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

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Message-ID: <20181213091021.GA2106@lst.de>
Date:   Thu, 13 Dec 2018 10:10:21 +0100
From:   Christoph Hellwig <hch@....de>
To:     Christian Zigotzky <chzigotzky@...osoft.de>
Cc:     Christoph Hellwig <hch@....de>, 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 Thu, Dec 13, 2018 at 09:41:50AM +0100, Christian Zigotzky wrote:
> Today I tried the first patch (0001-get_required_mask.patch) with the last 
> good commit (977706f9755d2d697aa6f45b4f9f0e07516efeda). Unfortunately this 
> patch is already included in the last good commit 
> (977706f9755d2d697aa6f45b4f9f0e07516efeda). I will try the next patch.

Hmm, I don't think this is the case.  This is my local git log output:

commit 83a4b87de6bc6a75b500c9959de88e2157fbcd7c
Author: Christoph Hellwig <hch@....de>
Date:   Wed Dec 12 15:07:49 2018 +0100

    get_required_mask

commit 977706f9755d2d697aa6f45b4f9f0e07516efeda
Author: Christoph Hellwig <hch@....de>
Date:   Sat Nov 10 22:34:27 2018 +0100

    powerpc/dma: remove dma_nommu_mmap_coherent

I've also pushed a git branch with these out to:

    git://git.infradead.org/users/hch/misc.git powerpc-dma.5-debug