Re: pci_scan_bridge and cardbus controllers?

["Greg KH" <greg@kroah.com>]

On Wed, Dec 14, 2005 at 01:45:30PM -0600, Kumar Gala wrote:
> in pci_fixup_parent_subordinate_busnr() we will only reassign bus numbers 
> if pcibios_assign_all_busses() returns 1.
> 
> If we got to pci_fixup_parent_subordinate_busnr() and
> pcibios_assign_all_busses() returns 0, should we not print out some
> warning since we most likely got here because the bios didn't init things
> properly?
> 
> I came across this on an embedded system in which we had a cardbus 
> controller behind a P2P bridge.  The bios did not reserve any bus numbers 
> for the cardbus controller like linux does.  So I ended up with:

Ick.  Perhaps the pcmcia developers would know better what they want to
have done here?  Try asking on their list :)

thanks,

greg k-h
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