[PATCHES] 11-pcmciaresource

Dominik Brodowski linux at dominikbrodowski.de
Sat Mar 27 13:55:57 GMT 2004

On Sat, Mar 27, 2004 at 11:32:09AM +0000, Russell King wrote:
> On Sat, Mar 27, 2004 at 12:25:27PM +0100, Dominik Brodowski wrote:
> > Many thanks for your informative reply.
> > 
> > I've just tested the updated 11-pcmcia patchset:
> > 
> > a) still resources are used which are beyond the "ioports/iomem behind
> >   bridge" of the parent PCI-PCI bridge. What's in
> >   s->cb_dev->bus->resource[] seems to be different from what lspci -vvv
> >   says...?
> Seeing the full kernel boot messages may provide some indication of
> why that is.  It sounds like the x86 pci subsystem may be treating
> the P2P bridge as a transparent bridge.  Could you forward lspci -vv
> and dmesg please?  May be best in private mail.

Indeed, it's a fixup in arch/i386/pci/quirks.c which denotes that these
types of Intel "PCI-PCI" bridges are "transparent" -- and that also explains
why the full area of resources is and can be used by the PCMCIA subsystem.

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