HCINT_SOFTWARE_ONLY
if (sc->sc_chan_state[channel].hcint & HCINT_SOFTWARE_ONLY) {
sc->sc_chan_state[channel].hcint |= HCINT_SOFTWARE_ONLY;
if (!(hcint & HCINT_SOFTWARE_ONLY))
temp &= ~HCINT_SOFTWARE_ONLY;
HCINT_ERRORS | HCINT_STALL | HCINT_SOFTWARE_ONLY)