HFCUSB_B2_RX
(i <= HFCUSB_B2_RX) ? MAX_BCH_SIZE : MAX_DFRAME_LEN;
write_reg(hw, HFCUSB_HDLC_PAR, ((i <= HFCUSB_B2_RX) ? 0 : 2));
if ((channel == HFC_CHAN_B2) && (hw->fifos[HFCUSB_B2_RX].active))
start_isoc_chain(hw->fifos + HFCUSB_B2_RX,
if ((channel == HFC_CHAN_B2) && (!hw->fifos[HFCUSB_B2_RX].active))
hw->fifos[HFCUSB_B2_RX].bch = &hw->bch[1];