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