Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759804AbYBLBwR (ORCPT ); Mon, 11 Feb 2008 20:52:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754650AbYBLBwB (ORCPT ); Mon, 11 Feb 2008 20:52:01 -0500 Received: from rex.snapgear.com ([203.143.235.140]:46445 "EHLO cyberguard.com.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754384AbYBLBwA (ORCPT ); Mon, 11 Feb 2008 20:52:00 -0500 Message-ID: <47B0FBBD.9060009@snapgear.com> Date: Tue, 12 Feb 2008 11:51:57 +1000 From: Greg Ungerer User-Agent: Thunderbird 1.5.0.10 (X11/20070301) MIME-Version: 1.0 To: Russell King - ARM Linux CC: David Woodhouse , Greg KH , linux-kernel@vger.kernel.org, Christoph Hellwig , linux-arm-kernel@lists.arm.linux.org.uk Subject: Re: [PATCH] arch/arm/Kconfig: Make UIO available on ARM architecture References: <20080207125824.GB7111@infradead.org> <20080207130117.GA18750@uranus.ravnborg.org> <200802071609.36960.openembedded@haerwu.biz> <20080207160557.GB28435@flint.arm.linux.org.uk> <20080207202329.GA21949@uranus.ravnborg.org> <1202461453.5469.217.camel@pmac.infradead.org> <20080208094538.GC21852@flint.arm.linux.org.uk> <1202465911.5469.240.camel@pmac.infradead.org> <20080208102347.GD21852@flint.arm.linux.org.uk> <1202467422.5469.245.camel@pmac.infradead.org> <20080208104535.GF21852@flint.arm.linux.org.uk> In-Reply-To: <20080208104535.GF21852@flint.arm.linux.org.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1335 Lines: 33 Russell King - ARM Linux wrote: > On Fri, Feb 08, 2008 at 10:43:42AM +0000, David Woodhouse wrote: >> On Fri, 2008-02-08 at 10:23 +0000, Russell King - ARM Linux wrote: >>> That would be misleading though - !CPU_CP15_MMU does not mean we >>> support unaligned accesses. It means that we may have no way to >>> support fixing up unaligned accesses. >> Doesn't that mean you should disallow MTD (or at least 16-bit NOR flash) >> if !CPU_CP15_MMU, then? But at the moment you allow it? > > Ask Hyok or Greg Ungerer. I would agree that it means disabling 16-bit NOR flash, but the 8-bit case should be fine right? A complete disable of MTD seems like overkill. A more fine grained approach would be better. Regards Greg ------------------------------------------------------------------------ Greg Ungerer -- Chief Software Dude EMAIL: gerg@snapgear.com Secure Computing Corporation PHONE: +61 7 3435 2888 825 Stanley St, FAX: +61 7 3891 3630 Woolloongabba, QLD, 4102, Australia WEB: http://www.SnapGear.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/