[PATCH v2 19/27] pci: PCIe driver for Marvell Armada 370/XP systems

[Bjorn Helgaas]

On Thu, Feb 7, 2013 at 11:15 AM, Jason Gunthorpe
<jgunthorpe at obsidianresearch.com> wrote:
> 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..

Yep, agreed on all counts.