Lines Matching refs:dma_chan_tx
225 struct dma_chan *dma_chan_rx, *dma_chan_tx; member
638 struct dma_chan *chan = sport->dma_chan_tx; in imx_uart_dma_tx()
1318 if (sport->dma_chan_tx) { in imx_uart_dma_exit()
1319 dmaengine_terminate_sync(sport->dma_chan_tx); in imx_uart_dma_exit()
1320 dma_release_channel(sport->dma_chan_tx); in imx_uart_dma_exit()
1321 sport->dma_chan_tx = NULL; in imx_uart_dma_exit()
1358 sport->dma_chan_tx = dma_request_slave_channel(dev, "tx"); in imx_uart_dma_init()
1359 if (!sport->dma_chan_tx) { in imx_uart_dma_init()
1369 ret = dmaengine_slave_config(sport->dma_chan_tx, &slave_config); in imx_uart_dma_init()
1535 dmaengine_terminate_sync(sport->dma_chan_tx); in imx_uart_shutdown()
1597 if (!sport->dma_chan_tx) in imx_uart_flush_buffer()
1601 dmaengine_terminate_all(sport->dma_chan_tx); in imx_uart_flush_buffer()