Re: [PATCH] PCI: remove pcibios_scan_all_fns()

[Benjamin Herrenschmidt]

On Tue, 2009-06-23 at 13:34 -0700, Jeremy Fitzhardinge wrote:
> On reflection, I think this will work.  We have a Xen pci passthrough
> driver which gets told about the passed-through devices via xenbus,
> and
> does the appropriate setup.  At first glance, there doesn't seem to be
> any problem with that code just explicitly instantiate the devices at
> the PCI level in the same way pci_scan_device does (ie,
> alloc_pci_device, initalize the dev struct, pci_setup_device).
> 
> Is that what you mean?
> 
> IanC has looked at that code more closely, so perhaps he can confirm
> that this will work on our side.
> 
Yes, we do that in arch/powerpc/kernel/pci_64.c (and somewhere in
arch/sparc too). I'll merge those 2 implementations one of these days
and move them to drivers/of.

I think Willy was actually suggesting that you start using our
OF/device-tree stuff though which is a slightly more invasive deal but
might end up useful for other things in the long run :-)

Cheers,
Ben.


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