linux-kernel - Re: [PATCH 6/8] regulator: max77686: Add external GPIO control

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Message-ID: <20141031103217.GJ18557@sirena.org.uk>
Date:	Fri, 31 Oct 2014 10:32:17 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	Alexandre Courbot <gnurou@...il.com>,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ben Dooks <ben-linux@...ff.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Russell King <linux@....linux.org.uk>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH 6/8] regulator: max77686: Add external GPIO control

On Fri, Oct 31, 2014 at 08:51:38AM +0100, Krzysztof Kozlowski wrote:

> However new DT style parsing (regulator_of_get_init_data()) does the
> basic parsing stuff and this removes a lot of code from driver. The
> driver no longer parses all regulaotrs but the regulator core does it.
> Unfortunately regulator core does not parse custom bindings (like such
> GPIOs) so I would have to iterate once again through all regulators just
> to find "gpios" property.

We could always add a callback for the driver to handle any custom
properties...  one of the advantages of an OS like Linux is that we can
improve the core code.

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