From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753897AbcHRLne (ORCPT ); Thu, 18 Aug 2016 07:43:34 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:55179 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751627AbcHRLnc (ORCPT ); Thu, 18 Aug 2016 07:43:32 -0400 Date: Thu, 18 Aug 2016 13:42:54 +0200 From: Pavel Machek To: Greg Kroah-Hartman Cc: Marcel Holtmann , "H. Nikolaus Schaller" , Rob Herring , Jiri Slaby , Sebastian Reichel , Peter Hurley , NeilBrown , Arnd Bergmann , Linus Walleij , "open list:BLUETOOTH DRIVERS" , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 0/3] UART slave device bus Message-ID: <20160818114254.GF7427@amd> References: <20160818011445.22726-1-robh@kernel.org> <118926C8-F4D0-41F5-B6A8-690E0312F3FB@goldelico.com> <28DDAF2B-2341-403B-80D8-DA0A63F51FF1@holtmann.org> <20160818105521.GB7031@kroah.com> <6A3D5EFF-AC8B-4039-AFF8-652687EB8EDA@holtmann.org> <20160818112435.GA20876@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160818112435.GA20876@kroah.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi! > > > I would _love_ to see that happen, but what about the GPS line > > > discipline that we have today? How would that match up with a char > > > device driver? > > > > we have a GPS line discipline? What is that one doing? As far as I > > know all GPS implementations are fully userspace. > > Hm, for some reason I thought that was what n_gsm.c was being used for, > but I could be wrong, I've never seen the hardware that uses that > code... n_gsm.c seems to be multiplexing support. Splits one serial link into multiple "virtual" serial links. Nothing to do with GPS explicitely, altrough it looks NMEA data is going to go over one of the channels sometimes. I guess we should care about that later... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [RFC PATCH 0/3] UART slave device bus Date: Thu, 18 Aug 2016 13:42:54 +0200 Message-ID: <20160818114254.GF7427@amd> References: <20160818011445.22726-1-robh@kernel.org> <118926C8-F4D0-41F5-B6A8-690E0312F3FB@goldelico.com> <28DDAF2B-2341-403B-80D8-DA0A63F51FF1@holtmann.org> <20160818105521.GB7031@kroah.com> <6A3D5EFF-AC8B-4039-AFF8-652687EB8EDA@holtmann.org> <20160818112435.GA20876@kroah.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20160818112435.GA20876-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org> Sender: linux-bluetooth-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Greg Kroah-Hartman Cc: Marcel Holtmann , "H. Nikolaus Schaller" , Rob Herring , Jiri Slaby , Sebastian Reichel , Peter Hurley , NeilBrown , Arnd Bergmann , Linus Walleij , "open list:BLUETOOTH DRIVERS" , linux-serial-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-serial@vger.kernel.org Hi! > > > I would _love_ to see that happen, but what about the GPS line > > > discipline that we have today? How would that match up with a char > > > device driver? > > > > we have a GPS line discipline? What is that one doing? As far as I > > know all GPS implementations are fully userspace. > > Hm, for some reason I thought that was what n_gsm.c was being used for, > but I could be wrong, I've never seen the hardware that uses that > code... n_gsm.c seems to be multiplexing support. Splits one serial link into multiple "virtual" serial links. Nothing to do with GPS explicitely, altrough it looks NMEA data is going to go over one of the channels sometimes. I guess we should care about that later... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html