ppb_request_bus
extern int ppb_request_bus(device_t, device_t, int);
if ((error = ppb_request_bus(ppbus, vpo->vpo_dev, how)))
if ((error = ppb_request_bus(ppbus, vpo->vpo_dev, PPB_DONTWAIT)))
if ((error = ppb_request_bus(ppbus, vpo->vpo_dev, PPB_WAIT)))
if ((error = ppb_request_bus(ppbus, vpo->vpo_dev, how))) {
if ((error = ppb_request_bus(ppbus, vpo->vpo_dev, PPB_DONTWAIT)))
if ((error = ppb_request_bus(ppbus, vpo->vpo_dev, PPB_WAIT)))
error = ppb_request_bus(ppbus, dev, how);
if (ppb_request_bus(ppbus, dev, PPB_DONTWAIT)) {
if (ppb_request_bus(ppbus, dev, PPB_DONTWAIT)) {
if ((error = ppb_request_bus(ppbus, dev, how)) == 0)
if ((res = ppb_request_bus(ppbus, pcfclockdev,
if ((res = ppb_request_bus(ppbus, ppidev,
if (ppb_request_bus(ppbus, ppsdev, PPB_WAIT|PPB_INTR))
if ((error = ppb_request_bus(ppbus, dev, PPB_WAIT|PPB_INTR)))