Lines Matching defs:rx_chan
69 struct dma_chan *rx_chan;
912 if (!cqspi->rx_chan || !virt_addr_valid(buf)) {
917 ddev = cqspi->rx_chan->device->dev;
923 tx = dmaengine_prep_dma_memcpy(cqspi->rx_chan, dma_dst, dma_src,
943 dma_async_issue_pending(cqspi->rx_chan);
946 dmaengine_terminate_sync(cqspi->rx_chan);
1119 cqspi->rx_chan = dma_request_chan_by_mask(&mask);
1120 if (IS_ERR(cqspi->rx_chan)) {
1121 int ret = PTR_ERR(cqspi->rx_chan);
1122 cqspi->rx_chan = NULL;
1343 if (cqspi->rx_chan)
1344 dma_release_channel(cqspi->rx_chan);