Lines Matching refs:rx_chan
80 struct dma_chan *rx_chan;
1306 if (!cqspi->rx_chan || !virt_addr_valid(buf)) {
1311 ddev = cqspi->rx_chan->device->dev;
1317 tx = dmaengine_prep_dma_memcpy(cqspi->rx_chan, dma_dst, dma_src,
1337 dma_async_issue_pending(cqspi->rx_chan);
1340 dmaengine_terminate_sync(cqspi->rx_chan);
1574 cqspi->rx_chan = dma_request_chan_by_mask(&mask);
1575 if (IS_ERR(cqspi->rx_chan)) {
1576 int ret = PTR_ERR(cqspi->rx_chan);
1578 cqspi->rx_chan = NULL;
1892 if (cqspi->rx_chan)
1893 dma_release_channel(cqspi->rx_chan);