Lines Matching refs:dma_tx
356 if ((!master->dma_tx && !master->dma_rx)
357 || (!master->dma_tx && t->tx_buf)
442 dmaengine_slave_config(master->dma_tx, &txconf);
445 master->dma_tx,
458 dma_async_issue_pending(master->dma_tx);
590 dmaengine_terminate_async(master->dma_tx);
716 master->dma_tx = dma_request_chan(&pdev->dev, "tx");
717 if (IS_ERR_OR_NULL(master->dma_tx)) {
718 if (PTR_ERR(master->dma_tx) == -EPROBE_DEFER) {
722 master->dma_tx = NULL;
725 ret = dma_get_slave_caps(master->dma_tx, &caps);
765 if (!IS_ERR_OR_NULL(master->dma_tx)) {
766 dma_release_channel(master->dma_tx);
767 master->dma_tx = NULL;
783 if (master->dma_tx)
784 dma_release_channel(master->dma_tx);