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Subject: Re: use generic DMA mapping code in powerpc V4
From: Christian Zigotzky <chzigotzky@xenosoft.de>
References: <20181129170351.GC27951@lst.de>
 <d0e04a85-f17d-414e-6fea-971414417430@xenosoft.de>
 <20181130105346.GB26765@lst.de>
 <8694431d-c669-b7b9-99fa-e99db5d45a7d@xenosoft.de>
 <20181130131056.GA5211@lst.de>
 <25999587-2d91-a63c-ed38-c3fb0075d9f1@xenosoft.de>
 <c5202d29-863d-1377-0e2d-762203b317e2@xenosoft.de>
 <58c61afb-290f-6196-c72c-ac7b61b84718@xenosoft.de>
 <20181204142426.GA2743@lst.de>
 <ef56d279-f75d-008e-71ba-7068c1b37c48@xenosoft.de>
 <20181205140550.GA27549@lst.de>
 <1948cf84-49ab-543c-472c-d18e27751903@xenosoft.de>
Message-ID: <5a2ea855-b4b0-e48a-5c3e-c859a8451ca2@xenosoft.de>
Date: Fri, 7 Dec 2018 14:45:06 +0100
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To: Christoph Hellwig <hch@lst.de>
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>, linuxppc-dev@lists.ozlabs.org

On 06 December 2018 at 11:55AM, Christian Zigotzky wrote:
> On 05 December 2018 at 3:05PM, Christoph Hellwig wrote:
>>
>> Thanks.  Can you try a few stepping points in the tree?
>>
>> First just with commit 7fd3bb05b73beea1f9840b505aa09beb9c75a8c6
>> (the first one) applied?
>>
>> Second with all commits up to 5da11e49df21f21dac25a2491aa788307bdacb6b
>>
>> And if that still works with commits up to
>> c1bfcad4b0cf38ce5b00f7ad880d3a13484c123a
>>
> Hi Christoph,
>
> I undid the commit 7fd3bb05b73beea1f9840b505aa09beb9c75a8c6 with the 
> following command:
>
> git checkout 7fd3bb05b73beea1f9840b505aa09beb9c75a8c6
>
> Result: PASEMI onboard ethernet works again and the P5020 board boots.
>
> I will test the other commits in the next days.
>
> @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?
>
> 'git clone git://git.infradead.org/users/hch/misc.git -b powerpc-dma.5 a'
>
> Thanks,
> Christian
>
>
Today I tested the commit 5da11e49df21f21dac25a2491aa788307bdacb6b.

git checkout 5da11e49df21f21dac25a2491aa788307bdacb6b

The PASEMI onboard ethernet works and the P5020 board boots.

-- Christian