Lines Matching refs:rx_chan
401 if (dma && dma->rx_chan) { in s3c24xx_serial_stop_rx()
403 dma_status = dmaengine_tx_status(dma->rx_chan, in s3c24xx_serial_stop_rx()
408 dmaengine_terminate_all(dma->rx_chan); in s3c24xx_serial_stop_rx()
457 dmaengine_tx_status(dma->rx_chan, dma->rx_cookie, &state); in s3c24xx_serial_rx_dma_complete()
483 dma->rx_desc = dmaengine_prep_slave_single(dma->rx_chan, in s3c64xx_start_rx_dma()
496 dma_async_issue_pending(dma->rx_chan); in s3c64xx_start_rx_dma()
571 dmaengine_pause(dma->rx_chan); in s3c24xx_serial_rx_chars_dma()
572 dmaengine_tx_status(dma->rx_chan, dma->rx_cookie, &state); in s3c24xx_serial_rx_chars_dma()
573 dmaengine_terminate_all(dma->rx_chan); in s3c24xx_serial_rx_chars_dma()
699 if (ourport->dma && ourport->dma->rx_chan) in s3c24xx_serial_rx_chars()
874 dma->rx_chan = dma_request_chan(p->port.dev, "rx"); in s3c24xx_serial_request_dma()
876 if (IS_ERR(dma->rx_chan)) { in s3c24xx_serial_request_dma()
878 ret = PTR_ERR(dma->rx_chan); in s3c24xx_serial_request_dma()
882 ret = dma_get_slave_caps(dma->rx_chan, &dma_caps); in s3c24xx_serial_request_dma()
890 dmaengine_slave_config(dma->rx_chan, &dma->rx_conf); in s3c24xx_serial_request_dma()
945 dma_release_channel(dma->rx_chan); in s3c24xx_serial_request_dma()
956 if (dma->rx_chan) { in s3c24xx_serial_release_dma()
957 dmaengine_terminate_all(dma->rx_chan); in s3c24xx_serial_release_dma()
961 dma_release_channel(dma->rx_chan); in s3c24xx_serial_release_dma()
962 dma->rx_chan = NULL; in s3c24xx_serial_release_dma()