BM_PORT_GEN_CFG
rv = sc->phy.readreg_locked(dev, 2, BM_PORT_GEN_CFG, &phy_data);
rv = sc->phy.writereg_locked(dev, 2, BM_PORT_GEN_CFG,
wm_gmii_hv_readreg(dev, 2, BM_PORT_GEN_CFG, ®);
wm_gmii_hv_writereg(dev, 2, BM_PORT_GEN_CFG, reg);