From: Andrew Lunn <and...@lunn.ch> Date: Mon, 11 Apr 2016 21:40:05 +0200
> MDIO devices can be stacked upon each other. The current code supports > two levels, which until recently has been enough for a DSA mdio bus on > top of another bus. Now we have hardware which has an MDIO mux in the > middle. > > Define an MDIO MUTEX class with three levels. > > Signed-off-by: Andrew Lunn <and...@lunn.ch> Applied, thanks Andrew.
