Re: enabling PCI_*_FIXUP in GENERIC

["Steven M. Bellovin" <smb%cs.columbia.edu@localhost>]

On Tue, 10 Jun 2008 13:56:42 +0200
Joerg Sonnenberger <joerg%britannica.bec.de@localhost> wrote:

> On Mon, Jun 09, 2008 at 03:20:41PM -0500, David Young wrote:
> > Why aren't PCI_*_FIXUP enabled in GENERIC?  They are essential to
> > make the PCI-CardBus bridge work on many laptops.  Is there a known
> > downside to enabling them?
> 
> Most of them should not be needed with ACPI at all. So can you be more
> precise what is needed?
> 
I was told that I needed to use PCI_ADDR_FIXUP and PCI_BUS_FIXUP to
properly initialize some registers on amd64; without that -- or at
least without other, special code -- I can't get at my Cardbus slot.


                --Steve Bellovin, http://www.cs.columbia.edu/~smb