Lines Matching refs:dma_rx
148 ctlr->dma_rx = dma_request_chan(dev, "rx");
149 if (IS_ERR_OR_NULL(ctlr->dma_rx)) {
150 if (IS_ERR(ctlr->dma_rx)) {
151 err = PTR_ERR(ctlr->dma_rx);
170 if (dmaengine_slave_config(ctlr->dma_rx, &slave_config)) {
191 if (!IS_ERR_OR_NULL(ctlr->dma_rx))
192 dma_release_channel(ctlr->dma_rx);
194 ctlr->dma_rx = NULL;
202 if (ctlr->dma_rx)
203 dma_release_channel(ctlr->dma_rx);
210 if (ctlr->dma_rx)
211 dmaengine_terminate_all(ctlr->dma_rx);
220 struct dma_chan *rxchan = ctlr->dma_rx;