198 	struct dma_chan *chan_rx;  member
521 	if (host->chan_rx) {  in usdhi6_dma_release()
522 		struct dma_chan *chan = host->chan_rx;  in usdhi6_dma_release()
523 		host->chan_rx = NULL;  in usdhi6_dma_release()
539 		dma_unmap_sg(host->chan_rx->device->dev, data->sg,  in usdhi6_dma_stop_unmap()
613 	if (!host->chan_rx || !host->chan_tx)  in usdhi6_dma_start()
617 		return usdhi6_dma_setup(host, host->chan_rx, DMA_DEV_TO_MEM);  in usdhi6_dma_start()
630 		dmaengine_terminate_all(host->chan_rx);  in usdhi6_dma_kill()
664 		dma_async_issue_pending(host->chan_rx);  in usdhi6_dma_kick()
692 	host->chan_rx = dma_request_slave_channel(mmc_dev(host->mmc), "rx");  in usdhi6_dma_request()
694 		host->chan_rx);  in usdhi6_dma_request()
696 	if (!host->chan_rx)  in usdhi6_dma_request()
703 	ret = dmaengine_slave_config(host->chan_rx, &cfg);  in usdhi6_dma_request()
710 	dma_release_channel(host->chan_rx);  in usdhi6_dma_request()
711 	host->chan_rx = NULL;  in usdhi6_dma_request()