difference between ppc and powerpc

[Josh Boyer]

On Sun, 2007-07-01 at 08:37 +0800, silicom wrote:
> Hi
>   Can anybody tell me the difference between arch->ppc and
> arch->powerpc?

arch/ppc is the original tree for 32 bit PowerPC machines.  arch/powerpc
is the merged tree for both 32 and 64 bit PowerPC machines.  arch/ppc is
dying a slow death and really shouldn't be used for new submissions.

josh