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net: dsa: realtek: get internal MDIO node by name
The binding docs requires for SMI-connected devices that the switch must have a child node named "mdio" and with a compatible string of "realtek,smi-mdio". Meanwile, for MDIO-connected switches, the binding docs only requires a child node named "mdio". This patch changes the driver to use the common denominator for both interfaces, looking for the MDIO node by name, ignoring the compatible string. Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com> Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -333,7 +333,7 @@ static int realtek_smi_setup_mdio(struct dsa_switch *ds)
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struct device_node *mdio_np;
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int ret;
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mdio_np = of_get_compatible_child(priv->dev->of_node, "realtek,smi-mdio");
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mdio_np = of_get_child_by_name(priv->dev->of_node, "mdio");
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if (!mdio_np) {
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dev_err(priv->dev, "no MDIO bus node\n");
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return -ENODEV;
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