arbus_intr_establish
sc->sc_ih = arbus_intr_establish(aa->aa_cirq, aa->aa_mirq,
sc->sc_ih = arbus_intr_establish(aa->aa_cirq, aa->aa_mirq,
arbus_intr_establish(aa->aa_cirq, aa->aa_mirq, comintr, sc);
ih = arbus_intr_establish(aa->aa_cirq, aa->aa_mirq, ehci_intr, sc);
sc->sc_ih = arbus_intr_establish(sc->sc_cirq, sc->sc_mirq,
asc->sc_ih = arbus_intr_establish(aa->aa_cirq, aa->aa_mirq, ath_intr,
ih = arbus_intr_establish(aa->aa_cirq, aa->aa_mirq, ohci_intr, sc);
void *arbus_intr_establish(int, int, int (*)(void *), void *);