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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>
This commit is contained in:
Shawn Guo 2011-09-22 14:48:13 +08:00 committed by Grant Likely
parent 611cad7201
commit ff05967a07
1 changed files with 7 additions and 4 deletions
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11
drivers/tty/serial/imx.c
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@ -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;