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

From: SÃren Brinkmann
Date: Fri Jan 09 2015 - 10:33:14 EST


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@xxxxxxxxxx> 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@xxxxxxxxxx>
> > Reviewed-by: Alexandre Courbot <acourbot@xxxxxxxxxx>
> > ---
> > 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.

SÃren
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