From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932073AbXCJTbU (ORCPT ); Sat, 10 Mar 2007 14:31:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932095AbXCJTbT (ORCPT ); Sat, 10 Mar 2007 14:31:19 -0500 Received: from smtp-106-saturday.noc.nerim.net ([62.4.17.106]:4704 "EHLO mallaury.nerim.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932073AbXCJTbR (ORCPT ); Sat, 10 Mar 2007 14:31:17 -0500 Date: Sat, 10 Mar 2007 20:29:41 +0100 From: Jean Delvare To: Petr Vandrovec Cc: i2c@lm-sensors.org, Hans-Frieder Vogt , linux-kernel@vger.kernel.org Subject: Re: [PATCH] Add nForce MCP61 support to i2c-nforce2 Message-Id: <20070310202941.165b28a0.khali@linux-fr.org> In-Reply-To: <20070310080003.GA24177@vana.vc.cvut.cz> References: <20070310080003.GA24177@vana.vc.cvut.cz> X-Mailer: Sylpheed version 2.2.10 (GTK+ 2.8.20; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Petr, On Sat, 10 Mar 2007 09:00:03 +0100, Petr Vandrovec wrote: > Hello, > patch below adds support for nVidia's SMBus adapter present on Gateway's GT5414E > motherboard (ECS's MCP61 PM-AM). Patch is for current Linus's git tree. We already have a patch doing exactly this in -mm: http://www.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21-rc3/2.6.21-rc3-mm2/broken-out/jdelvare-i2c-i2c-nforce2-add-mcp61-mcp65-support.patch > 00:01.1 SMBus: nVidia Corporation MCP61 SMBus (rev a2) > Subsystem: Elitegroup Computer Systems Unknown device 2601 > Flags: 66MHz, fast devsel, IRQ 10 > I/O ports at fc00 [size=64] > I/O ports at 1c00 [size=64] > I/O ports at f400 [size=64] > Capabilities: [44] Power Management version 2 BTW, note how the MCP61 has not 2 but 3 64-byte I/O areas declared. The previous chips used BAR 4 and 5, this new one additionally uses BAR 0. Without documentation it's hard to be sure this is a 3rd SMBus channel, but it sure looks so. Maybe you'll want to hack the i2c-nforce2 driver a bit to confirm or infirm this theory. -- Jean Delvare