net: mdio-gpio: warn about missing bus alias id

Use a sane default bus id (rather than -ENODEV) and print a warning when
the bus alias id is missing.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Johan Hovold 2014-05-08 10:09:21 +02:00 committed by David S. Miller
parent 0953f78971
commit 7f52da56f7

View file

@ -215,6 +215,10 @@ static int mdio_gpio_probe(struct platform_device *pdev)
if (pdev->dev.of_node) {
pdata = mdio_gpio_of_get_data(pdev);
bus_id = of_alias_get_id(pdev->dev.of_node, "mdio-gpio");
if (bus_id < 0) {
dev_warn(&pdev->dev, "failed to get alias id\n");
bus_id = 0;
}
} else {
pdata = dev_get_platdata(&pdev->dev);
bus_id = pdev->id;