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Searched refs:rx_dma_chan (Results 1 – 9 of 9) sorted by relevance

/Linux-v5.4/drivers/tty/serial/
Dsirfsoc_uart.c292 if (sirfport->rx_dma_chan) { in sirfsoc_uart_stop_rx()
304 dmaengine_terminate_all(sirfport->rx_dma_chan); in sirfsoc_uart_stop_rx()
520 if (!sirfport->rx_dma_chan && in sirfsoc_uart_isr()
607 dmaengine_prep_dma_cyclic(sirfport->rx_dma_chan, in sirfsoc_uart_start_next_rx_dma()
620 dma_async_issue_pending(sirfport->rx_dma_chan); in sirfsoc_uart_start_next_rx_dma()
859 if (sirfport->rx_dma_chan) in sirfsoc_uart_set_termios()
934 if (sirfport->rx_dma_chan) in sirfsoc_uart_startup()
960 sirfport->rx_dma_chan) in sirfsoc_uart_startup()
964 sirfport->rx_dma_chan) in sirfsoc_uart_startup()
968 if (sirfport->rx_dma_chan && !sirfport->is_hrt_enabled) { in sirfsoc_uart_startup()
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Dserial-tegra.c126 struct dma_chan *rx_dma_chan; member
723 status = dmaengine_tx_status(tup->rx_dma_chan, tup->rx_cookie, &state); in tegra_uart_rx_dma_complete()
753 dmaengine_terminate_all(tup->rx_dma_chan); in tegra_uart_handle_rx_dma()
754 dmaengine_tx_status(tup->rx_dma_chan, tup->rx_cookie, &state); in tegra_uart_handle_rx_dma()
766 tup->rx_dma_desc = dmaengine_prep_slave_single(tup->rx_dma_chan, in tegra_uart_start_rx_dma()
780 dma_async_issue_pending(tup->rx_dma_chan); in tegra_uart_start_rx_dma()
906 if (tup->rx_dma_chan && !tup->use_rx_pio) { in tegra_uart_stop_rx()
907 dmaengine_terminate_all(tup->rx_dma_chan); in tegra_uart_stop_rx()
908 dmaengine_tx_status(tup->rx_dma_chan, tup->rx_cookie, &state); in tegra_uart_stop_rx()
1098 dmaengine_terminate_all(tup->rx_dma_chan); in tegra_uart_dma_channel_free()
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Dmxs-auart.c442 struct dma_chan *rx_dma_chan; member
875 struct dma_chan *channel = s->rx_dma_chan; in mxs_auart_dma_prep_rx()
913 if (s->rx_dma_chan) { in mxs_auart_dma_exit_channel()
914 dma_release_channel(s->rx_dma_chan); in mxs_auart_dma_exit_channel()
915 s->rx_dma_chan = NULL; in mxs_auart_dma_exit_channel()
942 s->rx_dma_chan = dma_request_slave_channel(s->dev, "rx"); in mxs_auart_dma_init()
943 if (!s->rx_dma_chan) in mxs_auart_dma_init()
Dsirfsoc_uart.h421 struct dma_chan *rx_dma_chan; member
/Linux-v5.4/drivers/spi/
Dspi-tegra20-slink.c196 struct dma_chan *rx_dma_chan; member
455 tspi->rx_dma_desc = dmaengine_prep_slave_single(tspi->rx_dma_chan, in tegra_slink_start_rx_dma()
467 dma_async_issue_pending(tspi->rx_dma_chan); in tegra_slink_start_rx_dma()
634 tspi->rx_dma_chan = dma_chan; in tegra_slink_init_dma_param()
659 dma_chan = tspi->rx_dma_chan; in tegra_slink_deinit_dma_param()
661 tspi->rx_dma_chan = NULL; in tegra_slink_deinit_dma_param()
911 dmaengine_terminate_all(tspi->rx_dma_chan); in handle_dma_based_xfer()
917 dmaengine_terminate_all(tspi->rx_dma_chan); in handle_dma_based_xfer()
1166 if (tspi->rx_dma_chan) in tegra_slink_remove()
Dspi-tegra114.c212 struct dma_chan *rx_dma_chan; member
495 tspi->rx_dma_desc = dmaengine_prep_slave_single(tspi->rx_dma_chan, in tegra_spi_start_rx_dma()
507 dma_async_issue_pending(tspi->rx_dma_chan); in tegra_spi_start_rx_dma()
601 ret = dmaengine_slave_config(tspi->rx_dma_chan, &dma_sconfig); in tegra_spi_start_dma_based_transfer()
688 tspi->rx_dma_chan = dma_chan; in tegra_spi_init_dma_param()
708 dma_chan = tspi->rx_dma_chan; in tegra_spi_deinit_dma_param()
710 tspi->rx_dma_chan = NULL; in tegra_spi_deinit_dma_param()
1079 dmaengine_terminate_all(tspi->rx_dma_chan); in tegra_spi_transfer_one_message()
1191 dmaengine_terminate_all(tspi->rx_dma_chan); in handle_dma_based_xfer()
1197 dmaengine_terminate_all(tspi->rx_dma_chan); in handle_dma_based_xfer()
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/Linux-v5.4/drivers/i2c/busses/
Di2c-tegra.c276 struct dma_chan *rx_dma_chan; member
366 chan = i2c_dev->msg_read ? i2c_dev->rx_dma_chan : i2c_dev->tx_dma_chan; in tegra_i2c_dma_submit()
395 if (i2c_dev->rx_dma_chan) { in tegra_i2c_release_dma()
396 dma_release_channel(i2c_dev->rx_dma_chan); in tegra_i2c_release_dma()
397 i2c_dev->rx_dma_chan = NULL; in tegra_i2c_release_dma()
422 i2c_dev->rx_dma_chan = chan; in tegra_i2c_init_dma()
919 dmaengine_terminate_async(i2c_dev->rx_dma_chan); in tegra_i2c_isr()
956 chan = i2c_dev->rx_dma_chan; in tegra_i2c_config_fifo_trig()
1184 i2c_dev->rx_dma_chan : in tegra_i2c_xfer_msg()
1201 i2c_dev->rx_dma_chan : in tegra_i2c_xfer_msg()
/Linux-v5.4/drivers/ntb/
Dntb_transport.c136 struct dma_chan *rx_dma_chan; member
543 qp->rx_dma_chan ? "Yes" : "No"); in debugfs_read()
1526 struct dma_chan *chan = qp->rx_dma_chan; in ntb_async_rx_submit()
1593 struct dma_chan *chan = qp->rx_dma_chan; in ntb_async_rx()
1705 if (i && qp->rx_dma_chan) in ntb_transport_rxc_db()
1706 dma_async_issue_pending(qp->rx_dma_chan); in ntb_transport_rxc_db()
2024 qp->rx_dma_chan = in ntb_transport_create_queue()
2027 if (!qp->rx_dma_chan) in ntb_transport_create_queue()
2031 qp->rx_dma_chan = NULL; in ntb_transport_create_queue()
2051 qp->rx_dma_chan ? "DMA" : "CPU"); in ntb_transport_create_queue()
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/Linux-v5.4/drivers/net/ethernet/
Dec_bhf.c132 int rx_dma_chan; member
272 priv->rx_dma_chan = ioread8(ec_info + INFO_BLOCK_RX_CHAN); in ec_bhf_setup_offsets()
400 err = ec_bhf_alloc_dma_mem(priv, &priv->rx_buf, priv->rx_dma_chan, in ec_bhf_open()