Re: [PM-WIP/voltdm_c][PATCH 02/11] OMAP3+: PM: voltage: add required debugfs interfaces

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* Menon, Nishanth <nm@xxxxxx> [110518 11:03]:
> On Wed, May 18, 2011 at 02:59, Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> > * Nishanth Menon <nm@xxxxxx> [110518 08:13]:
> >> Kevin's patch:
> >> OMAP3+: voltage: remove unneeded debugfs interface
> >>
> >> removed ability to check the voltages in the domains.
> >> This puts a crunch on validation we can do, hence we
> >> re-introduce them back in
> >
> >> Signed-off-by: Nishanth Menon <nm@xxxxxx>
> >> ---
> >> Âarch/arm/mach-omap2/voltage.c | Â 66 +++++++++++++++++++++++++++++++++++++++++
> >> Âarch/arm/mach-omap2/voltage.h | Â Â1 +
> >> Â2 files changed, 67 insertions(+), 0 deletions(-)
> >
> > Hmm, this seems to be adding the debug code instead?
> 
> Yes, we need some interface to know what the current voltages are for
> each of the domain when verifying if dvfs is actually scaling voltage
> or not. the other option is to use omapconf (not yet public and only
> supports OMAP4) to see what the voltages are. Though omapconf is an
> option, it shows what it's computation of voltage from vsel is, not
> what the kernel internally thinks (vsel_uv functions) it is.

I guess I just got confused reading the patch description..

Tony
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