use generic DMA mapping code in powerpc V4

Mon Feb 4 18:56:16 AEDT 2019

On Sun, Feb 03, 2019 at 05:49:02PM +0100, Christian Zigotzky wrote:
> OK, next step: b50f42f0fe12965ead395c76bcb6a14f00cdf65b (powerpc/dma: use 
> the dma_direct mapping routines)
>
> git clone git://git.infradead.org/users/hch/misc.git -b powerpc-dma.6 a
>
> git checkout b50f42f0fe12965ead395c76bcb6a14f00cdf65b
>
> Results: The X1000 and X5000 boot but unfortunately the P.A. Semi Ethernet 
> doesn't work.

Are there any interesting messages in the boot log?  Can you send me
the dmesg?