178 	struct dma_chan *dma_tx;  member
222 	dma_release_channel(host->dma_tx);  in jz4740_mmc_release_dma_channels()
231 	host->dma_tx = dma_request_chan(dev, "tx-rx");  in jz4740_mmc_acquire_dma_channels()
232 	if (!IS_ERR(host->dma_tx))  in jz4740_mmc_acquire_dma_channels()
235 	if (PTR_ERR(host->dma_tx) != -ENODEV) {  in jz4740_mmc_acquire_dma_channels()
237 		return PTR_ERR(host->dma_tx);  in jz4740_mmc_acquire_dma_channels()
240 	host->dma_tx = dma_request_chan(mmc_dev(host->mmc), "tx");  in jz4740_mmc_acquire_dma_channels()
241 	if (IS_ERR(host->dma_tx)) {  in jz4740_mmc_acquire_dma_channels()
242 		dev_err(mmc_dev(host->mmc), "Failed to get dma_tx channel\n");  in jz4740_mmc_acquire_dma_channels()
243 		return PTR_ERR(host->dma_tx);  in jz4740_mmc_acquire_dma_channels()
249 		dma_release_channel(host->dma_tx);  in jz4740_mmc_acquire_dma_channels()
257 	if (host->dma_tx) {  in jz4740_mmc_acquire_dma_channels()
258 		struct device *dev = host->dma_tx->device->dev;  in jz4740_mmc_acquire_dma_channels()
282 		return host->dma_tx;  in jz4740_mmc_get_dma_chan()