Subject: Re: [RFC/PATCH] powerpc: Move CPM command handling into the cpm drivers

From: Vitaly Bordug <[email-masked]>
Date: Tue, 27 Nov 2007 11:08:08 +0300

On Mon, 26 Nov 2007 15:41:19 -0600
Scott Wood wrote:

> Vitaly Bordug wrote:
> > perhaps I was not clear enough. That was a rough idea how to handle
> > the whole thing, not just cpm_cr_cmd. This cpm command is a corner
> > case, but there can be other actions that may confuse CPM being
> > triggered simultaneously or overlapping.
> 
> What kind of actions did you have in mind?  Microcode patching?
> 
microcode is another case to handle gracefully. There are also
"soft" cases like cpmux mess-up, incompatible SoC devices (which we are handling by
logical exclude now but which do have natural reasons of "not leaving together" like
shared dedicated GPIO or smth else) etc. 

-- 
Sincerely, Vitaly