Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754482AbXFUXbw (ORCPT ); Thu, 21 Jun 2007 19:31:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751176AbXFUXbp (ORCPT ); Thu, 21 Jun 2007 19:31:45 -0400 Received: from moutng.kundenserver.de ([212.227.126.171]:50030 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751303AbXFUXbo (ORCPT ); Thu, 21 Jun 2007 19:31:44 -0400 From: Arnd Bergmann To: Jean Delvare Subject: Re: Writing a driver for a legacy serial device Date: Fri, 22 Jun 2007 01:31:08 +0200 User-Agent: KMail/1.9.6 Cc: David Woodhouse , Dmitry Torokhov , LKML , Vojtech Pavlik References: <20070619190502.05d4e0c8@hyperion.delvare> <1182437233.2782.36.camel@shinybook.infradead.org> <20070621203843.044fd19a@hyperion.delvare> In-Reply-To: <20070621203843.044fd19a@hyperion.delvare> X-Face: >j"dOR3XO=^3iw?0`(E1wZ/&le9!.ok[JrI=S~VlsF~}"P\+jx.GT@=?utf-8?q?=0A=09-oaEG?=,9Ba>v;3>:kcw#yO5?B:l{(Ln.2)=?utf-8?q?=27=7Dfw07+4-=26=5E=7CScOpE=3F=5D=5EXdv=5B/zWkA7=60=25M!DxZ=0A=09?= =?utf-8?q?8MJ=2EU5?="hi+2yT(k`PF~Zt;tfT,i,JXf=x@eLP{7B:"GyA\=UnN) =?utf-8?q?=26=26qdaA=3A=7D-Y*=7D=3A3YvzV9=0A=09=7E=273a=7E7I=7CWQ=5D?=<50*%U-6Ewmxfzdn/CK_E/ouMU(r?FAQG/ev^JyuX.%(By`" =?utf-8?q?L=5F=0A=09H=3Dbj?=)"y7*XOqz|SS"mrZ$`Q_syCd MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200706220131.08954.arnd@arndb.de> X-Provags-ID: V01U2FsdGVkX187ztGrPaouietp8+TiRXgZwyBqfBQ1tiS24UN KukGOAbbF5jUkFUjKSXtttR/evkayfk+dDPnndHhi93sTrJfsJ T5626uN6eTPKmqFLsgkHw== Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 652 Lines: 16 On Thursday 21 June 2007, Jean Delvare wrote: > I2C bus drivers have to be implemented in the kernel, so user-space > isn't an option for me. Well, you could have an i2c_algorithm that exports a character device node to user space, and then have a trivial user application that simply relays between that and the serial port. It's probably not much different to what you have in the end though. Arnd <>< - 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/