Re: [PATCH v2 2/2] ARM: EXYNOS: Call regulator core suspend prepare and finish functions

[Doug Anderson]

Javier,

On Mon, Oct 20, 2014 at 9:58 AM, Javier Martinez Canillas
<javier.martinez@xxxxxxxxxxxxxxx> wrote:
>> It turns out that regulator_suspend_finish() actually returns an error
>> code.  Could you print a warning if you see it?
>>
>
> Yes, I noticed this when looking at Chris patch for Rockchip but didn't re-spin
> because I'm not sure anymore if this is the right solution. I mean, if is
> correct to add the same calls on every platform or if the regulator suspend
> prepare and finish functions should be called from the suspend core instead.
>
> For example calling regulator_suspend_prepare() from platform_suspend_prepare()
> [0] will have the advantage of passing the correct suspend_state_t state instead
> of hard-coding PM_SUSPEND_MEM and will make the regulator suspend states to work
> on all platforms.

Yes.  If we can get this added to the core that would be better.

I guess I was just trying to follow the suggestion that was in the
regulator code:
http://lxr.free-electrons.com/source/drivers/regulator/core.c#L3699
that says "This will usually be called by machine suspend code prior
to supending."

-Doug
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