HBG_MAC_GET_PRIV
hbg_reg_write(HBG_MAC_GET_PRIV(mac), HBG_REG_MDIO_COMMAND_ADDR, cmd);
*cmd = hbg_reg_read(HBG_MAC_GET_PRIV(mac), HBG_REG_MDIO_COMMAND_ADDR);
hbg_reg_write_field(HBG_MAC_GET_PRIV(mac), HBG_REG_MDIO_WDATA_ADDR,
return hbg_reg_read_field(HBG_MAC_GET_PRIV(mac),
struct hbg_priv *priv = HBG_MAC_GET_PRIV(mac);