739 	struct mmci_dmae_priv *dmae;  in mmci_dmae_setup()  local
741 	dmae = devm_kzalloc(mmc_dev(host->mmc), sizeof(*dmae), GFP_KERNEL);  in mmci_dmae_setup()
742 	if (!dmae)  in mmci_dmae_setup()
745 	host->dma_priv = dmae;  in mmci_dmae_setup()
747 	dmae->rx_channel = dma_request_chan(mmc_dev(host->mmc), "rx");  in mmci_dmae_setup()
748 	if (IS_ERR(dmae->rx_channel)) {  in mmci_dmae_setup()
749 		int ret = PTR_ERR(dmae->rx_channel);  in mmci_dmae_setup()
750 		dmae->rx_channel = NULL;  in mmci_dmae_setup()
754 	dmae->tx_channel = dma_request_chan(mmc_dev(host->mmc), "tx");  in mmci_dmae_setup()
755 	if (IS_ERR(dmae->tx_channel)) {  in mmci_dmae_setup()
756 		if (PTR_ERR(dmae->tx_channel) == -EPROBE_DEFER)  in mmci_dmae_setup()
759 		dmae->tx_channel = NULL;  in mmci_dmae_setup()
767 	if (dmae->rx_channel && !dmae->tx_channel)  in mmci_dmae_setup()
768 		dmae->tx_channel = dmae->rx_channel;  in mmci_dmae_setup()
770 	if (dmae->rx_channel)  in mmci_dmae_setup()
771 		rxname = dma_chan_name(dmae->rx_channel);  in mmci_dmae_setup()
775 	if (dmae->tx_channel)  in mmci_dmae_setup()
776 		txname = dma_chan_name(dmae->tx_channel);  in mmci_dmae_setup()
787 	if (dmae->tx_channel) {  in mmci_dmae_setup()
788 		struct device *dev = dmae->tx_channel->device->dev;  in mmci_dmae_setup()
794 	if (dmae->rx_channel) {  in mmci_dmae_setup()
795 		struct device *dev = dmae->rx_channel->device->dev;  in mmci_dmae_setup()
802 	if (!dmae->tx_channel || !dmae->rx_channel) {  in mmci_dmae_setup()
816 	struct mmci_dmae_priv *dmae = host->dma_priv;  in mmci_dmae_release()  local
818 	if (dmae->rx_channel)  in mmci_dmae_release()
819 		dma_release_channel(dmae->rx_channel);  in mmci_dmae_release()
820 	if (dmae->tx_channel)  in mmci_dmae_release()
821 		dma_release_channel(dmae->tx_channel);  in mmci_dmae_release()
822 	dmae->rx_channel = dmae->tx_channel = NULL;  in mmci_dmae_release()
827 	struct mmci_dmae_priv *dmae = host->dma_priv;  in mmci_dma_unmap()  local
831 		chan = dmae->rx_channel;  in mmci_dma_unmap()
833 		chan = dmae->tx_channel;  in mmci_dma_unmap()
841 	struct mmci_dmae_priv *dmae = host->dma_priv;  in mmci_dmae_error()  local
847 	dmaengine_terminate_all(dmae->cur);  in mmci_dmae_error()
849 	dmae->cur = NULL;  in mmci_dmae_error()
850 	dmae->desc_current = NULL;  in mmci_dmae_error()
858 	struct mmci_dmae_priv *dmae = host->dma_priv;  in mmci_dmae_finalize()  local
897 	dmae->cur = NULL;  in mmci_dmae_finalize()
898 	dmae->desc_current = NULL;  in mmci_dmae_finalize()
906 	struct mmci_dmae_priv *dmae = host->dma_priv;  in _mmci_dmae_prep_data()  local
925 		chan = dmae->rx_channel;  in _mmci_dmae_prep_data()
928 		chan = dmae->tx_channel;  in _mmci_dmae_prep_data()
981 	struct mmci_dmae_priv *dmae = host->dma_priv;  in mmci_dmae_prep_data()  local
982 	struct mmci_dmae_next *nd = &dmae->next_data;  in mmci_dmae_prep_data()
990 	if (dmae->cur && dmae->desc_current)  in mmci_dmae_prep_data()
994 	return _mmci_dmae_prep_data(host, data, &dmae->cur,  in mmci_dmae_prep_data()
995 				    &dmae->desc_current);  in mmci_dmae_prep_data()
1000 	struct mmci_dmae_priv *dmae = host->dma_priv;  in mmci_dmae_start()  local
1004 	ret = dma_submit_error(dmaengine_submit(dmae->desc_current));  in mmci_dmae_start()
1009 	dma_async_issue_pending(dmae->cur);  in mmci_dmae_start()
1018 	struct mmci_dmae_priv *dmae = host->dma_priv;  in mmci_dmae_get_next_data()  local
1019 	struct mmci_dmae_next *next = &dmae->next_data;  in mmci_dmae_get_next_data()
1026 	dmae->desc_current = next->desc;  in mmci_dmae_get_next_data()
1027 	dmae->cur = next->chan;  in mmci_dmae_get_next_data()
1036 	struct mmci_dmae_priv *dmae = host->dma_priv;  in mmci_dmae_unprep_data()  local
1044 		struct mmci_dmae_next *next = &dmae->next_data;  in mmci_dmae_unprep_data()
1047 			chan = dmae->rx_channel;  in mmci_dmae_unprep_data()
1049 			chan = dmae->tx_channel;  in mmci_dmae_unprep_data()
1052 		if (dmae->desc_current == next->desc)  in mmci_dmae_unprep_data()
1053 			dmae->desc_current = NULL;  in mmci_dmae_unprep_data()
1055 		if (dmae->cur == next->chan) {  in mmci_dmae_unprep_data()
1057 			dmae->cur = NULL;  in mmci_dmae_unprep_data()