LP_USE_IRQ
sc->sc_irq = LP_HAS_IRQ | LP_USE_IRQ | LP_ENABLE_IRQ;
sc->sc_irq |= LP_USE_IRQ;
sc->sc_irq &= ~LP_USE_IRQ;
if (sc->sc_irq & LP_USE_IRQ)
if (sc->sc_irq & LP_USE_IRQ) {
if ((!(sc->sc_state & INTERRUPTED)) && (sc->sc_irq & LP_USE_IRQ))
} else while ((sc->sc_xfercnt > 0)&&(sc->sc_irq & LP_USE_IRQ)) {
if (!(sc->sc_irq & LP_USE_IRQ) && (sc->sc_xfercnt)) {