linux-kernel - Re: [PATCH 2/2] regulator: Propagate uA

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Message-ID: <20110329084009.GA29874@opensource.wolfsonmicro.com>
Date:	Tue, 29 Mar 2011 17:40:10 +0900
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	David Collins <collinsd@...eaurora.org>,
	linux-arm-msm@...r.kernel.org, linux-arm-msm-owner@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Liam Girdwood <lrg@...mlogic.co.uk>
Subject: Re: [PATCH 2/2] regulator: Propagate uA_load requirements up supply
 chain

On Tue, Mar 29, 2011 at 09:28:48AM +0100, Russell King - ARM Linux wrote:
> On Tue, Mar 29, 2011 at 08:53:11AM +0100, Mark Brown wrote:

> > That's pretty much what I said, yes.

> No, you said the power will map through but the current will not.  I'm
> saying that the power will *not* map through either.

I said that even with a perfectly efficient regulator the current won't
map through, and that physical regulators make things even less direct.
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