From: Arnd Bergmann <arnd@arndb.de>
To: Alexandre Courbot <acourbot@nvidia.com>
Subject: Re: [RFC 00/17] Remove GENERIC_GPIO from architecture code
Date: Tue, 12 Mar 2013 11:23:18 +0000
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Cc: Grant Likely <grant.likely@secretlab.ca>,
        Linus Walleij <linus.walleij@linaro.org>,
        Russell King <linux@arm.linux.org.uk>,
        Haavard Skinnemoen <hskinnemoen@gmail.com>,
        "Hans-Christian Egtvedt" <egtvedt@samfundet.no>,
        Mike Frysinger <vapier@gentoo.org>,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        Ralf Baechle <ralf@linux-mips.org>, Jonas Bonn <jonas@southpole.se>,
        Josh Boyer <jwboyer@gmail.com>,
        Matt Porter <mporter@kernel.crashing.org>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
        Kumar Gala <galak@kernel.crashing.org>,
        Vitaly Bordug <vitb@kernel.crashing.org>,
        Marcelo Tosatti <marcelo@kvack.org>, Paul Mundt <lethal@linux-sh.org>,
        Guan Xuetao <gxt@mprc.pku.edu.cn>, Chris Zankel <chris@zankel.net>,
        Max Filippov <jcmvbkbc@gmail.com>,
        Alexandre Courbot <gnurou@gmail.com>, linux-kernel@vger.kernel.org
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On Tuesday 12 March 2013, Alexandre Courbot wrote:
> 
> This series makes sure the GENERIC_GPIO option can only be set through GPIOLIB 
> (and not by individual architectures), as a first step towards its removal.
> 

Nice series,

Acked-by: Arnd Bergmann <arnd@arndb.de>

> For most platforms, this change should be a no-op. However I would like to make 
> sure that everyone is ok with it and that nothing gets broken, as the effect of 
> changing configuration options are sometimes difficult to predict.

It's probably worth pointing out which platforms actually change with this. For
all I can tell, the only user-visible change is that m68k now cannot turn
off gpiolib any more.

	Arnd
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