Re: [PATCH][GPIO] Add IRQ edge setter to gpiolib

[Drasko DRASKOVIC]

Looping GPIO maintainers...

On Fri, Oct 5, 2012 at 12:45 PM, Drasko DRASKOVIC
<drasko.draskovic@xxxxxxxxx> wrote:
> Hi all,
> please find a patch that adds IRQ edge set-up mechanism to sysfs that
> can be called from the kernel.
>
> This functionality can be very useful for embedded systems, as it
> permits kernel to do GPIO set-up during boot stage. Configuration
> which defines pins behavior is often kept in NVRAM, and during boot
> stage these structures can be parsed and executed by the kernel, so
> that when user processes already find all sysfs environment ready and
> correctly set-up.
>
> While at the present it is possible to export GPIO pins to sysfs (and
> correct direction / value), it is not possible to export IRQ
> configuration as well, so this must be done in user space (most often
> via command line). this patch implements missing functionality, so
> that  gpio_sysfs_set_edge() function can be called directly from the
> kernel.
>
> Best regards,
> Drasko

Attachment: 0001-PATCH-GPIO-Add-IRQ-edge-setter-to-gpiolib.patch
Description: Binary data