spi_transq_enqueue
spi_transq_enqueue(&sc->sc_q, st);
spi_transq_enqueue(&sc->sc_q, st);
spi_transq_enqueue(&sc->sc_q, st);
spi_transq_enqueue(&sc->sc_q, st);
spi_transq_enqueue(&sc->sc_q, st);
spi_transq_enqueue(&sc->sc_q, st);
spi_transq_enqueue(&sc->sc_q, st);
spi_transq_enqueue(&sc->sc_transq, st);
spi_transq_enqueue(&sc->sc_transq, st);
spi_transq_enqueue(&sc->sc_q, st);