Lines Matching refs:dma_chan_tx
213 struct dma_chan *dma_chan_rx, *dma_chan_tx; member
519 struct dma_chan *chan = sport->dma_chan_tx; in imx_dma_tx()
987 if (sport->dma_chan_tx) { in imx_uart_dma_exit()
988 dma_release_channel(sport->dma_chan_tx); in imx_uart_dma_exit()
989 sport->dma_chan_tx = NULL; in imx_uart_dma_exit()
1026 sport->dma_chan_tx = dma_request_slave_channel(dev, "tx"); in imx_uart_dma_init()
1027 if (!sport->dma_chan_tx) { in imx_uart_dma_init()
1037 ret = dmaengine_slave_config(sport->dma_chan_tx, &slave_config); in imx_uart_dma_init()
1188 dmaengine_terminate_all(sport->dma_chan_tx); in imx_shutdown()
1232 if (!sport->dma_chan_tx) in imx_flush_buffer()
1236 dmaengine_terminate_all(sport->dma_chan_tx); in imx_flush_buffer()