From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 20 Dec 2001 08:22:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 20 Dec 2001 08:22:24 -0500 Received: from jurassic.park.msu.ru ([195.208.223.243]:34826 "EHLO jurassic.park.msu.ru") by vger.kernel.org with ESMTP id ; Thu, 20 Dec 2001 08:22:17 -0500 Date: Thu, 20 Dec 2001 16:18:40 +0300 From: Ivan Kokshaysky To: Russell King Cc: "David S. Miller" , hpa@zytor.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] PCI updates - 32-bit IO support Message-ID: <20011220161840.B5330@jurassic.park.msu.ru> In-Reply-To: <20011218235024.N13126@flint.arm.linux.org.uk> <9vrmea$mef$1@cesium.transmeta.com> <20011219.213019.35013739.davem@redhat.com> <20011220093710.C29925@flint.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20011220093710.C29925@flint.arm.linux.org.uk>; from rmk@arm.linux.org.uk on Thu, Dec 20, 2001 at 09:37:10AM +0000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 20, 2001 at 09:37:10AM +0000, Russell King wrote: > - setting the bridge and eepro100 up with 32-bit IO addresses which > correspond to the host MMIO region, it works perfectly. Note that this wouldn't work with DEC 2105x PCI-PCI bridges, which support only 16 bit I/O forwarding. However, the patch is totally harmless for architectures limiting I/O to 64K. Ivan.