MBG_FIFO_LEN
#define MBG_ID_LEN (2 * MBG_FIFO_LEN + 1)
if (sc->sc_read(sc, MBG_GET_FW_ID_1, fw_id, MBG_FIFO_LEN, NULL) ||
sc->sc_read(sc, MBG_GET_FW_ID_2, &fw_id[MBG_FIFO_LEN], MBG_FIFO_LEN,
#define MBG_ID_LEN (2 * MBG_FIFO_LEN + 1)
if (umbg_read(sc, MBG_GET_FW_ID_1, fw_id, MBG_FIFO_LEN, NULL) ||
umbg_read(sc, MBG_GET_FW_ID_2, &fw_id[MBG_FIFO_LEN], MBG_FIFO_LEN,