linux-kernel - RE: About GPIO interrupt function with sysfs

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Message-ID: <706C311929004CBBA1D60DA8BE622471@hacdom.okisemi.com>
Date:	Fri, 18 Feb 2011 10:26:30 +0900
From:	"Tomoya MORINAGA" <tomoya-linux@....okisemi.com>
To:	"'Grant Likely'" <grant.likely@...retlab.ca>
Cc:	<linux-kernel@...r.kernel.org>,
	"'Ewe, Kok Howg'" <kok.howg.ewe@...el.com>,
	"'Lai, Mee Sim'" <mee.sim.lai@...el.com>,
	"'Toshiharu Okada'" <toshiharu-linux@....okisemi.com>
Subject: RE: About GPIO interrupt function with sysfs

Hi Grant,

Thank you for your information.
It seems use "edge" file,
using poll/select usermode application can detect the interrupt.

Thanks,
-----------------------------------------
Tomoya MORINAGA
OKI SEMICONDUCTOR CO., LTD.


> -----Original Message-----
> From: linux-kernel-owner@...r.kernel.org 
> [mailto:linux-kernel-owner@...r.kernel.org] On Behalf Of Grant Likely
> Sent: Friday, February 18, 2011 9:43 AM
> To: Tomoya MORINAGA
> Cc: linux-kernel@...r.kernel.org; Ewe, Kok Howg; Lai, Mee 
> Sim; Toshiharu Okada
> Subject: Re: About GPIO interrupt function with sysfs
> 
> On Thu, Feb 17, 2011 at 5:34 PM, Tomoya MORINAGA 
> <morinaga526@....okisemi.com> wrote:
> > Hi,
> >
> > I have a question.
> > Can our GPIO driver (pch_gpio) have interrupt function?
> 
> yes.
> 
> g.
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