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

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Date:   Mon, 4 Feb 2019 13:13:54 +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

On 04 February 2019 at 08:56AM, Christoph Hellwig wrote:
> On Sun, Feb 03, 2019 at 05:49:02PM +0100, Christian Zigotzky wrote:
>> 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.
> Are there any interesting messages in the boot log?  Can you send me
> the dmesg?
>
Here you are: http://www.xenosoft.de/dmesg_X1000_with_DMA_updates.txt

-- Christian