pvr_kccb_wait_for_completion
int pvr_kccb_wait_for_completion(struct pvr_device *pvr_dev, u32 slot_nr, u32 timeout,
err = pvr_kccb_wait_for_completion(pvr_dev, slot_nr, HZ, &rtn);
err = pvr_kccb_wait_for_completion(pvr_dev, slot, HZ, NULL);
err = pvr_kccb_wait_for_completion(pvr_dev, slot, HZ, NULL);
err = pvr_kccb_wait_for_completion(pvr_dev, slot, HZ, NULL);