linux-kernel - Re: [PATCH 3/4] powerpc/powernv: remove dead NPU DMA code

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Date:   Wed, 19 Jun 2019 09:28:37 +0200
From:   Christoph Hellwig <hch@....de>
To:     Alexey Kardashevskiy <aik@...abs.ru>
Cc:     Christoph Hellwig <hch@....de>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] powerpc/powernv: remove dead NPU DMA code

On Wed, Jun 19, 2019 at 10:34:54AM +1000, Alexey Kardashevskiy wrote:
> 
> 
> On 23/05/2019 17:49, Christoph Hellwig wrote:
> > None of these routines were ever used since they were added to the
> > kernel.
> 
> 
> It is still being used exactly in the way as it was explained before in
> previous respins. Thanks.

Please point to the in-kernel user, because that is the only relevant
one.  This is not just my opinion but we had a clear discussion on that
at least years kernel summit.