Re: [PATCH net-next] of: of_mdio: Check if MDIO bus controller is available

From: David Miller
Date: Sun May 01 2016 - 19:35:32 EST

From: Florian Fainelli <f.fainelli@xxxxxxxxx>
Date: Thu, 28 Apr 2016 14:55:10 -0700

> Add a check whether the 'struct device_node' pointer passed to
> of_mdiobus_register() is an available (aka enabled) node in the Device
> Tree.
> Rationale for doing this are cases where an Ethernet MAC provides a MDIO
> bus controller and node, and an additional Ethernet MAC might be
> connecting its PHY/switches to that first MDIO bus controller, while
> still embedding one internally which is therefore marked as "disabled".
> Instead of sprinkling checks like these in callers of
> of_mdiobus_register(), do this in a central location.
> Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>

Applied, thanks Florian.