linux-kernel - Re: [PATCH] gpio: gpio-kempld: Fix get

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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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