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24 lines
614 B
24 lines
614 B
5 years ago
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--- a/drivers/net/phy/ar40xx.c
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+++ b/drivers/net/phy/ar40xx.c
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@@ -2021,6 +2021,12 @@ static int ar40xx_probe(struct platform_
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/* register switch */
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swdev = &priv->dev;
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+ if (priv->mii_bus == NULL) {
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+ dev_err(&pdev->dev, "Probe failed - Missing PHYs!\n");
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+ ret = -ENODEV;
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+ goto err_missing_phy;
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+ }
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+
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swdev->alias = dev_name(&priv->mii_bus->dev);
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swdev->cpu_port = AR40XX_PORT_CPU;
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@@ -2052,6 +2058,7 @@ err_unregister_switch:
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unregister_switch(&priv->dev);
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err_unregister_phy:
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phy_driver_unregister(&ar40xx_phy_driver);
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+err_missing_phy:
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platform_set_drvdata(pdev, NULL);
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return ret;
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}
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