linux-kernel - Re: use generic DMA mapping code in powerpc V4

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Message-ID: <594beaae-9681-03de-9f42-191cc7d2f8e3@xenosoft.de>
Date:   Sun, 3 Feb 2019 17:49:02 +0100
From:   Christian Zigotzky <chzigotzky@...osoft.de>
To:     Christoph Hellwig <hch@....de>
Cc:     linux-arch@...r.kernel.org,
        Darren Stevens <darren@...vens-zone.net>,
        linux-kernel@...r.kernel.org, Julian Margetson <runaway@...dw.ms>,
        linux-mm@...ck.org, iommu@...ts.linux-foundation.org,
        Paul Mackerras <paulus@...ba.org>,
        Olof Johansson <olof@...om.net>, linuxppc-dev@...ts.ozlabs.org
Subject: Re: use generic DMA mapping code in powerpc V4

OK, next step: b50f42f0fe12965ead395c76bcb6a14f00cdf65b (powerpc/dma: 
use the dma_direct mapping routines)

git clone git://git.infradead.org/users/hch/misc.git -b powerpc-dma.6 a

git checkout b50f42f0fe12965ead395c76bcb6a14f00cdf65b

Results: The X1000 and X5000 boot but unfortunately the P.A. Semi 
Ethernet doesn't work.

-- Christian


On 01 February 2019 at 5:54PM, Christian Zigotzky wrote:
> Hi Christoph,
>
> I will try it at the weekend.
>
> Thanks,
> Christian
>
> Sent from my iPhone
>
>> On 1. Feb 2019, at 09:04, Christoph Hellwig <hch@....de> wrote:
>>
>>> On Thu, Jan 31, 2019 at 01:48:26PM +0100, Christian Zigotzky wrote:
>>> Hi Christoph,
>>>
>>> I compiled kernels for the X5000 and X1000 from your branch 'powerpc-dma.6'
>>> today.
>>>
>>> Gitweb:
>>> http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/powerpc-dma.6
>>>
>>> git clone git://git.infradead.org/users/hch/misc.git -b powerpc-dma.6 a
>>>
>>> The X1000 and X5000 boot but unfortunately the P.A. Semi Ethernet doesn't
>>> work.
>> Oh.  Can you try with just the next one and then two patches applied
>> over the working setup?  That is first:
>>
>> http://git.infradead.org/users/hch/misc.git/commitdiff/b50f42f0fe12965ead395c76bcb6a14f00cdf65b
>>
>> then also with:
>>
>> http://git.infradead.org/users/hch/misc.git/commitdiff/21fe52470a483afbb1726741118abef8602dde4d