QMC_CHAN_ALL
ret = qmc_chan_start(qmc_hdlc->qmc_chan, QMC_CHAN_ALL);
qmc_chan_reset(qmc_hdlc->qmc_chan, QMC_CHAN_ALL);
qmc_chan_stop(qmc_hdlc->qmc_chan, QMC_CHAN_ALL);
qmc_chan_reset(qmc_hdlc->qmc_chan, QMC_CHAN_ALL);
ret = qmc_chan_stop(chan, QMC_CHAN_ALL);