linux-kernel - Re: [PATCH 08/22] regulator: Change ab8500 match names to reflect Device Tree

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Message-ID: <20120611103606.GG11439@opensource.wolfsonmicro.com>
Date:	Mon, 11 Jun 2012 18:36:07 +0800
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	Chris Ball <cjb@...top.org>,
	Linus Walleij <linus.walleij@...ricsson.com>,
	Bengt Jonsson <bengt.g.jonsson@...ricsson.com>,
	Mattias WALLIN <mattias.wallin@...ricsson.com>,
	linux-arm-kernel@...ts.infradead.org, sameo@...ux.intel.com,
	grant.likely@...retlab.ca, linux-kernel@...r.kernel.org,
	arnd@...db.de, Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH 08/22] regulator: Change ab8500 match names to reflect
 Device Tree

On Mon, Jun 11, 2012 at 11:27:53AM +0100, Lee Jones wrote:
> On 05/06/12 11:38, Mark Brown wrote:

> >You're missing something - note what I say above about the direction the
> >mapping is done in, and consider what happens if we've got two of the
> >same PMIC down in a system.

> I'm still not seeing how this would cause an issue. The only Device
> Tree nodes which will be parsed are the ones which are specified by
> a particular driver's compatible string, meaning that any other
> nodes referencing similar regulator/supply names would be ignored.

Suppose you have two devices of the same type with an array of name
based regulators, meaning the nodes with constraints have to have a
particular name in order to be matched to the regulator.  How would a
consumer reference a node to specify a supply?

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