use generic DMA mapping code in powerpc V4

[Christian Zigotzky]

On 11 February 2019 at 08:38AM, Christoph Hellwig wrote:
> On Sun, Feb 10, 2019 at 01:00:20PM +0100, Christian Zigotzky wrote:
>> I tested the whole series today. The kernels boot and the P.A. Semi
>> Ethernet works! :-) Thanks a lot!
>>
>> I also tested it in a virtual e5500 QEMU machine today. Unfortunately the
>> kernel crashes.
> This looks like a patch I fixed in mainline a while ago, but which
> the powerpc tree didn't have yet.
>
> I've cherry picked this commit
> ("swiotlb: clear io_tlb_start and io_tlb_end in swiotlb_exit")
>
> and added it to the powerpc-dma.6 tree, please retry with that one.
>
Hello Christoph,

Have you added it to the powerpc-dma.6 tree yet? The last commit was 4 
days ago.

Thanks,
Christian