GG82563_PHY_KMRN_MODE_CTRL
PHY_READ(sc, GG82563_PHY_KMRN_MODE_CTRL, &phy_data);
PHY_WRITE(sc, GG82563_PHY_KMRN_MODE_CTRL, phy_data);
PHY_READ(sc, GG82563_PHY_KMRN_MODE_CTRL, &kmrn);
PHY_WRITE(sc, GG82563_PHY_KMRN_MODE_CTRL, kmrn);