Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755275Ab1CQSvX (ORCPT ); Thu, 17 Mar 2011 14:51:23 -0400 Received: from mail-pv0-f174.google.com ([74.125.83.174]:38643 "EHLO mail-pv0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755182Ab1CQSvU (ORCPT ); Thu, 17 Mar 2011 14:51:20 -0400 Date: Thu, 17 Mar 2011 12:51:16 -0600 From: Grant Likely To: "Lai, Mee Sim" Cc: Tomoya MORINAGA , "linux-kernel@vger.kernel.org" , "Ewe, Kok Howg" , "'Toshiharu Okada'" Subject: Re: About GPIO interrupt function with sysfs Message-ID: <20110317185116.GA10565@angua.secretlab.ca> References: <20110303185632.GL22940@angua.secretlab.ca> <2BC88E699A3D491E8B7C2B761F8296C7@hacdom.okisemi.com> <1FCD1EEA68DED942B626C91DF9B9AA81271FE6C238@pgsmsx502.gar.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1FCD1EEA68DED942B626C91DF9B9AA81271FE6C238@pgsmsx502.gar.corp.intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1493 Lines: 43 On Thu, Mar 10, 2011 at 11:13:05PM +0800, Lai, Mee Sim wrote: > Hi Grant, > Is there any update on this? thanks! Nope, nor did I make any promises that I would have the time to do so. Sorry. g. > > Thanks & Regards, > Michelle Lai Mee Sim > Software Platform Application Engineer > inet:82532218 > > -----Original Message----- > From: Tomoya MORINAGA [mailto:tomoya-linux@dsn.okisemi.com] > Sent: Friday, March 04, 2011 8:06 AM > To: 'Grant Likely' > Cc: linux-kernel@vger.kernel.org; Ewe, Kok Howg; Lai, Mee Sim; 'Toshiharu Okada' > Subject: RE: About GPIO interrupt function with sysfs > > Hi Grant, > > On Friday, March 04, 2011 3:57 AM, Grant Likely wrote: > > I don't know. I'll need to dig into that code before I can > > answer. I suggest digging into it yourself to figure out the > > answer as I cannot promise that I'll get to it anytime soon. > > Seeing "gpio_to_irq" of another architecture (e.g. ARM), there is significant code in it. > In addition, you can see "Not implemented, yet" description in "arch/x86/include/asm/gpio.h" > Thus, I suspect that x86 GPIO sysfs can't support interrupt function at present. > > Thanks, > ----------------------------------------- > Tomoya MORINAGA > OKI SEMICONDUCTOR CO., LTD. > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/