Lines Matching refs:rx_chan
406 if (dma && dma->rx_chan) { in s3c24xx_serial_stop_rx()
408 dma_status = dmaengine_tx_status(dma->rx_chan, in s3c24xx_serial_stop_rx()
413 dmaengine_terminate_all(dma->rx_chan); in s3c24xx_serial_stop_rx()
462 dmaengine_tx_status(dma->rx_chan, dma->rx_cookie, &state); in s3c24xx_serial_rx_dma_complete()
488 dma->rx_desc = dmaengine_prep_slave_single(dma->rx_chan, in s3c64xx_start_rx_dma()
501 dma_async_issue_pending(dma->rx_chan); in s3c64xx_start_rx_dma()
576 dmaengine_pause(dma->rx_chan); in s3c24xx_serial_rx_chars_dma()
577 dmaengine_tx_status(dma->rx_chan, dma->rx_cookie, &state); in s3c24xx_serial_rx_chars_dma()
578 dmaengine_terminate_all(dma->rx_chan); in s3c24xx_serial_rx_chars_dma()
696 if (ourport->dma && ourport->dma->rx_chan) in s3c24xx_serial_rx_chars()
873 dma->rx_chan = dma_request_slave_channel_compat(mask, dma->fn, in s3c24xx_serial_request_dma()
875 if (!dma->rx_chan) in s3c24xx_serial_request_dma()
878 dmaengine_slave_config(dma->rx_chan, &dma->rx_conf); in s3c24xx_serial_request_dma()
883 dma_release_channel(dma->rx_chan); in s3c24xx_serial_request_dma()
895 dma_release_channel(dma->rx_chan); in s3c24xx_serial_request_dma()
918 if (dma->rx_chan) { in s3c24xx_serial_release_dma()
919 dmaengine_terminate_all(dma->rx_chan); in s3c24xx_serial_release_dma()
923 dma_release_channel(dma->rx_chan); in s3c24xx_serial_release_dma()
924 dma->rx_chan = NULL; in s3c24xx_serial_release_dma()