Lines Matching refs:dma_chan_tx
224 struct dma_chan *dma_chan_rx, *dma_chan_tx; member
638 struct dma_chan *chan = sport->dma_chan_tx; in imx_uart_dma_tx()
1307 if (sport->dma_chan_tx) { in imx_uart_dma_exit()
1308 dmaengine_terminate_sync(sport->dma_chan_tx); in imx_uart_dma_exit()
1309 dma_release_channel(sport->dma_chan_tx); in imx_uart_dma_exit()
1310 sport->dma_chan_tx = NULL; in imx_uart_dma_exit()
1348 sport->dma_chan_tx = dma_request_slave_channel(dev, "tx"); in imx_uart_dma_init()
1349 if (!sport->dma_chan_tx) { in imx_uart_dma_init()
1359 ret = dmaengine_slave_config(sport->dma_chan_tx, &slave_config); in imx_uart_dma_init()
1527 dmaengine_terminate_sync(sport->dma_chan_tx); in imx_uart_shutdown()
1600 if (!sport->dma_chan_tx) in imx_uart_flush_buffer()
1604 dmaengine_terminate_all(sport->dma_chan_tx); in imx_uart_flush_buffer()