IM_ALLOC_INT
INTR_STAT_REG_B) & IM_ALLOC_INT)
sc->sc_intmask |= IM_ALLOC_INT;
if (status & IM_ALLOC_INT) {
mask &= ~IM_ALLOC_INT;
sc->sc_intmask &= ~IM_ALLOC_INT;