linux-kernel - Re: [RFC PATCH 1/2] regulator: core: Add regulator_set_voltage

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Message-ID: <20130422131904.GL30351@opensource.wolfsonmicro.com>
Date:	Mon, 22 Apr 2013 14:19:04 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Taras Kondratiuk <taras@...com>
Cc:	lgirdwood@...il.com, rjw@...k.pl, viresh.kumar@...aro.org,
	shawn.guo@...aro.org, cpufreq@...r.kernel.org,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Philip Rakity <prakity@...dia.com>,
	Eric Miao <eric.y.miao@...il.com>
Subject: Re: [RFC PATCH 1/2] regulator: core: Add regulator_set_voltage_min()

On Fri, Apr 19, 2013 at 02:55:53PM +0300, Taras Kondratiuk wrote:
> Sometimes it is a need to constrain only a minimum voltage
> and let system constraints to limit maximum.
> Add a new function regulator_set_voltage_min() for this.

I don't believe you on this one.  It is going to be a very unusual
system which has a maximum supply voltage specified at over 4kV (or
more) which is what INT_MAX will come out as - there will be some
electrical specs for what voltages can be tolerated sustainably.

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