Messages in this thread | | | Date | Thu, 4 Sep 2014 18:29:32 +0200 | Subject | Re: [PATCH 3/3] gpio: lib-sysfs: Add 'wakeup' attribute | From | Linus Walleij <> |
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On Fri, Aug 29, 2014 at 7:58 PM, Soren Brinkmann <soren.brinkmann@xilinx.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@xilinx.com>
While I do see the utility of this patch, any kind of interrupt and related handling in userspace makes me super-stressed and nervous.
I need wide consent for this and please post this patch separately from the zynq-related patches.
Yours, Linus Walleij
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