From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932147AbWFYJPw (ORCPT ); Sun, 25 Jun 2006 05:15:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932145AbWFYJPv (ORCPT ); Sun, 25 Jun 2006 05:15:51 -0400 Received: from smtp1-g19.free.fr ([212.27.42.27]:42975 "EHLO smtp1-g19.free.fr") by vger.kernel.org with ESMTP id S932144AbWFYJPv (ORCPT ); Sun, 25 Jun 2006 05:15:51 -0400 Message-ID: <449E5445.60008@free.fr> Date: Sun, 25 Jun 2006 11:15:49 +0200 From: matthieu castet User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.13) Gecko/20060620 Debian/1.7.13-0.2 X-Accept-Language: fr-fr, en, en-us MIME-Version: 1.0 To: Jeff Garzik CC: akpm@osdl.org, alan@lxorguk.ukuu.org.uk, "linux-ide@vger.kernel.org" , B.Zolnierkiewicz@elka.pw.edu.pl, htejun@gmail.com, Linux Kernel Subject: Re: + via-pata-controller-xfer-fixes.patch added to -mm tree References: <200606242214.k5OMEHCU005963@shell0.pdx.osdl.net> <449DBE88.5020809@garzik.org> <449DBFFD.2010700@garzik.org> In-Reply-To: <449DBFFD.2010700@garzik.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jeff Garzik wrote: > Data point #3 (or #0...): > > This appears to be a _device_ that sends its interrupt early. > > If that is the case, the device may appear on any controller, not just > VIA, and we would have to handle it globally via a device special-case > in libata-core. > For the record, the cdrom writer that need this quirk on pata via, works on pata sil680. But 3 microsecond is very short, and the problem could be hidden by the controller, or other stuffs.