[PATCH v7 25/50] powerpc/powernv: Reserve PE for root bus

Alexey Kardashevskiy aik at ozlabs.ru
Thu Nov 19 11:21:48 AEDT 2015


On 11/17/2015 08:06 PM, Gavin Shan wrote:
> On Tue, Nov 17, 2015 at 05:04:42PM +1100, Alexey Kardashevskiy wrote:
>> On 11/05/2015 12:12 AM, Gavin Shan wrote:
>>> We're going to reserve/assign PEs when pcibios_setup_bridge() is
>>> called. The function won't be called for root bus as it doesn't
>>> have parent bridge. However, the root bus still needs a PE to be
>>> covered.
>>>
>>> This reserves PE numbers that are adjacent to the reserved one
>>> for root buses.
>>
>>
>> Somewhere in the patchset you need to describe why you need a separate PE for
>> a root bus and why reserved_pe_idx is not enough for this.
>>
>
> Please confirm if it's fine to add the descrption in this patch's chagelog.

Yes, it is fine. Thanks!


-- 
Alexey


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