xe << 12);
+ GENET_RGMII_OOB_CTRL(pDevCtrl) |= RGMII_MODE_EN | id_mode_dis;
+ pDevCtrl->sys->sys_port_ctrl = PORT_MODE_EXT_GPHY;
+ /*