Lines Matching refs:dmach

198 	struct dma_chan *dmach;		/* Reserved DMA channel */
257 		if (sdr->ch[i]->dmach) {
258 			dma_release_channel(sdr->ch[i]->dmach);
259 			sdr->ch[i]->dmach = NULL;
273 		ch->dmach = dma_request_chan(&ch->pdev->dev, "rx");
274 		if (IS_ERR(ch->dmach)) {
275 			ret = PTR_ERR(ch->dmach);
279 					  i, ch->dmach);
280 			ch->dmach = NULL;
288 		ret = dmaengine_slave_config(ch->dmach, &dma_cfg);
603 	rxd = dmaengine_prep_dma_cyclic(ch->dmach, addr,
621 	dma_async_issue_pending(ch->dmach);
690 	dmaengine_terminate_sync(ch->dmach);