PHY_1000T_STATUS
em_read_phy_reg(&sc->hw, PHY_1000T_STATUS, &gsr);
em_read_phy_reg(&sc->hw, PHY_1000T_STATUS, &phy_tmp);
em_read_phy_reg(&sc->hw, PHY_1000T_STATUS, &phy_tmp);
ret_val = em_read_phy_reg(hw, PHY_1000T_STATUS,
PHY_1000T_STATUS, &phy_data);