pckbcintr
IPL_TTY, 0, pckbcintr, psc, self->dv_xname);
IPL_TTY, 0, pckbcintr, psc, self->dv_xname);
IPL_TTY, pckbcintr, pasc, self->dv_xname);
IPL_TTY, pckbcintr, pasc, self->dv_xname);
sc->sc_gpioint[irq].flags, IPL_TTY, pckbcintr, sc);
int pckbcintr(void *);
IST_EDGE, IPL_TTY, pckbcintr, sc, sc->sc_dv.dv_xname);