use generic DMA mapping code in powerpc V4

[Christian Zigotzky]

Hi Christoph,

I will try it at the weekend.

Thanks,
Christian

Sent from my iPhone

> On 1. Feb 2019, at 09:04, Christoph Hellwig <hch at lst.de> wrote:
> 
>> On Thu, Jan 31, 2019 at 01:48:26PM +0100, Christian Zigotzky wrote:
>> Hi Christoph,
>> 
>> I compiled kernels for the X5000 and X1000 from your branch 'powerpc-dma.6' 
>> today.
>> 
>> Gitweb: 
>> http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/powerpc-dma.6
>> 
>> git clone git://git.infradead.org/users/hch/misc.git -b powerpc-dma.6 a
>> 
>> The X1000 and X5000 boot but unfortunately the P.A. Semi Ethernet doesn't 
>> work.
> 
> Oh.  Can you try with just the next one and then two patches applied
> over the working setup?  That is first:
> 
> http://git.infradead.org/users/hch/misc.git/commitdiff/b50f42f0fe12965ead395c76bcb6a14f00cdf65b
> 
> then also with:
> 
> http://git.infradead.org/users/hch/misc.git/commitdiff/21fe52470a483afbb1726741118abef8602dde4d