Lines Matching refs:chn
113 struct dma_chan *chn;
181 dmaengine_terminate_all(sp->rx_dma.chn);
212 dmaengine_pause(sp->tx_dma.chn);
214 dmaengine_tx_status(sp->tx_dma.chn, sp->tx_dma.cookie, &state);
222 dmaengine_terminate_all(sp->tx_dma.chn);
279 dma_des = dmaengine_prep_slave_single(ud->chn, ud->phys_addr, trans_len,
291 dma_async_issue_pending(ud->chn);
310 ret = dmaengine_slave_config(sp->tx_dma.chn, &cfg);
381 return dmaengine_slave_config(sp->rx_dma.chn, &cfg);
402 status = dmaengine_tx_status(sp->rx_dma.chn,
434 status = dmaengine_tx_status(sp->rx_dma.chn,
483 dma_release_channel(sp->rx_dma.chn);
486 dma_release_channel(sp->tx_dma.chn);
500 sp->tx_dma.chn = dma_request_chan(port->dev, "tx");
501 if (IS_ERR(sp->tx_dma.chn)) {
503 PTR_ERR(sp->tx_dma.chn));
507 sp->rx_dma.chn = dma_request_chan(port->dev, "rx");
508 if (IS_ERR(sp->rx_dma.chn)) {
510 PTR_ERR(sp->rx_dma.chn));
680 dma_release_channel(sp->rx_dma.chn);