179 	struct dma_chan *dma_tx;  member
223 	dma_release_channel(host->dma_tx);  in jz4740_mmc_release_dma_channels()
232 	host->dma_tx = dma_request_chan(dev, "tx-rx");  in jz4740_mmc_acquire_dma_channels()
233 	if (!IS_ERR(host->dma_tx))  in jz4740_mmc_acquire_dma_channels()
236 	if (PTR_ERR(host->dma_tx) != -ENODEV) {  in jz4740_mmc_acquire_dma_channels()
238 		return PTR_ERR(host->dma_tx);  in jz4740_mmc_acquire_dma_channels()
241 	host->dma_tx = dma_request_chan(mmc_dev(host->mmc), "tx");  in jz4740_mmc_acquire_dma_channels()
242 	if (IS_ERR(host->dma_tx)) {  in jz4740_mmc_acquire_dma_channels()
243 		dev_err(mmc_dev(host->mmc), "Failed to get dma_tx channel\n");  in jz4740_mmc_acquire_dma_channels()
244 		return PTR_ERR(host->dma_tx);  in jz4740_mmc_acquire_dma_channels()
250 		dma_release_channel(host->dma_tx);  in jz4740_mmc_acquire_dma_channels()
258 	if (host->dma_tx) {  in jz4740_mmc_acquire_dma_channels()
259 		struct device *dev = host->dma_tx->device->dev;  in jz4740_mmc_acquire_dma_channels()
283 		return host->dma_tx;  in jz4740_mmc_get_dma_chan()