635 	struct mmci_dmae_priv *dmae;  in mmci_dmae_setup()  local
637 	dmae = devm_kzalloc(mmc_dev(host->mmc), sizeof(*dmae), GFP_KERNEL);  in mmci_dmae_setup()
638 	if (!dmae)  in mmci_dmae_setup()
641 	host->dma_priv = dmae;  in mmci_dmae_setup()
643 	dmae->rx_channel = dma_request_slave_channel(mmc_dev(host->mmc),  in mmci_dmae_setup()
645 	dmae->tx_channel = dma_request_slave_channel(mmc_dev(host->mmc),  in mmci_dmae_setup()
653 	if (dmae->rx_channel && !dmae->tx_channel)  in mmci_dmae_setup()
654 		dmae->tx_channel = dmae->rx_channel;  in mmci_dmae_setup()
656 	if (dmae->rx_channel)  in mmci_dmae_setup()
657 		rxname = dma_chan_name(dmae->rx_channel);  in mmci_dmae_setup()
661 	if (dmae->tx_channel)  in mmci_dmae_setup()
662 		txname = dma_chan_name(dmae->tx_channel);  in mmci_dmae_setup()
673 	if (dmae->tx_channel) {  in mmci_dmae_setup()
674 		struct device *dev = dmae->tx_channel->device->dev;  in mmci_dmae_setup()
680 	if (dmae->rx_channel) {  in mmci_dmae_setup()
681 		struct device *dev = dmae->rx_channel->device->dev;  in mmci_dmae_setup()
688 	if (!dmae->tx_channel || !dmae->rx_channel) {  in mmci_dmae_setup()
702 	struct mmci_dmae_priv *dmae = host->dma_priv;  in mmci_dmae_release()  local
704 	if (dmae->rx_channel)  in mmci_dmae_release()
705 		dma_release_channel(dmae->rx_channel);  in mmci_dmae_release()
706 	if (dmae->tx_channel)  in mmci_dmae_release()
707 		dma_release_channel(dmae->tx_channel);  in mmci_dmae_release()
708 	dmae->rx_channel = dmae->tx_channel = NULL;  in mmci_dmae_release()
713 	struct mmci_dmae_priv *dmae = host->dma_priv;  in mmci_dma_unmap()  local
717 		chan = dmae->rx_channel;  in mmci_dma_unmap()
719 		chan = dmae->tx_channel;  in mmci_dma_unmap()
727 	struct mmci_dmae_priv *dmae = host->dma_priv;  in mmci_dmae_error()  local
733 	dmaengine_terminate_all(dmae->cur);  in mmci_dmae_error()
735 	dmae->cur = NULL;  in mmci_dmae_error()
736 	dmae->desc_current = NULL;  in mmci_dmae_error()
744 	struct mmci_dmae_priv *dmae = host->dma_priv;  in mmci_dmae_finalize()  local
783 	dmae->cur = NULL;  in mmci_dmae_finalize()
784 	dmae->desc_current = NULL;  in mmci_dmae_finalize()
792 	struct mmci_dmae_priv *dmae = host->dma_priv;  in _mmci_dmae_prep_data()  local
811 		chan = dmae->rx_channel;  in _mmci_dmae_prep_data()
814 		chan = dmae->tx_channel;  in _mmci_dmae_prep_data()
855 	struct mmci_dmae_priv *dmae = host->dma_priv;  in mmci_dmae_prep_data()  local
856 	struct mmci_dmae_next *nd = &dmae->next_data;  in mmci_dmae_prep_data()
864 	if (dmae->cur && dmae->desc_current)  in mmci_dmae_prep_data()
868 	return _mmci_dmae_prep_data(host, data, &dmae->cur,  in mmci_dmae_prep_data()
869 				    &dmae->desc_current);  in mmci_dmae_prep_data()
874 	struct mmci_dmae_priv *dmae = host->dma_priv;  in mmci_dmae_start()  local
877 	dmaengine_submit(dmae->desc_current);  in mmci_dmae_start()
878 	dma_async_issue_pending(dmae->cur);  in mmci_dmae_start()
887 	struct mmci_dmae_priv *dmae = host->dma_priv;  in mmci_dmae_get_next_data()  local
888 	struct mmci_dmae_next *next = &dmae->next_data;  in mmci_dmae_get_next_data()
895 	dmae->desc_current = next->desc;  in mmci_dmae_get_next_data()
896 	dmae->cur = next->chan;  in mmci_dmae_get_next_data()
905 	struct mmci_dmae_priv *dmae = host->dma_priv;  in mmci_dmae_unprep_data()  local
913 		struct mmci_dmae_next *next = &dmae->next_data;  in mmci_dmae_unprep_data()
916 			chan = dmae->rx_channel;  in mmci_dmae_unprep_data()
918 			chan = dmae->tx_channel;  in mmci_dmae_unprep_data()
921 		if (dmae->desc_current == next->desc)  in mmci_dmae_unprep_data()
922 			dmae->desc_current = NULL;  in mmci_dmae_unprep_data()
924 		if (dmae->cur == next->chan) {  in mmci_dmae_unprep_data()
926 			dmae->cur = NULL;  in mmci_dmae_unprep_data()