linux-kernel - Re: [PATCH] pinctrl: spear: Make get_gpio_pingroup return NULL when no gpio

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Message-ID: <CACRpkdbfxFsz8KokTmj-j3cbWpPrJr8c6MmZgU0rMBriOMMJ-g@mail.gmail.com>
Date:	Thu, 15 Nov 2012 12:32:22 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Axel Lin <axel.lin@...ics.com>
Cc:	Viresh Kumar <viresh.kumar@...aro.org>, spear-devel@...t.st.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pinctrl: spear: Make get_gpio_pingroup return NULL when
 no gpio_pingroup found

On Tue, Nov 13, 2012 at 1:20 PM, Axel Lin <axel.lin@...ics.com> wrote:

> Currently get_gpio_pingroup() may return NULL or ERR_PTR(-EINVAL) when
> no gpio_pingroup found. The caller in gpio_request_endisable() only
> checks if the return value is NULL. Return ERR_PTR(-EINVAL) for
> get_gpio_pingroup() causes problem and seems not necessary.
>
> Signed-off-by: Axel Lin <axel.lin@...ics.com>

Applied with Viresh's ACK.

Yours,
Linus Walleij
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