Lines Matching refs:chan_rx
117 struct dma_chan *chan_rx; member
219 dmaengine_terminate_all(dma->chan_rx); in at91_twi_dma_cleanup()
414 struct dma_chan *chan_rx = dma->chan_rx; in at91_twi_read_data_dma() local
446 rxdesc = dmaengine_prep_slave_sg(chan_rx, dma->sg, 1, DMA_DEV_TO_MEM, in at91_twi_read_data_dma()
458 dma_async_issue_pending(dma->chan_rx); in at91_twi_read_data_dma()
936 dma->chan_rx = dma_request_slave_channel_reason(dev->dev, "rx"); in at91_twi_configure_dma()
937 if (IS_ERR(dma->chan_rx)) { in at91_twi_configure_dma()
938 ret = PTR_ERR(dma->chan_rx); in at91_twi_configure_dma()
939 dma->chan_rx = NULL; in at91_twi_configure_dma()
951 if (dmaengine_slave_config(dma->chan_rx, &slave_config)) { in at91_twi_configure_dma()
963 dma_chan_name(dma->chan_tx), dma_chan_name(dma->chan_rx)); in at91_twi_configure_dma()
970 if (dma->chan_rx) in at91_twi_configure_dma()
971 dma_release_channel(dma->chan_rx); in at91_twi_configure_dma()