From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932214AbWCFNP4 (ORCPT ); Mon, 6 Mar 2006 08:15:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932244AbWCFNPz (ORCPT ); Mon, 6 Mar 2006 08:15:55 -0500 Received: from cavan.codon.org.uk ([217.147.92.49]:24796 "EHLO vavatch.codon.org.uk") by vger.kernel.org with ESMTP id S932214AbWCFNPy (ORCPT ); Mon, 6 Mar 2006 08:15:54 -0500 Date: Mon, 6 Mar 2006 13:15:41 +0000 From: Matthew Garrett To: Jeff Garzik Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: PATA failure with piix, works with libata Message-ID: <20060306131540.GA11265@srcf.ucam.org> References: <20060303183937.GA30840@srcf.ucam.org> <20060305225733.GA8578@srcf.ucam.org> <440B770A.8090707@garzik.org> <20060306003221.GA8805@srcf.ucam.org> <440B8921.9030602@garzik.org> <20060306010333.GA8951@srcf.ucam.org> <440B8B39.8090007@garzik.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <440B8B39.8090007@garzik.org> User-Agent: Mutt/1.5.9i X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@codon.org.uk X-SA-Exim-Scanned: No (on vavatch.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Mar 05, 2006 at 08:07:05PM -0500, Jeff Garzik wrote: > Honestly I'm quite surprised that there is a difference between legacy > and native mode (more joy :)). ICH seems to want an ack to the bmdma > status register even on non-DMA commands, since it directly reflects the > IDE INTRQ line. Perhaps pounding on the Status register will clear that > condition, thus enabling legacy software to continue successfully > without worry about this ICH-specific detail. Yeah, that seems to work. Thanks! I'll see if I can clean this up... -- Matthew Garrett | mjg59@srcf.ucam.org