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

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Date:   Fri, 25 Jan 2019 14:37:34 +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

Next step just with the first patch: 
5c532d07c2f3c3972104de505d06b8d85f403f06 (use powerpc zone selection)

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

git checkout 5c532d07c2f3c3972104de505d06b8d85f403f06

Link to the Git: 
http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/powerpc-dma.6-debug

Results:

X5000: The kernel detects the SATA hard disk drive and boots without any 
problems.

X1000: The kernel boots and the P.A. Semi Ethernet works!

-- Christian


On 23 January 2019 at 3:34PM, Christian Zigotzky wrote:
> Hi Christoph,
>
> I also compiled a kernel (zImage) for the X1000  from your Git 
> 'powerpc-dma.6-debug' (both patches) today.
>
> It boots and the P.A. Semi Ethernet works!
>
> I will test just the first patch tomorrow.
>
> Thanks,
> Christian
>
>
> On 21 January 2019 at 3:38PM, Christian Zigotzky wrote:
>> Hello Christoph,
>>
>> Thanks for your reply. I successfully compiled a kernel (uImage) for 
>> the X5000 from your Git 'powerpc-dma.6-debug' (both patches) today.
>>
>> It detects the SATA hard disk drive and boots without any problems.
>>
>
>