linux-kernel - Re: [PATCH] gpiolib: fix bug and clarify OF use of ranges

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Message-ID: <CACRpkdZSfyffBCZ7jorxV28qpeSt37HV2cPaBcyqA1QPNwjmcw@mail.gmail.com>
Date:	Wed, 21 Nov 2012 08:56:47 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Linus Walleij <linus.walleij@...ricsson.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Shiraz Hashim <shiraz.hashim@...com>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Stephen Warren <swarren@...dia.com>,
	Anmar Oueja <anmar.oueja@...aro.org>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [PATCH] gpiolib: fix bug and clarify OF use of ranges

On Wed, Nov 21, 2012 at 8:37 AM, Linus Walleij
<linus.walleij@...ricsson.com> wrote:

> From: Linus Walleij <linus.walleij@...aro.org>
>
> In commit c905165f5946f56dca195871641bd4e488eca24a
> "gpiolib: let gpiochip_add_pin_range() specify offset"
> I forgot to update the OF use of the function
> gpiochip_add_pin_range().
>
> It turns out that this reveal a weakness in the
> OF range mappings: ranges cannot currently be sparse.
> So put in a comment so we can fix this later.
>
> Signed-off-by: Linus Walleij <linus.walleij@...aro.org>

BTW I've squashed this into the original commit above to avoid any
git bisect issues.

Linus Walleij
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