[PATCH 5/9] ARM: dts: provide DMA config to pxamci

Sergei Ianovich
2013-12-10T04:25:21Z

On Tue, 2013-12-10 at 01:25 +0100, Arnd Bergmann wrote:
> We never intentionally break things that people are using, but there are
> cases where doing blind changes is the best way forward. We should
> always try to find people to test patches on real hardware if possible,
> which is only possible if there are people around that have the hardware
> and that are going to run new kernels on them.
>
> In case of PXA dmaengine support, I think the benefits of applying the
> series far outweigh the breakage potential. A lot of the drivers are
> shared with MMP, which is going to be DT-only eventually and will require
> the new dmaengine code. Some PXA drivers may be shared with SA1100,
> which has also converted to dmaengine although there are no plans to
> ever support DT on sa1100.
>
> We certainly need to be extra careful if we want to move things over
> at once and cannot test all the drivers. I'd be happier if it could
> be done gradually by having some drivers use the new interface and
> other drivers use the old one, but I don't see how that can be done
> here.

Thanks for detailed explanation. I see there is strong support for the
big change. Lets hope it'll be smooth. I'll strest test Daniel's changes
and report the results.