From: David Daney <ddaney.cavm@xxxxxxxxx> Date: Wed, 18 Apr 2012 16:20:53 -0700 > +config MDIO_BUS_MUX > + tristate > + help > + This module provides a driver framework for MDIO bus > + multiplexers which connect one of several child MDIO busses > + to a parent bus. Switching between child busses is done by > + device specific drivers. > + This driver uses OF and OF_MDIO, and therefore need dependencies upon them. Otherwise it can be enabled in configurations which will result in build failures.