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