linux-kernel - Re: [PATCH RESEND v3] gpio: lib-sysfs: Add 'wakeup' attribute

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Date:	Fri, 9 Jan 2015 07:24:07 -0800
From:	Sören Brinkmann <soren.brinkmann@...inx.com>
To:	Linus Walleij <linus.walleij@...aro.org>
CC:	Alexandre Courbot <gnurou@...il.com>, <linux-api@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>
Subject: Re: [PATCH RESEND v3] gpio: lib-sysfs: Add 'wakeup' attribute

On Fri, 2015-01-09 at 10:32AM +0100, Linus Walleij wrote:
> On Mon, Jan 5, 2015 at 7:16 PM, Soren Brinkmann
> <soren.brinkmann@...inx.com> wrote:
> 
> > Add an attribute 'wakeup' to the GPIO sysfs interface which allows
> > marking/unmarking a GPIO as wake IRQ.
> > The file 'wakeup' is created in each exported GPIOs directory, if an IRQ
> > is associated with that GPIO and the irqchip implements set_wake().
> > Writing 'enabled' to that file will enable wake for that GPIO, while
> > writing 'disabled' will disable wake.
> > Reading that file will return either 'disabled' or 'enabled' depening on
> > the currently set flag for the GPIO's IRQ.
> >
> > Signed-off-by: Soren Brinkmann <soren.brinkmann@...inx.com>
> > Reviewed-by: Alexandre Courbot <acourbot@...dia.com>
> > ---
> > v3:
> >  - add documentation
> > v2:
> >  - fix error path to unlock mutex before return
> 
> Finally applied for v3.20.
> 
> Sorry for being a bit conservative and picky at times...

Thank you.

	Sören
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