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authorShawn Guo <shawn.guo@linaro.org>2011-09-22 14:48:13 +0800
committerGrant Likely <grant.likely@secretlab.ca>2011-09-22 11:19:42 -0600
commitff05967a07225ab675f6e03eb2d9c155d8c8671c (patch)
treef46811c29c19fcad640bfff97eb81716f4972c13 /drivers/tty/serial/imx.c
parent611cad720148c899db5a383c1c676fd820df7023 (diff)
downloadop-kernel-dev-ff05967a07225ab675f6e03eb2d9c155d8c8671c.zip
op-kernel-dev-ff05967a07225ab675f6e03eb2d9c155d8c8671c.tar.gz
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/serial/imx.c')
-rw-r--r--drivers/tty/serial/imx.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 7e91b3d..9989877 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;
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