On Mon, Feb 03, 2014 at 09:12:32PM +0100, Arnd Bergmann wrote:

Are you sure that is true for the root bridge as well? I don't
remember the details, but I though that for the host bridge,
we don't actually look at the BARs at all.

That is right, but this isn't a host bridge device, it is a PCI-PCI
bridge with root complex registers. The root complex bridge is not the
same as the host bridge.

Unfortunately the implementation is non-conforming. :(

Jason