use generic DMA mapping code in powerpc V4

[Christian Zigotzky]

Hi Christoph,

I compiled kernels for the X5000 and X1000 from your new branch 
'powerpc-dma.6-debug.2' today. The kernels boot and the P.A. Semi 
Ethernet works!

Cheers,
Christian


On 28 January 2019 at 5:52PM, Christian Zigotzky wrote:
> Thanks a lot! I will test it tomorrow.
>
> — Christian
>
> Sent from my iPhone
>
>> On 28. Jan 2019, at 17:22, Christoph Hellwig <hch at lst.de> wrote:
>>
>>> On Mon, Jan 28, 2019 at 08:04:22AM +0100, Christoph Hellwig wrote:
>>>> On Sun, Jan 27, 2019 at 02:13:09PM +0100, Christian Zigotzky wrote:
>>>> Christoph,
>>>>
>>>> What shall I do next?
>>> I'll need to figure out what went wrong with the new zone selection
>>> on powerpc and give you another branch to test.
>> Can you try the new powerpc-dma.6-debug.2 branch:
>>
>>     git://git.infradead.org/users/hch/misc.git powerpc-dma.6-debug.2
>>
>> Gitweb:
>>
>>     http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/powerpc-dma.6-debug.2
>