Lines Matching refs:dma_tx_chan
242 struct dma_chan *dma_tx_chan; member
378 sport->dma_tx_desc = dmaengine_prep_slave_single(sport->dma_tx_chan, in lpuart_dma_tx()
391 dma_async_issue_pending(sport->dma_tx_chan); in lpuart_dma_tx()
462 dmaengine_terminate_all(sport->dma_tx_chan); in lpuart_flush_buffer()
972 dma_bus = dma_map_single(sport->dma_tx_chan->device->dev, in lpuart_dma_tx_request()
976 if (dma_mapping_error(sport->dma_tx_chan->device->dev, dma_bus)) { in lpuart_dma_tx_request()
986 ret = dmaengine_slave_config(sport->dma_tx_chan, &dma_tx_sconfig); in lpuart_dma_tx_request()
1095 if (sport->dma_tx_chan && !lpuart_dma_tx_request(port)) { in lpuart_startup()
1870 sport->dma_tx_chan = dma_request_slave_channel(sport->port.dev, "tx"); in lpuart_probe()
1871 if (!sport->dma_tx_chan) in lpuart_probe()
1891 if (sport->dma_tx_chan) in lpuart_remove()
1892 dma_release_channel(sport->dma_tx_chan); in lpuart_remove()