From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 4 Aug 2002 20:37:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 4 Aug 2002 20:37:58 -0400 Received: from pc2-cwma1-5-cust12.swa.cable.ntl.com ([80.5.121.12]:51706 "EHLO irongate.swansea.linux.org.uk") by vger.kernel.org with ESMTP id ; Sun, 4 Aug 2002 20:37:58 -0400 Subject: Re: 2.4.19: no DMA for IDE with Intel i845e From: Alan Cox To: Jeremy Fitzhardinge Cc: Linux Kernel List In-Reply-To: <1028507703.1486.11.camel@ixodes.goop.org> References: <1028505657.1545.3.camel@ixodes.goop.org> <1028512143.15495.45.camel@irongate.swansea.linux.org.uk> <1028507703.1486.11.camel@ixodes.goop.org> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.3 (1.0.3-6) Date: 05 Aug 2002 02:59:56 +0100 Message-Id: <1028512796.15204.47.camel@irongate.swansea.linux.org.uk> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2002-08-05 at 01:35, Jeremy Fitzhardinge wrote: > -ac1 seems to work, but I don't really understand how. I've looked > through the drivers/ide and arch/i386 changes, but I don't see what > makes the difference. It cleans up the PCI resource allocations on the southbridge. The -ac3 tree knows about enabling a partially mapped device which is probably the proper fix but means tweaking all the ports