From mboxrd@z Thu Jan  1 00:00:00 1970
From: jgunthorpe@obsidianresearch.com (Jason Gunthorpe)
Date: Thu, 7 Feb 2013 11:15:59 -0700
Subject: [PATCH v2 19/27] pci: PCIe driver for Marvell Armada 370/XP
 systems
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 <5106F9F9.3010905@wwwdotorg.org> <20130129094143.1aad9377@skate>
 <20130129092006.GA16377@avionic-0098.mockup.avionic-design.de>
 <20130207112459.5f382ad4@skate>
 <CAErSpo7UOTGH7kjYBADymDdgmHwPxbXqczeXm1BH9C+XViQDRQ@mail.gmail.com>
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Message-ID: <20130207181559.GA31508@obsidianresearch.com>
To: linux-arm-kernel@lists.infradead.org
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On Thu, Feb 07, 2013 at 11:08:45AM -0700, Bjorn Helgaas wrote:
 
> I think the way you'll have to fix this in the meantime is to use
> pci_create_root_bus() directly so you can do things in this sequence:
> 
>   pci_create_root_bus
>   pci_scan_child_bus
>   pci_bus_assign_resources
>   pci_bus_add_devices
> 
> dino_probe() is an example of similar code that does this.

Erm, but isn't this problem going to strike any system that doesn't
have resources assigned by the firmware?

If so, a common 'pci_scan_bus_from_scratch' would at least highlight
the problem and centralize the work around until it is fixed...

Many embedded systems will require this..

Regards,
Jason