[PATCH V4 6/9] ARM: mxs: Provide regulator to pwm-backlight
marex at denx.de
Tue Mar 19 17:35:05 EDT 2013
Dear Andrew Chew,
> > Dear Andrew Chew,
> > > The pwm-backlight driver now takes a mandatory regulator that is
> > > gotten during driver probe. Initialize a dummy regulator to satisfy
> > > this requirement.
> > >
> > > Signed-off-by: Andrew Chew <achew at nvidia.com>
> > Do we really need a mandatory regulator? Why can't it be optional?
> > Best regards,
> > Marek Vasut
> Because for those using board setup code (and not devicetree), it was
> not possible to distinguish between opting out of the regulator, and
> deferred probe, without adding something to the platform data that
> board setup code needed to fill in anyway.
Sure, but this adds a bit of overhead for the DT platforms, no?
Other than this curiosity, I have no problems with this stuff.
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