[PATCH v4 0/4] ARM: OMAP2+: AM33XX: VDD CORE OPP50 support

[Russ Dill]

On Fri, Aug 30, 2013 at 9:06 AM, Kevin Hilman <khilman at linaro.org> wrote:
> Well, I was thinking of something much dumber.
>
> I was thinking about just _carefully_ writing a single, self-contained C
> function, with all of its data on the stack (and consts as #defines).
> Think of it is a step up in readability from straight assembly (which
> was the stated reason for moving the code to the M3 in the first place.)
>
> Kevin

That can only give you your suspend function. You need a resume
function to undo everything before calling cpu_resume, and the resume
function needs access to the data that was in the suspend function.