[PATCH 1/5] phylib: don't create a phydev for ID-less PHYs.

[Joakim Tjernlund]

On Fri, 2008-04-11 at 10:06 +0200, Stefan Roese wrote:
> On Friday 11 April 2008, Joakim Tjernlund wrote:
> > On Thu, 2008-04-10 at 13:51 -0400, Paul Gortmaker wrote:
> > > In addition to marking 0x0 as an invalid PHY ID, I've also
> > > changed the existing somewhat useless printk to actually
> > > list the bus IDs where it found a PHY so we get a basic
> > > bus summary.
> >
> > PHY ID 0x0 isn't an invalid id, I got a Broadcom PHY that has
> > PHY ID=0. Maybe I am misunderstanding something?
> 
> IIRC, address 0 is the PHY broadcast address, but can be used without problem 
> with some PHY's. I remember some designs were we had the PHY at address 0.

Ouh, if that is so, I guess we need a CONFIG option or a new mdio bus
property to select if PHY ID 0 is valid id or not.

 Jocke