Lines Matching refs:dma_tx
248 dmaengine_slave_config(master->dma_tx, &txconf);
250 txdesc = dmaengine_prep_slave_sg(master->dma_tx,
269 dma_async_issue_pending(master->dma_tx);
522 dmaengine_terminate_sync(master->dma_tx);
703 master->dma_tx = dma_request_chan(&pdev->dev, "tx");
704 if (IS_ERR(master->dma_tx)) {
706 if (PTR_ERR(master->dma_tx) == -EPROBE_DEFER) {
711 master->dma_tx = NULL;
724 if (master->dma_tx && master->dma_rx) {
760 if (master->dma_tx)
761 dma_release_channel(master->dma_tx);
773 if (master->dma_tx)
774 dma_release_channel(master->dma_tx);