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Message-ID: <CACRpkdaXBjvdi+-Lbtibgdi1vRjSfgKzb+8Y+6Wk0YE=CcFz_Q@mail.gmail.com>
Date: Tue, 12 May 2015 13:50:26 +0200
From: Linus Walleij <linus.walleij@...aro.org>
To: Michael Brunner <mibru@....de>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Alexandre Courbot <gnurou@...il.com>,
"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
Jochen Henneberg <jh@...neberg-systemdesign.com>,
Michael Brunner <michael.brunner@...tron.com>,
Darren Hart <dvhart@...ux.intel.com>,
Kevin Strasser <kevin.strasser@...ux.intel.com>,
Guenter Roeck <linux@...ck-us.net>
Subject: Re: [PATCH] gpio: gpio-kempld: Fix get_direction return value
On Mon, May 11, 2015 at 12:46 PM, Michael Brunner <mibru@....de> wrote:
> This patch fixes an inverted return value of the gpio get_direction
> function.
>
> The wrong value causes the direction sysfs entry and GPIO debugfs file
> to indicate incorrect GPIO direction settings. In some cases it also
> prevents setting GPIO output values.
>
> The problem is also present in all other stable kernel versions since
> linux-3.12.
>
> Reported-by: Jochen Henneberg <jh@...neberg-systemdesign.com>
> Signed-off-by: Michael Brunner <michael.brunner@...tron.com>
Patch applied and tagged for stable v3.12+
Yours,
Linus Walleij
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