[RFC PATCH 4/9] powerpc/4xx: Create 4xx pseudo-platform in platforms/4xx

[Nicholas Piggin]

On Fri, 17 Feb 2017 17:32:14 +1100
Michael Ellerman <mpe at ellerman.id.au> wrote:

> We have a lot of code in sysdev for supporting 4xx, ie. either 40x or
> 44x. Instead it would be cleaner if it was all in platforms/4xx.
> 
> This is slightly odd in that we don't actually define any machines in
> the 4xx platform, as is usual for a platform directory. But still it
> seems like a better result to have all this related code in a directory
> by itself.

What about the other things in sysdev that support multiple platforms?
Why not just put the new 4xx subdirectory under sysdev?

The other patches all seem okay to me. Do you have any grand plan for
further breaking up traps.c?

Thanks,
Nick