Lines Matching refs:dma_rx
147 ctlr->dma_rx = dma_request_chan(dev, "rx");
148 if (IS_ERR_OR_NULL(ctlr->dma_rx)) {
149 if (IS_ERR(ctlr->dma_rx)) {
150 err = PTR_ERR(ctlr->dma_rx);
169 if (dmaengine_slave_config(ctlr->dma_rx, &slave_config)) {
190 if (!IS_ERR_OR_NULL(ctlr->dma_rx))
191 dma_release_channel(ctlr->dma_rx);
193 ctlr->dma_rx = NULL;
201 if (ctlr->dma_rx)
202 dma_release_channel(ctlr->dma_rx);
209 if (ctlr->dma_rx)
210 dmaengine_terminate_all(ctlr->dma_rx);
219 struct dma_chan *rxchan = ctlr->dma_rx;