Lines Matching defs:tx_ch
99 struct dma_chan *tx_ch;
352 dmaengine_slave_config(spfi->tx_ch, &txconf);
354 txdesc = dmaengine_prep_slave_sg(spfi->tx_ch, xfer->tx_sg.sgl,
376 dma_async_issue_pending(spfi->tx_ch);
383 dmaengine_terminate_all(spfi->tx_ch);
402 dmaengine_terminate_all(spfi->tx_ch);
615 spfi->tx_ch = dma_request_chan(spfi->dev, "tx");
616 if (IS_ERR(spfi->tx_ch)) {
617 ret = PTR_ERR(spfi->tx_ch);
618 spfi->tx_ch = NULL;
631 if (!spfi->tx_ch || !spfi->rx_ch) {
632 if (spfi->tx_ch)
633 dma_release_channel(spfi->tx_ch);
636 spfi->tx_ch = NULL;
640 master->dma_tx = spfi->tx_ch;
658 if (spfi->tx_ch)
659 dma_release_channel(spfi->tx_ch);
674 if (spfi->tx_ch)
675 dma_release_channel(spfi->tx_ch);