struct dsa_switch *ds = priv->ds;
struct device_node *mdio;
struct mii_bus *bus;
+ int err;
+
+ mdio = of_get_child_by_name(priv->dev->of_node, "mdio");
bus = devm_mdiobus_alloc(ds->dev);
- if (!bus)
- return -ENOMEM;
+ if (!bus) {
+ err = -ENOMEM;
+ goto out_put_node;
+ }
bus->priv = (void *)priv;
snprintf(bus->id, MII_BUS_ID_SIZE, "qca8k-%d.%d",
ds->user_mii_bus = bus;
/* Check if the devicetree declare the port:phy mapping */
- mdio = of_get_child_by_name(priv->dev->of_node, "mdio");
if (of_device_is_available(mdio)) {
bus->name = "qca8k user mii";
bus->read = qca8k_internal_mdio_read;
bus->write = qca8k_internal_mdio_write;
- return devm_of_mdiobus_register(priv->dev, bus, mdio);
+ err = devm_of_mdiobus_register(priv->dev, bus, mdio);
+ goto out_put_node;
}
/* If a mapping can't be found the legacy mapping is used,
bus->name = "qca8k-legacy user mii";
bus->read = qca8k_legacy_mdio_read;
bus->write = qca8k_legacy_mdio_write;
- return devm_mdiobus_register(priv->dev, bus);
+
+ err = devm_mdiobus_register(priv->dev, bus);
+
+out_put_node:
+ of_node_put(mdio);
+
+ return err;
}
static int