linux-kernel - Re: [RFC 04/15] regulator: add restrack support

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Message-ID: <20141210160720.GS11764@sirena.org.uk>
Date:	Wed, 10 Dec 2014 16:07:20 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Andrzej Hajda <a.hajda@...sung.com>
Cc:	open list <linux-kernel@...r.kernel.org>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Mike Turquette <mturquette@...aro.org>,
	Russell King <linux@....linux.org.uk>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Thierry Reding <thierry.reding@...il.com>,
	Inki Dae <inki.dae@...sung.com>,
	Kishon Vijay Abraham I <kishon@...com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	"moderated list:ARM/CLKDEV SUPPORT" 
	<linux-arm-kernel@...ts.infradead.org>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
	"open list:DRM PANEL DRIVERS" <dri-devel@...ts.freedesktop.org>,
	"moderated list:ARM/S5P EXYNOS AR..." 
	<linux-samsung-soc@...r.kernel.org>,
	"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
	boris.brezillon@...e-electrons.com
Subject: Re: [RFC 04/15] regulator: add restrack support

On Wed, Dec 10, 2014 at 04:48:22PM +0100, Andrzej Hajda wrote:
> Regulators supports various methods of lookup.
> The patch adds restrack support only to DT based regulators.

Why, what does this mean and how might one use it?  I've not looked at
the code since I don't know what it's supposed to accomplish...

One very high level thing is that anything that only works for DT only
seems to be a non-starter, the API should be hiding details of the
firmware interface.

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