From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265591AbTG1Xz7 (ORCPT ); Mon, 28 Jul 2003 19:55:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270272AbTG1Xz7 (ORCPT ); Mon, 28 Jul 2003 19:55:59 -0400 Received: from dns1.atmark-techno.com ([61.199.192.114]:6151 "EHLO dns1.atmark-techno.com") by vger.kernel.org with ESMTP id S265591AbTG1Xz6 (ORCPT ); Mon, 28 Jul 2003 19:55:58 -0400 Date: Tue, 29 Jul 2003 08:55:55 +0900 From: Yasushi SHOJI To: linux-kernel@vger.kernel.org Subject: request_region for no dynamic bus sizing User-Agent: User-Agent: Wanderlust/2.10.1 Reply-To: yashi@atmark-techno.com MIME-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen") Content-Type: text/plain; charset=US-ASCII Message-Id: <20030728235555.5D4C03E610@dns1.atmark-techno.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org hello all, I've been working on a cpu board (which is arm based, but not relevant in this issue, IMO) which does _not_ have dynamic bus sizing capability. the way the board is setup is that there is memory region for both 8bit access and 16bit access for same bus address, so that one can use either region for appropriate bus width access. the problem is, however, that because there is two memory region for one bus address, I have to call two request_region()s to avoid misuse. what i'd like to ask is that "is anyone using such kind of board to run linux? if so, how do you do?" I just got sick fixing device driver everytime using on the board. ;p tia, -- yashi