On Thu, Jun 13, 2013 at 8:30 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
>> diff --git a/drivers/pci/hotplug/acpiphp_glue.c
>> b/drivers/pci/hotplug/acpiphp_gl
>> index 270fdba..12e3f6e 100644
>> --- a/drivers/pci/hotplug/acpiphp_glue.c
>> +++ b/drivers/pci/hotplug/acpiphp_glue.c
>> @@ -837,13 +837,13 @@ static int __ref enable_device(struct acpiphp_slot
>> *slot)
>> max = pci_scan_bridge(bus, dev, max, pass);
>> if (pass && dev->subordinate) {
>> check_hotplug_bridge(slot, dev);
>> - pci_bus_size_bridges(dev->subordinate);
>> + pcibios_resource_survey_bus(dev->subordi
>> }
>> }
>> }
>> }
>>
>> - pci_bus_assign_resources(bus);
>> + pci_assign_unassigned_bus_resources(bus);
>> acpiphp_sanitize_bus(bus);
>> acpiphp_set_hpp_values(bus);
>> acpiphp_set_acpi_region(slot);
>> ---
>
> Yes, it should help. but may need to after pcibios_add_bus move down patch.
>
> otherwise, we could enable children slot and survery them and assign
> unassigned for them at first
> and then go to parent slots.
> that will make children slots survey fails, that is too early and
> should be done after parent slots.
oh, it seems we should get enable_slot called children slots before parent slots
finished.
so should not need "pcibios_add_bus move down" patch.
Yinghai
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