Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754365AbYGYLMi (ORCPT ); Fri, 25 Jul 2008 07:12:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751500AbYGYLMa (ORCPT ); Fri, 25 Jul 2008 07:12:30 -0400 Received: from ppsw-0.csi.cam.ac.uk ([131.111.8.130]:60219 "EHLO ppsw-0.csi.cam.ac.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750706AbYGYLM3 (ORCPT ); Fri, 25 Jul 2008 07:12:29 -0400 X-Cam-SpamDetails: Not scanned X-Cam-AntiVirus: No virus found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Message-ID: <4889B524.5010602@gmail.com> Date: Fri, 25 Jul 2008 12:12:36 +0100 From: Jonathan Cameron User-Agent: Thunderbird 2.0.0.0 (X11/20070423) MIME-Version: 1.0 To: Jan Engelhardt CC: LKML , spi-devel-general@lists.sourceforge.net, LM Sensors , Jean Delvare , Dmitry Torokhov , "Hans J. Koch" , hmh@hmh.eng.br, David Brownell , mgross@linux.intel.com, Ben Nizette , Anton Vorontsov Subject: Re: [Patch 0/4] IndustrialIO subsystem (ADCs, accelerometers etc) References: <488763AD.4050400@gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1236 Lines: 37 Jan Engelhardt wrote: > On Wednesday 2008-07-23 19:00, Jonathan Cameron wrote: > > >> Dear All, >> >> The need for an industrialio subsystem was discussed in >> http://lkml.org/lkml/2008/5/20/135 >> >> Firstly thanks to all the people who have contributed to the discussion >> of this in the past. >> >> In brief the intention is provide a kernel subsystem directed towards the >> handling on sensors (and later related output devices) such as ADC's, >> accelerometers and many others. >> > > Could this be done using UIO instead? > No, this lot is directed towards devices that use serial buses such as i2c and SPI whereas UIO is, from my admittedly cursory knowledge, intended for devices which can have their control registers memory mapped into user space. Looks like I need to be a bit more specific in my descriptions. It's terrible but as all the sensors etc I work with are connected like this it never occurred to me to make it explicit in the description. -- Jonathan -- 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/