From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754062Ab1JYIXp (ORCPT ); Tue, 25 Oct 2011 04:23:45 -0400 Received: from cassiel.sirena.org.uk ([80.68.93.111]:41566 "EHLO cassiel.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751469Ab1JYIXn (ORCPT ); Tue, 25 Oct 2011 04:23:43 -0400 Date: Tue, 25 Oct 2011 09:23:35 +0100 From: Mark Brown To: Grant Likely Cc: Tony Lindgren , Linus Walleij , Stephen Warren , Mike Frysinger , Linus Walleij , Sascha Hauer , Barry Song <21cnbao@gmail.com>, linux-kernel@vger.kernel.org, Joe Perches , Russell King , Linaro Dev , Lee Jones , David Brown , linux-arm-kernel@lists.infradead.org, Stijn Devriendt Subject: Re: [PATCH] drivers: create a pin control subsystem v8 Message-ID: <20111025082334.GA21616@sirena.org.uk> References: <20111004203520.GK2870@ponder.secretlab.ca> <20111024073604.GA8708@ponder.secretlab.ca> <20111024110518.GG8708@ponder.secretlab.ca> <20111025080532.GI4429@atomide.com> <20111025081719.GA4605@ponder.secretlab.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20111025081719.GA4605@ponder.secretlab.ca> X-Cookie: For off-road use only. User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: broonie@sirena.org.uk X-SA-Exim-Scanned: No (on cassiel.sirena.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 25, 2011 at 10:17:19AM +0200, Grant Likely wrote: > I've got no issue with a debugfs interface, although it would probably > a good idea to put a big scary warning into klog when userspace starts > manipulating pinctrl setting. Maybe should taint the kernel too. Yes, we really should taint the kernel for any non-mediated interface - never mind instability this stuff can cause physical damage if you get it wrong.