PCI Probe Question

Greg KH gregkh at us.ibm.com
Wed Jan 28 08:05:29 EST 2004

On Tue, Jan 27, 2004 at 02:52:50PM -0600, John Rose wrote:
> Hi Greg-
> Thanks for responding.  I think Paul answered your other questions
> better than I could have :)
> > How do you all handle this in your boot up code then?
> Not sure I understand what you're asking, but I believe that the
> hypervisor only allows access (during scan of the PHB device) to the
> devfn's corresponding to the slots that your partition currently owns.

But doesn't the ppc64 start up code eventually call pci_scan_slot()?  I
haven't looked through your startup code to determine this or not.

> > If you convince me you really have to do this, why duplicate the
> > existing pci code in your driver?  How about just creating a
> > pci_scan_single_device() function for the pci core that does that logic
> > (and make pci_scan_slot() call it.)
> Agreed.  I initially wanted to minimize my changes to generic code, but
> this looks better.  How's this patch?

How about a patch against a clean kernel so I can see it better?  :)


greg k-h

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