linux-kernel - Re: [PATCH 1/2] regulator: DT: Add support to scale ramp delay based on platform behavior

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Message-ID: <20160331192227.GU2350@sirena.org.uk>
Date:	Thu, 31 Mar 2016 12:22:27 -0700
From:	Mark Brown <broonie@...nel.org>
To:	Laxman Dewangan <ldewangan@...dia.com>
Cc:	Bjorn Andersson <bjorn@...o.se>,
	Bjorn Andersson <bjorn.andersson@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Liam Girdwood <lgirdwood@...il.com>,
	Stephen Warren <swarren@...dotorg.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Gandhar Dighe <gdighe@...dia.com>,
	Stuart Yates <syates@...dia.com>
Subject: Re: [PATCH 1/2] regulator: DT: Add support to scale ramp delay based
 on platform behavior

On Fri, Apr 01, 2016 at 12:29:05AM +0530, Laxman Dewangan wrote:
> On Friday 01 April 2016 12:29 AM, Mark Brown wrote:

> /**
> Here is the case,
> PMIC supports 2 ramp time configurations 5mv/us and 100mV/us. This is

This looks like a typo given a lot of the other content and the fact
that this is a concern.

> But here is the stuff without typo ;-)
> Device supports 5mV/us and 100mV/us which is not in observed value.

So why doesn't the device end up configuring 100mV/us when asked for
50mv/us?  That's reasonably expected - the configured ramp rate is a
maximum rate given that this is used to limit inrush current.

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