From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030311Ab2I2NiA (ORCPT ); Sat, 29 Sep 2012 09:38:00 -0400 Received: from mga03.intel.com ([143.182.124.21]:50245 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030199Ab2I2Nh6 (ORCPT ); Sat, 29 Sep 2012 09:37:58 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.80,507,1344236400"; d="scan'208";a="198722925" From: "Zhang, Rui" To: Alan Cox CC: LKML , linux-pm , linux-i2c , "linux-acpi@vger.kernel.org" , "Len, Brown" , "Rafael J. Wysocki" , Grant Likely , Dirk Brandewie Subject: RE: [RFC PATCH 5/6] ACPI: Introduce ACPI I2C controller enumeration driver Thread-Topic: [RFC PATCH 5/6] ACPI: Introduce ACPI I2C controller enumeration driver Thread-Index: AQHNnUx4YaROkQfVYU+gelfZPaq2VZefL/SAgAIjU8A= Date: Sat, 29 Sep 2012 13:37:53 +0000 Message-ID: <744357E9AAD1214791ACBA4B0B90926322C16F@SHSMSX101.ccr.corp.intel.com> References: <1348818032.10877.325.camel@rui.sh.intel.com> <20120928135401.6781d134@pyramind.ukuu.org.uk> In-Reply-To: <20120928135401.6781d134@pyramind.ukuu.org.uk> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id q8TDc6J0019731 > -----Original Message----- > From: Alan Cox [mailto:alan@lxorguk.ukuu.org.uk] > Sent: Friday, September 28, 2012 8:54 PM > To: Zhang, Rui > Cc: LKML; linux-pm; linux-i2c; linux-acpi@vger.kernel.org; Len, Brown; > Rafael J. Wysocki; Grant Likely; Dirk Brandewie > Subject: Re: [RFC PATCH 5/6] ACPI: Introduce ACPI I2C controller > enumeration driver > Importance: High > > On Fri, 28 Sep 2012 15:40:32 +0800 > Zhang Rui wrote: > > > >From 6077a62f2865201ab6727ca7d628ee5e43aa57e1 Mon Sep 17 00:00:00 > > >2001 > > From: Zhang Rui > > Date: Fri, 24 Aug 2012 15:18:25 +0800 > > Subject: [RFC PATCH 5/6] ACPI: Introduce ACPI I2C controller > > enumeration driver > > > > This driver is able to > > 1) enumerate I2C controller via ACPI namespace > > and register it as a platform device. > > 2) enumerate I2C slave devices via ACPI namespace. > > Will this also trigger and work with the ACPI4 based devices that seem > to have I²C tables that Linux currently doesn't understand (eq some > GMA600/Oaktrail platforms) ? I'm not aware of this. I think the answer is probably "No" because these PNPids are pretty new. But we can check FADT.revision to make the driver work on ACPI5 platforms only. Thanks, rui {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I