smsc911x suspend/resume

[Steve.Glendinning at smsc.com]

> > I don't have the code in front of me (I'm travelling today) but IIRC
> > the driver doesn't place the LAN9220 in a specific power saving state,
> > so as far as the LAN9220 is concerned it's not actually suspended.
> 
> It does, I added that awhile back in b6907b0c7. But as I say, this is
> currently hard-coded to D1, and if support for D2 is desired, we would
> need to make that a platform data option.

You're right, and I should remember as I reviewed it!

Steve