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

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Message-ID: <20120611114239.GL11439@opensource.wolfsonmicro.com>
Date:	Mon, 11 Jun 2012 19:42:40 +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 12:28:57PM +0100, Lee Jones wrote:
> On 11/06/12 11:36, Mark Brown wrote:

> >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?

> some-regulators {
>     compatible = "protect_me_from_similarly_named_regulators";
> 
>     regulator_node_name_reg: regulator_node_name {
>         <blah>
>     };
> };

> [supply_name]-supply = <&regulator_node_name>;

I'm not 100% sure you read what I wrote above or in all the previous
mails about having two devices of the same type?  The case where we have
only one regulator of a given type obviously works otherwise people
would have noticed, the problem starts when you have two of the same
regulator device down.

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