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, 3 May 2001 05:49:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 3 May 2001 05:49:19 -0400 Received: from t2.redhat.com ([199.183.24.243]:43760 "EHLO passion.cambridge.redhat.com") by vger.kernel.org with ESMTP id ; Thu, 3 May 2001 05:49:11 -0400 X-Mailer: exmh version 2.3 01/15/2001 with nmh-1.0.4 From: David Woodhouse X-Accept-Language: en_GB In-Reply-To: <3AF10E80.63727970@alsa-project.org> In-Reply-To: <3AF10E80.63727970@alsa-project.org> <15089.979.650927.634060@pizda.ninka.net> To: Abramo Bagnara Cc: "David S. Miller" , Geert Uytterhoeven , Linux Kernel Development Subject: Re: unsigned long ioremap()? Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 03 May 2001 10:45:28 +0100 Message-ID: <11718.988883128@redhat.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org abramo@alsa-project.org said: > The problem I see is that with the former solution nothing prevents > from to do: > regs->reg2 = 13; > That's indeed the reason to change ioremap prototype for 2.5. An alternative is to add an fixed offset to the cookie before returning it, and subtract it again in {read,write}[bwl]. -- dwmw2