From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Kernel fix for ICH7M controller Date: Mon, 04 Sep 2006 04:47:17 +0200 Message-ID: <44FB93B5.1020703@gmail.com> References: <44FAE630.20801@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from py-out-1112.google.com ([64.233.166.178]:30172 "EHLO py-out-1112.google.com") by vger.kernel.org with ESMTP id S1751315AbWIDCr3 (ORCPT ); Sun, 3 Sep 2006 22:47:29 -0400 Received: by py-out-1112.google.com with SMTP id n25so2405081pyg for ; Sun, 03 Sep 2006 19:47:29 -0700 (PDT) In-Reply-To: <44FAE630.20801@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jonathan Dieter Cc: jeff@garzik.org, linux-ide@vger.kernel.org, fedora-devel-list@redhat.com Jonathan Dieter wrote: > The ata_piix module doesn't detect that my laptop's disk controller > (Intel Corporation 82801GBM/GHM - ICH7 Family) is configured to have > PATA drives in the first two channels. I looked at Intel's > documentation and they say that my controller isn't supposed to support > this configuration, but it's the default setup on this laptop, there's > no way to change it in the BIOS, and it works in Windows, so I'm > assuming this is a documentation error. > > This patch changes one line in ata_piix.c so that it sees this > configuration as valid (and therefore recognizes my drives). I've > tested it on my laptop and the module is now working perfectly (whereas > the kernel was using the old IDE driver previously with no DMA enabled). Hello, Interesting. Can you post the result of 'lspci -n -vvv -xxx'? I don't see why this support shouldn't go into mainline but wanna see if narrowing down the effect a bit (if PCI ID allows us to) would be a good idea. Thanks. -- tejun -- VGER BF report: H 3.87351e-06