Lines Matching refs:dma_rx
309 if (!master->dma_rx || !master->dma_tx)
312 desc_rx = dmaengine_prep_slave_sg(master->dma_rx,
346 dma_async_issue_pending(master->dma_rx);
352 dmaengine_terminate_all(master->dma_rx);
383 ret = dmaengine_slave_config(master->dma_rx, &cfg);
554 dmaengine_terminate_all(master->dma_rx);
615 master->dma_rx = dma_request_chan(dev, "spi-rx");
616 if (IS_ERR(master->dma_rx)) {
617 if (PTR_ERR(master->dma_rx) == -EPROBE_DEFER)
622 master->dma_rx = NULL;
646 if (master->dma_rx) {
647 dma_release_channel(master->dma_rx);
648 master->dma_rx = NULL;
665 if (pic32s->master->dma_rx)
666 dma_release_channel(pic32s->master->dma_rx);