Lines Matching refs:dma_chan_tx
214 struct dma_chan *dma_chan_rx, *dma_chan_tx; member
522 struct dma_chan *chan = sport->dma_chan_tx; in imx_dma_tx()
994 if (sport->dma_chan_tx) { in imx_uart_dma_exit()
995 dma_release_channel(sport->dma_chan_tx); in imx_uart_dma_exit()
996 sport->dma_chan_tx = NULL; in imx_uart_dma_exit()
1034 sport->dma_chan_tx = dma_request_slave_channel(dev, "tx"); in imx_uart_dma_init()
1035 if (!sport->dma_chan_tx) { in imx_uart_dma_init()
1045 ret = dmaengine_slave_config(sport->dma_chan_tx, &slave_config); in imx_uart_dma_init()
1199 dmaengine_terminate_all(sport->dma_chan_tx); in imx_shutdown()
1243 if (!sport->dma_chan_tx) in imx_flush_buffer()
1247 dmaengine_terminate_all(sport->dma_chan_tx); in imx_flush_buffer()