bus_alloc_legacy_irq_resource
sc->intr = bus_alloc_legacy_irq_resource(dev, &rid, irq, RF_ACTIVE);
sc->intr_resource = bus_alloc_legacy_irq_resource(dev, &zero,
ppi->intr_resource = bus_alloc_legacy_irq_resource(dev, &zero, irq,
sc->intr_resource = bus_alloc_legacy_irq_resource(ppsdev,
sc->intr = bus_alloc_legacy_irq_resource(dev, &rid, irq, RF_ACTIVE);
lp->res_irq = bus_alloc_legacy_irq_resource(dev, &zero, irq,
struct resource *bus_alloc_legacy_irq_resource(device_t dev, int *rid,