From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: PATA failure with piix, works with libata Date: Mon, 6 Mar 2006 13:15:41 +0000 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 Return-path: Content-Disposition: inline In-Reply-To: <440B8B39.8090007@garzik.org> Sender: linux-kernel-owner@vger.kernel.org To: Jeff Garzik Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-ide@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