request_poll
request_poll(service->state, service, (queue == &service->bulk_tx) ?
request_poll(state, service, VCHIQ_POLL_REMOVE);
request_poll(state, service, VCHIQ_POLL_TERMINATE);
request_poll(state, service, VCHIQ_POLL_REMOVE);
request_poll(service->state, service, VCHIQ_POLL_TERMINATE);
request_poll(service->state, service, VCHIQ_POLL_REMOVE);
request_poll(struct vchiq_state *state, struct vchiq_service *service,