769 	dmaengine_terminate_async(host->dms->ch);  in dw_mci_edmac_stop_dma()
800 	ret = dmaengine_slave_config(host->dms->ch, &cfg);  in dw_mci_edmac_start_dma()
806 	desc = dmaengine_prep_slave_sg(host->dms->ch, sgl,  in dw_mci_edmac_start_dma()
824 	dma_async_issue_pending(host->dms->ch);  in dw_mci_edmac_start_dma()
832 	host->dms = kzalloc(sizeof(struct dw_mci_dma_slave), GFP_KERNEL);  in dw_mci_edmac_init()
833 	if (!host->dms)  in dw_mci_edmac_init()
836 	host->dms->ch = dma_request_slave_channel(host->dev, "rx-tx");  in dw_mci_edmac_init()
837 	if (!host->dms->ch) {  in dw_mci_edmac_init()
839 		kfree(host->dms);  in dw_mci_edmac_init()
840 		host->dms = NULL;  in dw_mci_edmac_init()
849 	if (host->dms) {  in dw_mci_edmac_exit()
850 		if (host->dms->ch) {  in dw_mci_edmac_exit()
851 			dma_release_channel(host->dms->ch);  in dw_mci_edmac_exit()
852 			host->dms->ch = NULL;  in dw_mci_edmac_exit()
854 		kfree(host->dms);  in dw_mci_edmac_exit()
855 		host->dms = NULL;  in dw_mci_edmac_exit()