[PATCH] ARM: make head.S register assignments more convenient

[Russell King - ARM Linux]

On Tue, Dec 06, 2011 at 11:11:05AM +0000, Dave Martin wrote:
> Is it also worth changing the other proc-*.S setup rountines to be PCS
> compliant too?  This would clean up the calling convention further, and
> help avoid future sutprises.

They _aren't_ PCS functions in any case.  They don't have a stack
available to them.  So, having them as non-PCS functions reinforces
the fact that they _are_ special.