linux-kernel - Re: [PATCH 1/2] pinctrl: pinconf_generic: add utility functions for add map/configs

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Date:	Wed, 7 Aug 2013 20:27:14 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Stephen Warren <swarren@...dotorg.org>
Cc:	Laxman Dewangan <ldewangan@...dia.com>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Graeme Gregory <gg@...mlogic.co.uk>, kishon@...com,
	Stephen Warren <swarren@...dia.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH 1/2] pinctrl: pinconf_generic: add utility functions for
 add map/configs

On Fri, Jul 26, 2013 at 7:36 PM, Stephen Warren <swarren@...dotorg.org> wrote:
> On 07/26/2013 04:15 AM, Laxman Dewangan wrote:
>> Some of pincontrol driver needs the utility function to create map
>> list. The utility function needed for adding mux, configs etc.

It is a noble goal to unify this and thank you *very* much for taking
it on.

> Which other drivers already contain this code? Are you planning on
> converting them over to use these new functions? The code looks
> familiar, so I assume it's just cut/paste from Tegra with some renames,
> so I didn't read it through in detail.
>
>>  drivers/pinctrl/pinconf-generic.c       |  105 +++++++++++++++++++++++++++++++
>>  include/linux/pinctrl/pinconf-generic.h |   52 +++++++++++++++
>
> I don't think those are the correct files for this code. Presumably
> there's no reason at all why a pinctrl driver that doesn't require
> CONFIG_GENERIC_PINCONF can't use these basic utility functions. Perhaps
> add a new pinctrl-utils file?

Agree with Stephen, we need to put this in a separate file, such at
pinctrl-dt.c or just put it into core.c.

Yours,
Linus Walleij
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