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Subject: Re: use generic DMA mapping code in powerpc V4
From: Christian Zigotzky <chzigotzky@xenosoft.de>
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Date: Thu, 6 Dec 2018 18:10:54 +0100
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References: <20181129170351.GC27951@lst.de>
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To: Christoph Hellwig <hch@lst.de>
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Cc: linux-arch@vger.kernel.org, Darren Stevens <darren@stevens-zone.net>,
 linux-kernel@vger.kernel.org, Julian Margetson <runaway@candw.ms>,
 linux-mm@kvack.org, iommu@lists.linux-foundation.org,
 Paul Mackerras <paulus@samba.org>, Olof Johansson <olof@lixom.net>,
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Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org
Sender: "Linuxppc-dev"
 <linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org>

Please don=E2=80=99t merge this code. We are still testing and trying to fig=
ure out where the problems are in the code.

=E2=80=94 Christian

Sent from my iPhone

> On 6. Dec 2018, at 11:55, Christian Zigotzky <chzigotzky@xenosoft.de> wrot=
e:
>=20
>> On 05 December 2018 at 3:05PM, Christoph Hellwig wrote:
>>=20
>> Thanks.  Can you try a few stepping points in the tree?
>>=20
>> First just with commit 7fd3bb05b73beea1f9840b505aa09beb9c75a8c6
>> (the first one) applied?
>>=20
>> Second with all commits up to 5da11e49df21f21dac25a2491aa788307bdacb6b
>>=20
>> And if that still works with commits up to
>> c1bfcad4b0cf38ce5b00f7ad880d3a13484c123a
>>=20
> Hi Christoph,
>=20
> I undid the commit 7fd3bb05b73beea1f9840b505aa09beb9c75a8c6 with the follo=
wing command:
>=20
> git checkout 7fd3bb05b73beea1f9840b505aa09beb9c75a8c6
>=20
> Result: PASEMI onboard ethernet works again and the P5020 board boots.
>=20
> I will test the other commits in the next days.
>=20
> @All
> It is really important, that you also test Christoph's work on your PASEMI=
 and NXP boards. Could you please help us with solving the issues?
>=20
> 'git clone git://git.infradead.org/users/hch/misc.git -b powerpc-dma.5 a'
>=20
> Thanks,
> Christian
>=20