Re: [PATCH v6 11/11] of: mdio: Prevent of_mdiobus_register from scanning mdio-mux nodes

From: Andrew Lunn
Date: Thu Oct 05 2017 - 18:22:22 EST

> Looking at this some more, why can't mdio-mux-mmio be used?

Hi Rob

That was my first thought. And then i dug into the details. The mux is
more than just a couple of bits in an address space. Clocks needs to
be enabled/disabled, and the MAC needs a reset, when the mux changes.
So the mux needs intimate knowledge of MAC.