init_dma
init_dma(i);
init_dma(cp, OUTPUT_MORE, virt_to_phys(write_preamble),
init_dma(cp, OUTPUT_MORE, swim3_bio_phys(req->bio), 512);
init_dma(cp, OUTPUT_LAST, virt_to_phys(write_postamble),
init_dma(cp, INPUT_LAST, swim3_bio_phys(req->bio), n * 512);
int (*init_dma)(struct altera_tse_private *);
.init_dma = sgdma_initialize,
.init_dma = msgdma_initialize,
ret = priv->dmaops->init_dma(priv);
init_dma(emu);
init_dma(stream->dma);