pciide_dma_finish
sc->sc_wdcdev.dma_finish = pciide_dma_finish;
sc->sc_wdcdev.dma_finish = pciide_dma_finish;
return (pciide_dma_finish(v, channel, drive, force));
sc->sc_wdcdev.dma_finish = pciide_dma_finish;
int pciide_dma_finish(void *, int, int, int);