Lines Matching defs:rx_chan
90 struct dma_chan *rx_chan;
290 desc = dmaengine_prep_slave_single(db->rx_chan, rxbuf, count,
316 dma_async_issue_pending(db->rx_chan);
734 if (rxlen >= dev->mtu && db->rx_chan) {
930 db->rx_chan = dma_request_chan(&pdev->dev, "rx");
931 if (IS_ERR(db->rx_chan)) {
934 err = PTR_ERR(db->rx_chan);
946 err = dmaengine_slave_config(db->rx_chan, &conf);
956 dma_release_channel(db->rx_chan);
959 db->rx_chan = NULL;
1075 dma_release_channel(db->rx_chan);
1091 if (db->rx_chan) {
1092 dmaengine_terminate_all(db->rx_chan);
1093 dma_release_channel(db->rx_chan);