Re: ACPI-based PCI resources: PCMCIA bugfix, but resources missing in trees

From: Dominik Brodowski
Date: Sun Jun 26 2005 - 15:15:41 EST


On Sun, Jun 26, 2005 at 12:17:10PM -0700, Andrew Morton wrote:
> Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> wrote:
> >
> > On Sun, Jun 26, 2005 at 04:03:29AM -0700, Andrew Morton wrote:
> > > - Lots of merges. I'm holding off on the 80-odd pcmcia patches until we get
> > > the recent PCI breakage sorted out.
> >
> > pci-yenta-cardbus-fix.patch and the following patch should solve the
> > initialization time trouble. However, the ACPI-based PCI resource handling
> > is badly broken, IMHO:
> >
> > - many resources of devices don't show up in the resource trees (
> > /proc/iomem and /proc/ioports) any longer. This means that PCMCIA, but
> > also possibly other subsystems (ISA, PnP, ...) do not know which resources
> > it cannot use.
>
> Is this a recent regression? Is it only in -mm?

Yes. Yes.

> IOW: can you identify the bad patch? Or the bad patcher ;)

gregkh-pci-pci-collect-host-bridge-resources-02.patch

> > - verify_root_windows() should fail if there are no iomem _or_ ioport
> > resources, not only if there are no iomem _and_ ioport resources.
>
> This too.

Same one.

Thanks,
Dominik
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