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

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Date:	Tue, 05 Jun 2012 11:31:24 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
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 01/06/12 09:48, Mark Brown wrote:
> On Fri, Jun 01, 2012 at 12:36:28PM +0800, Lee Jones wrote:
>
>> This:
>
>>> sdi@...26000 {
>>>          vmmc-supply =<&ab8500_ldo_aux3_reg>;
>>> };
>
>> Is the same as, and will cause no more issues than:
>
>>> static struct regulator_consumer_supply ab8500_vaux3_consumers[] = {
>>>         REGULATOR_SUPPLY("vmmc", "sdi0"),
>>> };
>
>> ... because only nodes which we care about (dictated by compatible
>> declaration protections) will be parsed. So different platforms will
>> not affect each other.
>
> What makes you say the two are equivalent?  The former is a reference
> from a consumer device to a named regulator while the latter is a
> reference from a regulator to a named consumer.

I mean they both link regulator<->consumer and apply the name "vmmc" to 
the supply, or am I missing something / getting confused?

-- 
Lee Jones
Linaro ST-Ericsson Landing Team Lead
M: +44 77 88 633 515
Linaro.org │ Open source software for ARM SoCs
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