From mboxrd@z Thu Jan 1 00:00:00 1970 From: "=?iso-8859-1?q?R=E9mi?= Denis-Courmont" Subject: Re: [PATCH] USB host CDC Phonet network interface driver Date: Wed, 22 Jul 2009 14:07:28 +0300 Message-ID: <200907221407.29275.remi.denis-courmont@nokia.com> References: <1248177515-12712-1-git-send-email-remi.denis-courmont@nokia.com> <20090722101102.4aba96bd@lxorguk.ukuu.org.uk> <1248254134.28545.111.camel@violet> Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Alan Cox , Oliver Neukum , ext Dan Williams , "netdev@vger.kernel.org" , "linux-usb@vger.kernel.org" To: ext Marcel Holtmann Return-path: Received: from smtp.nokia.com ([192.100.105.134]:37269 "EHLO mgw-mx09.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751049AbZGVLGJ convert rfc822-to-8bit (ORCPT ); Wed, 22 Jul 2009 07:06:09 -0400 In-Reply-To: <1248254134.28545.111.camel@violet> Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: On Wednesday 22 July 2009 12:15:34 ext Marcel Holtmann wrote: > Hi Alan, > > > > The AT stuff is really problematic. Look at the hoops ISDN and so= ftware > > > modem drivers go through to emulate AT commands. I know even of a > > > CDC-ACM modem which can't deal with AT commands inline (that's wi= thin > > > spec). It seems to me we should have a modem API in kernel. > > > > For devices which don't deal in AT commands probably but for device= s > > whose firmware provides an AT command interface over serial I would > > disagree. > > I fully agree here. Even if you think you get AT commands under contr= ol, > you really won't in the end. That standard is so wildly mis-interpret= ed > that it is not even funny anymore. Possibly. Does anyone known of any "species" bypassing AT commands enti= rely,=20 other than Phonet? as far as GPRS is concerned? --=20 R=E9mi Denis-Courmont Nokia Devices R&D, Maemo Software, Helsinki