linux-kernel - Re: [PATCH v3 01/11] regulator: core: add API to get voltage constraints

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Message-ID: <20180207123750.GA5850@tbergstrom-lnx.Nvidia.com>
Date:   Wed, 7 Feb 2018 14:37:51 +0200
From:   Peter De Schrijver <pdeschrijver@...dia.com>
To:     Mark Brown <broonie@...nel.org>
CC:     <linux-tegra@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <mturquette@...libre.com>, <sboyd@...eaurora.org>,
        <robh+dt@...nel.org>, <mark.rutland@....com>,
        <devicetree@...r.kernel.org>, <lgirdwood@...il.com>,
        <linux-kernel@...r.kernel.org>,
        Laxman Dewangan <ldewangan@...dia.com>
Subject: Re: [PATCH v3 01/11] regulator: core: add API to get voltage
 constraints

On Wed, Feb 07, 2018 at 10:43:51AM +0000, Mark Brown wrote:
> On Wed, Feb 07, 2018 at 10:47:44AM +0200, Peter De Schrijver wrote:
> > On Tue, Feb 06, 2018 at 04:35:44PM +0000, Mark Brown wrote:
> > > On Tue, Feb 06, 2018 at 06:34:02PM +0200, Peter De Schrijver wrote:
> 
> > > > Add API to get min/max rail voltage configured from platform for
> > > > given rails.
> 
> > > because...
> 
> > of the next patch where this is used to retrieve the minimum rail voltage.
> 
> And that in turn is needed for...?

To calculate the required voltage for each frequency.

Peter.