MTW_TXQ_MCU
usbd_setup_xfer(data->xfer, sc->txq[MTW_TXQ_MCU].pipeh,
qid = MTW_TXQ_MCU;
sc->txq[MTW_TXQ_MCU].pipe_no =
struct mtw_tx_ring *ring = &sc->txq[MTW_TXQ_MCU];