use generic DMA mapping code in powerpc V4

[Christian Zigotzky]

On 13 December 2018 at 10:10AM, Christoph Hellwig wrote:
> 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 at lst.de>
> Date:   Wed Dec 12 15:07:49 2018 +0100
>
>      get_required_mask
>
> commit 977706f9755d2d697aa6f45b4f9f0e07516efeda
> Author: Christoph Hellwig <hch at lst.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
>
Sorry Christioph. I was wrong. The first patch isn't included in the 
last good commit. I will try it again. I can only test beside my main 
work. That means it takes longer.

-- Christian