[RFC/PATCH] powerpc: Move CPM command handling into the cpm drivers
vitb at kernel.crashing.org
Tue Nov 27 19:08:08 EST 2007
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.
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