linux-kernel - Re: [PATCH v5 1/4] regulator: helper routine to extract regulator_init

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Message-ID: <20111205103447.GC11150@opensource.wolfsonmicro.com>
Date:	Mon, 5 Dec 2011 10:34:47 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Thomas Abraham <thomas.abraham@...aro.org>
Cc:	Rajendra Nayak <rnayak@...com>, grant.likely@...retlab.ca,
	robherring2@...il.com, linaro-dev@...ts.linaro.org,
	patches@...aro.org, tony@...mide.com,
	devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	olof@...om.net, linux-omap@...r.kernel.org, lrg@...com,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v5 1/4] regulator: helper routine to extract
 regulator_init_data

On Mon, Dec 05, 2011 at 02:40:50PM +0530, Thomas Abraham wrote:
> On 4 December 2011 21:24, Mark Brown

> > If the regulator isn't software managed then always_on covers this - the
> > regulator core will enable any always_on regulators that haven't been
> > enabled already.

> Thanks for the hint. I was trying to deal with a regulator that was
> not software managed but also required the voltage level to be set to
> certain level. That was possible with 'apply_uV' constraint in non-dt
> case. Anyway, I have modified the code to manage the regulator and
> this works fine in dt case as well without the 'apply_uV' constraint.

With the regulator device tree bindings if the regulator is configured
to run a single voltage the bindings will set apply_uV unconditionally
so there's no need for a separate constraint.
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