diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:03 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:03 +0000 |
| commit | 01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch) | |
| tree | b406c5242a088c4f59c6e4b719b783f43aca6ae9 /drivers/tty/serial/imx.c | |
| parent | Adding upstream version 6.7.12. (diff) | |
| download | linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip | |
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/tty/serial/imx.c')
| -rw-r--r-- | drivers/tty/serial/imx.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 5545bf4a79..e148132506 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1350,15 +1350,18 @@ static int imx_uart_dma_init(struct imx_port *sport) { struct dma_slave_config slave_config = {}; struct device *dev = sport->port.dev; + struct dma_chan *chan; int ret; /* Prepare for RX : */ - sport->dma_chan_rx = dma_request_slave_channel(dev, "rx"); - if (!sport->dma_chan_rx) { + chan = dma_request_chan(dev, "rx"); + if (IS_ERR(chan)) { dev_dbg(dev, "cannot get the DMA channel.\n"); - ret = -EINVAL; + sport->dma_chan_rx = NULL; + ret = PTR_ERR(chan); goto err; } + sport->dma_chan_rx = chan; slave_config.direction = DMA_DEV_TO_MEM; slave_config.src_addr = sport->port.mapbase + URXD0; @@ -1380,12 +1383,14 @@ static int imx_uart_dma_init(struct imx_port *sport) sport->rx_ring.buf = sport->rx_buf; /* Prepare for TX : */ - sport->dma_chan_tx = dma_request_slave_channel(dev, "tx"); - if (!sport->dma_chan_tx) { + chan = dma_request_chan(dev, "tx"); + if (IS_ERR(chan)) { dev_err(dev, "cannot get the TX DMA channel!\n"); - ret = -EINVAL; + sport->dma_chan_tx = NULL; + ret = PTR_ERR(chan); goto err; } + sport->dma_chan_tx = chan; slave_config.direction = DMA_MEM_TO_DEV; slave_config.dst_addr = sport->port.mapbase + URTX0; @@ -2469,13 +2474,11 @@ err_clk: return ret; } -static int imx_uart_remove(struct platform_device *pdev) +static void imx_uart_remove(struct platform_device *pdev) { struct imx_port *sport = platform_get_drvdata(pdev); uart_remove_one_port(&imx_uart_uart_driver, &sport->port); - - return 0; } static void imx_uart_restore_context(struct imx_port *sport) @@ -2644,7 +2647,7 @@ static const struct dev_pm_ops imx_uart_pm_ops = { static struct platform_driver imx_uart_platform_driver = { .probe = imx_uart_probe, - .remove = imx_uart_remove, + .remove_new = imx_uart_remove, .driver = { .name = "imx-uart", |