diff options
| author |   Shawn Guo <shawn.guo@linaro.org> | 2011-09-22 14:48:13 +0800 |
|---|---|---|
| committer |   Grant Likely <grant.likely@secretlab.ca> | 2011-09-22 11:19:42 -0600 |
| commit | ff05967a07225ab675f6e03eb2d9c155d8c8671c (patch) | |
| tree | f46811c29c19fcad640bfff97eb81716f4972c13 /drivers/tty | |
| parent | dt: add of_alias_scan and of_alias_get_id (diff) | |
| download | linux-dev-ff05967a07225ab675f6e03eb2d9c155d8c8671c.tar.xz linux-dev-ff05967a07225ab675f6e03eb2d9c155d8c8671c.zip | |
serial/imx: add of_alias_get_id() reference back
As of_alias_get_id() gets fixed and ready for use, the patch adds the
of_alias_get_id() reference back to imx serial driver.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
[grant.likely: changed pr_err() to dev_err(), dropped unnecessary else]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/imx.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 7e91b3d368cd..99898773706c 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1286,17 +1286,20 @@ static int serial_imx_resume(struct platform_device *dev) static int serial_imx_probe_dt(struct imx_port *sport, struct platform_device *pdev) { - static int portnum = 0; struct device_node *np = pdev->dev.of_node; const struct of_device_id *of_id = of_match_device(imx_uart_dt_ids, &pdev->dev); + int ret; if (!np) return -ENODEV; - sport->port.line = portnum++; - if (sport->port.line >= UART_NR) - return -EINVAL; + ret = of_alias_get_id(np, "serial"); + if (ret < 0) { + dev_err(&pdev->dev, "failed to get alias id, errno %d\n", ret); + return -ENODEV; + } + sport->port.line = ret; if (of_get_property(np, "fsl,uart-has-rtscts", NULL)) sport->have_rtscts = 1; |