Atheros 9220 don't return from S3 state

[Adrian Chadd]

.. and it may not be the slot power. It could also be the PCI bridge
(re) programming. It needs to have the right BAR and such programmed
into it, or it won't "route" things correctly to child slots.

I had this problem with cardbus a few months ago. After a resume, not
all of the relevant PCI config space registers were being restored..



Adrian