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ftgmac100: Make the MDIO bus a child of the ethernet device

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Populate mii_bus->parent with our own platform device before
registering, which makes it easier to locate the MDIO bus
in sysfs when trying to diagnose problems.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Benjamin Herrenschmidt 2017-07-24 16:59:07 +10:00 committed by David S. Miller
parent c7472ec4a0
commit d57b9db1ae
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/faraday/ftgmac100.c
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@ -1682,6 +1682,7 @@ static int ftgmac100_setup_mdio(struct net_device *netdev)
priv->mii_bus->name = "ftgmac100_mdio";
snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%d",
pdev->name, pdev->id);
priv->mii_bus->parent = priv->dev;
priv->mii_bus->priv = priv->netdev;
priv->mii_bus->read = ftgmac100_mdiobus_read;
priv->mii_bus->write = ftgmac100_mdiobus_write;