phy: micrel: Fix finding PHY properties in MAC node.
commit 8b63ec18 ("phylib: Make PHYs children of their MDIO bus, not the bus' parent.") changed the parenting of PHY devices, making them a child of the MDIO bus, instead of the MAC device. This broken the Micrel PHY driver which has a deprecated feature of allowing PHY properties to be placed into the MAC node. In order to find the MAC node, we need to walk up the tree of devices until we find one with an OF node attached. Reported-by: Dinh Nguyen <dinguyen@opensource.altera.com> Suggested-by: David Daney <david.daney@cavium.com> Acked-by: David Daney <david.daney@cavium.com> Fixes: 8b63ec18 ("phylib: Make PHYs children of their MDIO bus, not the bus' parent.") Signed-off-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Dinh Nguyen <dinguyen@opensource.altera.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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