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SubjectRe: [PATCH 3/4] powerpc/powernv: remove dead NPU DMA code
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On 20/06/2019 16:21, Christoph Hellwig wrote:
> On Thu, Jun 20, 2019 at 04:20:08PM +1000, Alexey Kardashevskiy wrote:
>>
>>
>> On 20/06/2019 16:03, Christoph Hellwig wrote:
>>> Hi Linus,
>>>
>>> this goes back to the discussion at last years kernel summit, where
>>> we had the discussion on removing code never used by any in-kernel
>>> user an no prospects of one. The IBM folks are unfortunately still
>>> dragging their feet on the powerpc side. Can we revise this discussion?
>>>
>>> The use case here is a IBM specific bus for which they only have an
>>> out of tree driver that their partner doesn't want to submit for mainline,
>>> but keep insisting on keeping the code around (which is also built
>>> uncondіtionally for the platform).
>>
>>
>> I personally keep insisting on correct commit logs, i.e. not calling
>> working code dead and providing actual reasons for the change. Thanks,
>
> If that is the only thing you are complaining about I can clarify it
> a little of course.

Please do so. For me the problem is that if a maintainer decides to pull
that then so be it but I want that person to know exactly what is
happening. As it is now - the code may seem dead as nobody complains so
- I complained.


> But it didn't sound like that was the actual
> problem.

I'd like to see some formal statement in a written form about where we
stand in regard to the out-of-tree drivers support^wacceptability
(cannot pick the right word). Thanks,


--
Alexey

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