Re: use generic DMA mapping code in powerpc V4

From: Christoph Hellwig
Date: Fri Dec 14 2018 - 11:45:32 EST

On Fri, Dec 14, 2018 at 01:00:26PM +0100, Christian Zigotzky wrote:
> On 12 December 2018 at 3:15PM, Christoph Hellwig wrote:
> > Thanks for bisecting. I've spent some time going over the conversion
> > but can't really pinpoint it. I have three little patches that switch
> > parts of the code to the generic version. This is on top of the
> > last good commmit (977706f9755d2d697aa6f45b4f9f0e07516efeda).
> >
> > Can you check with whÑch one things stop working?
> Hello Christoph,
> Great news! All your patches work!

No so great because that means I still have no idea what broke..

> I tested all your patches (including the patch '0004-alloc-free.patch'
> today) and the PASEMI onboard ethernet works and the P5020 board boots
> without any problems. Thank you for your work!
> I have a few days off. That means, I will work less and only for the A-EON
> first level Linux support. I can test again on Thursday next week.

Enjoy your days off!

I think I'll need to prepare something new that is better bisectable,
and use that opportunity to reason about the changes a little more.