dmaengine_prep_dma_memcpy
tx = dmaengine_prep_dma_memcpy(dmm->wa_dma_chan, dst, src, 4, 0);
tx = dmaengine_prep_dma_memcpy(rx_chan, dma_dst, dma_src, len, flags);
tx = dmaengine_prep_dma_memcpy(c->dma_chan, dst, src, count,
tx = dmaengine_prep_dma_memcpy(nc->dmac, dst_dma, src_dma, len,
tx = dmaengine_prep_dma_memcpy(cdns_ctrl->dmac, dst_dma, src_dma, len,
tx = dmaengine_prep_dma_memcpy(pthr->dma_chan, dst_dma_addr,
tx = dmaengine_prep_dma_memcpy(chan, dma_dst, dma_src, len,
tx = dmaengine_prep_dma_memcpy(chan, dma_dst, dma_src, len,
tx = dmaengine_prep_dma_memcpy(cqspi->rx_chan, dma_dst, dma_src,
tx = dmaengine_prep_dma_memcpy(chan, dma_dst, dma_src, len, flags);
desc = dmaengine_prep_dma_memcpy(chan, dst_addr, src_addr, size,