From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262766AbVFWWup (ORCPT ); Thu, 23 Jun 2005 18:50:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262834AbVFWWup (ORCPT ); Thu, 23 Jun 2005 18:50:45 -0400 Received: from clock-tower.bc.nu ([81.2.110.250]:39604 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S262766AbVFWWuj (ORCPT ); Thu, 23 Jun 2005 18:50:39 -0400 Subject: Re: PATCH: IDE - sensible probing for PCI systems From: Alan Cox To: "Maciej W. Rozycki" Cc: Linux Kernel Mailing List In-Reply-To: References: <1119356601.3279.118.camel@localhost.localdomain> <1119363150.3325.151.camel@localhost.localdomain> <1119379587.3325.182.camel@localhost.localdomain> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1119566026.18655.30.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Thu, 23 Jun 2005 23:48:14 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Iau, 2005-06-23 at 19:22, Maciej W. Rozycki wrote: > Besides, does a modern i386 really require them? DOS compatibility is no > longer an issue for commodity hardware and the ISA bridge is gone. Untrue on both counts > Apparently the only legacy device still not replaced by anything else is > the RTC, which is rather surprising as there seems to be a lot of > reasonable alternatives for I2C available these days and i386 boxes have > had I2C for quite a while now. DMA controller, floppy controller, keyboard, serial, mouse, parallel, some video ports, random other objects on the lpc bus, miscellaneous motherboard gunge. > Both IDE and video are distinct PCI devices these days, so there is no > need for them to hide their decoded address ranges. I've thought that has > been sorted out. We still support older machines that are pre PCI even. Most PC systems also have ranges of non-PCI decoded space that appears in no PCI bar. Alan