linux-kernel - Re: gpiolib: per-gpio edges count

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Date:	Wed, 4 Apr 2012 16:49:03 +0200
From:	Jean Pihet <jean.pihet@...oldbits.com>
To:	Grant Likely <grant.likely@...retlab.ca>,
	Linus Walleij <linus.walleij@...aro.org>,
	linux-kernel@...r.kernel.org, Kevin Hilman <khilman@...com>
Subject: Re: gpiolib: per-gpio edges count

Hi,

On Wed, Apr 4, 2012 at 10:53 AM, Jean Pihet <jean.pihet@...oldbits.com> wrote:
> Hi Grant, Linus,
>
> I would like to know if it is possible to get the edges count on a GPIO pin.
> I was hoping to get it by configuring the pin as input with an edge
> trigger but on OMAP there is only one irq line per controller (which
> controls 32 pins).
> Btw I am using a Beaglebone with OMAP AM3358.

I figured it out, with the help from Kevin on IRC (thx!).

Indeed there is a per-pin IRQ count available in /proc/interrupts.
Sorry for the unconvenience.

Thanks & regards,
Jean
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