Lines Matching defs:dma_tx
176 struct dma_chan *dma_tx;
220 dma_release_channel(host->dma_tx);
226 host->dma_tx = dma_request_chan(mmc_dev(host->mmc), "tx");
227 if (IS_ERR(host->dma_tx)) {
228 dev_err(mmc_dev(host->mmc), "Failed to get dma_tx channel\n");
229 return PTR_ERR(host->dma_tx);
235 dma_release_channel(host->dma_tx);
243 if (host->dma_tx) {
244 struct device *dev = host->dma_tx->device->dev;
265 return (data->flags & MMC_DATA_READ) ? host->dma_rx : host->dma_tx;