linux-kernel - Re: [PATCH 4/4] regulator: s5m8767: Use same binding for external control as in s2mps11

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Message-id: <1397552145.29169.17.camel@AMDC1943>
Date:	Tue, 15 Apr 2014 10:55:45 +0200
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Sachin Kamat <sachin.kamat@...aro.org>
Cc:	Mark Brown <broonie@...nel.org>,
	Sangbeom Kim <sbkim73@...sung.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Tomasz Figa <t.figa@...sung.com>
Subject: Re: [PATCH 4/4] regulator: s5m8767: Use same binding for external
 control as in s2mps11

On wto, 2014-04-15 at 14:02 +0530, Sachin Kamat wrote:
> On 15 April 2014 13:42, Krzysztof Kozlowski <k.kozlowski@...sung.com> wrote:
> > On wto, 2014-04-15 at 13:26 +0530, Sachin Kamat wrote:
> >> On 15 April 2014 02:41, Mark Brown <broonie@...nel.org> wrote:
> >> > On Mon, Apr 14, 2014 at 10:09:09AM +0200, Krzysztof Kozlowski wrote:
> >> >
> >> >> -     - s5m8767,pmic-ext-control-gpios: (optional) GPIO specifier for one
> >> >> +     - samsung,ext-control-gpios: (optional) GPIO specifier for one
> >> >>               GPIO controlling this regulator (enable/disable); This is
> >> >>               valid only for buck9.
> >> >
> >> > This is an incompatible change.  It's OK to deprecate the old property
> >> > but it's bad form to just remove it.
> >>
> >> I agree with Mark. Also, there is no need to make it generic.
> >
> > I thought it would be good to make it consistent and to reduce the
> > number of bindings with same meaning on similar drivers.
> 
> How about making the other one use "s5m8767,pmic-ext-control-gpios"
> compatible instead of introducing a new one?

But then we would introduce semi-generic binding with a driver-specific
name.

Anyway more drivers seem to use this kind of binding (tps65090, max8952,
da9055, arizona) so maybe there is a point in making this generic?

Best regards,
Krzysztof

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