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From: Grant Likely <grant.likely@secretlab.ca>
Subject: Re: [PATCH 6/9] gpiolib: use descriptors internally
To: Alexandre Courbot <acourbot@nvidia.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Arnd Bergmann <arnd@arndb.de>
Cc: linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, gnurou@gmail.com,
        Alexandre Courbot <acourbot@nvidia.com>
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Date: Sat, 09 Feb 2013 13:24:35 +0000
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On Sun,  3 Feb 2013 01:29:29 +0900, Alexandre Courbot <acourbot@nvidia.com> wrote:
> Make sure gpiolib works internally with descriptors and (chip, offset)
> pairs instead of using the global integer namespace. This prepares the
> ground for the removal of the global gpio_desc[] array and the
> introduction of the descriptor-based GPIO API.
> 
> Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>

Despite Linus' comments, I've gone ahead and applied this. I think it is
a worthwhile change on its own and it feeds into the future work than
needs to be done. Any of the stuff he brought up can be addressed in
follow-on patches.

g.