On Thu, Nov 29, 2018 at 01:05:23PM +0100, Christian Zigotzky wrote:

I compiled a test kernel from the following Git today.

http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/powerpc-dma.4

Command: git clone git://git.infradead.org/users/hch/misc.git -b 
powerpc-dma.4 a

Unfortunately I get some DMA error messages and the PASEMI ethernet doesn't 
work anymore.

What kind of machine is this (and your other one)?  Can you send me
(or point me to) the .config files?