linux-kernel - Re: [RFC 09/17] sh: replace CONFIG_GENERIC_GPIO by CONFIG

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Date:	Tue, 12 Mar 2013 19:43:43 +0900
From:	Alex Courbot <acourbot@...dia.com>
To:	Paul Mundt <lethal@...ux-sh.org>
CC:	Grant Likely <grant.likely@...retlab.ca>,
	Linus Walleij <linus.walleij@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	Russell King <linux@....linux.org.uk>,
	Haavard Skinnemoen <hskinnemoen@...il.com>,
	Hans-Christian Egtvedt <egtvedt@...fundet.no>,
	Mike Frysinger <vapier@...too.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Jonas Bonn <jonas@...thpole.se>,
	Josh Boyer <jwboyer@...il.com>,
	Matt Porter <mporter@...nel.crashing.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Kumar Gala <galak@...nel.crashing.org>,
	Vitaly Bordug <vitb@...nel.crashing.org>,
	Marcelo Tosatti <marcelo@...ck.org>,
	Guan Xuetao <gxt@...c.pku.edu.cn>,
	Chris Zankel <chris@...kel.net>,
	Max Filippov <jcmvbkbc@...il.com>,
	Alexandre Courbot <gnurou@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC 09/17] sh: replace CONFIG_GENERIC_GPIO by CONFIG_GPIOLIB

On 03/12/2013 07:35 PM, Paul Mundt wrote:
> On Tue, Mar 12, 2013 at 07:12:22PM +0900, Alexandre Courbot wrote:
>> SH GPIO drivers all use gpiolib and CONFIG_GENERIC_GPIO is only selected
>> through CONFIG_GPIOLIB, yet some compilation units depended on
>> CONFIG_GENERIC_GPIO. Make them depend on CONFIG_GPIOLIB instead since it
>> is more accurate and prepares us for the future removal of
>> CONFIG_GENERIC_GPIO.
>>
>> Signed-off-by: Alexandre Courbot <acourbot@...dia.com>
>
> Note that the bulk of the GENERIC_GPIO use for SH has shifted to
> drivers/pinctrl/sh-pfc/. If GPIOLIB is forced then a good chunk of the
> Kconfig/Makefile bits there ought to be refactored too.

Yes, that is the case for many other drivers actually. This series just 
makes sure that GENERIC_GPIO is set through GPIOLIB *only*, thus making 
both options equivalent. If nobody shoots me for this, I will refactor 
individual drivers and ultimately remove GENERIC_GPIO completely.

Alex.

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