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authorJohn Stultz <john.stultz@linaro.org>2011-10-26 13:48:49 -0700
committerJohn Stultz <john.stultz@linaro.org>2011-10-26 13:48:49 -0700
commit2216773fc021964a413409141d439de4f6a108f7 (patch)
tree7b2f8cdcdf5fb05d75bd92f0c8d9ac635ceec48c /drivers/tty/serial/imx.c
parent42ac8ca89aef66618e8ae2d6e48e3f523bfcd69d (diff)
parentaf1bdb79ca64ceadc7b44b11929b384eff66ce59 (diff)
Merge branch 'upstream/linaro-3.1' into linaro-android-3.1-agreen-rebaselinux-linaro-3.1-2011.10-2-android-0
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 7e91b3d368c..99898773706 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;