Re: [PATCH RESEND v3] gpio: lib-sysfs: Add 'wakeup' attribute
From: Linus Walleij
Date: Fri Jan 09 2015 - 04:32:43 EST
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...
Yours,
Linus Walleij
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/