From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Brown <broonie@kernel.org>
Subject: Re: [PATCH 01/16] PM / OPP: Add 'supply-names' binding
Date: Wed, 2 Mar 2016 20:24:10 +0900
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Cc: Rob Herring <robh@kernel.org>, Nishanth Menon <nm@ti.com>, Stephen Boyd <sboyd@codeaurora.org>, Dave Gerlach <d-gerlach@ti.com>, Rafael Wysocki <rjw@rjwysocki.net>, Linaro Kernel Mailman List <linaro-kernel@lists.linaro.org>, "linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>, Rob Herring <rob.herring@linaro.org>


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On Wed, Mar 02, 2016 at 03:58:31PM +0530, Viresh Kumar wrote:
> On 02-03-16, 11:50, Mark Brown wrote:

> > I'm really not sure what I can say here that I've not already said
> > repeatedly, what's new here?

> Yeah, you have raised some genuine concerns earlier, like the sequence
> in which the voltages of multiple supplies should be changed, and if
> we should rely on some DT sequence for that.

> I started it again, because we have a real case now (not like the
> virtual case earlier) where a platform has multiple supplies for a
> device (CPU). I just wanted to hear from all of you on how should we
> go ahead and solve it.

> TI guys had some crazy ideas, like using OPP-notifiers to update the
> second regulator, etc and I really hated it :)

My main thought with this stuff is that if it's really complicated to
write generic code that might be a sign that it's sensible to write a
custom driver.  We can always writee something later if we figure out
some general patterns.

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