Lines Matching defs:dmach
202 struct dma_chan *dmach; /* Reserved DMA channel */
261 if (sdr->ch[i]->dmach) {
262 dma_release_channel(sdr->ch[i]->dmach);
263 sdr->ch[i]->dmach = NULL;
277 ch->dmach = dma_request_chan(&ch->pdev->dev, "rx");
278 if (IS_ERR(ch->dmach)) {
279 ret = PTR_ERR(ch->dmach);
283 i, ch->dmach);
284 ch->dmach = NULL;
292 ret = dmaengine_slave_config(ch->dmach, &dma_cfg);
606 rxd = dmaengine_prep_dma_cyclic(ch->dmach, addr,
624 dma_async_issue_pending(ch->dmach);
693 dmaengine_terminate_sync(ch->dmach);