ciss_intr
static void ciss_intr(void *arg);
if (sc->ciss_intr != NULL)
bus_teardown_intr(sc->ciss_dev, sc->ciss_irq_resource, sc->ciss_intr);
intr = ciss_intr;
&sc->ciss_intr, NULL)) {
void *ciss_intr; /* interrupt handle */