From patchwork Fri Oct 27 05:39:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "D. Starke" X-Patchwork-Id: 738905 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6072FC25B48 for ; Fri, 27 Oct 2023 05:41:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229633AbjJ0Fla (ORCPT ); Fri, 27 Oct 2023 01:41:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42120 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229590AbjJ0Fl3 (ORCPT ); Fri, 27 Oct 2023 01:41:29 -0400 X-Greylist: delayed 61 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Thu, 26 Oct 2023 22:41:26 PDT Received: from mta-65-227.siemens.flowmailer.net (mta-65-227.siemens.flowmailer.net [185.136.65.227]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0485B1AC for ; Thu, 26 Oct 2023 22:41:25 -0700 (PDT) Received: by mta-65-227.siemens.flowmailer.net with ESMTPSA id 202310270540212456d5a93266ceede1 for ; Fri, 27 Oct 2023 07:40:21 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=fm1; d=siemens.com; i=daniel.starke@siemens.com; h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:Cc; bh=/KZ/e7ZMbAbly9okDCQ6zH4k2JlUxSD/DyA86W16Z+k=; b=qIxsC0d8D+pXUIy5HcRwCfSS1WpXHiH8s3D6Ak5jTZ7MpK2O05CQDZGIvX9MQNm5RyRrYJ CrR0NQK5q0lyRT46rCCdw7VD9/DwUjUIHHZbcgCSpxD5ptxYZpnrzWnU00xV3+JZJsCsMM8e 9BgUVbVIhmm6lEYXrOXJj1YSkv8ak=; From: "D. Starke" To: linux-serial@vger.kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, ilpo.jarvinen@linux.intel.com Cc: linux-kernel@vger.kernel.org, Daniel Starke Subject: [PATCH 1/1] tty: n_gsm: add copyright Siemens Mobility GmbH Date: Fri, 27 Oct 2023 07:39:03 +0200 Message-Id: <20231027053903.1886-1-daniel.starke@siemens.com> MIME-Version: 1.0 X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-314044:519-21489:flowmailer Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org From: Daniel Starke More than 1/3 of the n_gsm code has been contributed by us in the last 1.5 years, completing conformance with the standard and stabilizing the driver: - added UI (unnumbered information) frame support - added PN (parameter negotiation) message handling and function support - added optional keep-alive control link supervision via test messages - added TIOCM_OUT1 and TIOCM_OUT2 to allow responder to operate as modem - added TIOCMIWAIT support on virtual ttys - added additional ioctls and parameters to configure the new functions - added overall locking mechanism to avoid data race conditions - added outgoing data flow to decouple physical from virtual tty handling for better performance and to avoid dead-locks - fixed advanced option mode implementation - fixed convergence layer type 2 implementation - fixed handling of CLD (multiplexer close down) messages - fixed broken muxer close down procedure - and many more bug fixes With this most of our initial RFC has been implemented. It gives the driver a quality boost unseen in the decade before. Add a copyright notice to the n_gsm files to highlight this contribution. Link: https://lore.kernel.org/all/20220225080758.2869-1-daniel.starke@siemens.com/ Signed-off-by: Daniel Starke --- drivers/tty/n_gsm.c | 1 + include/uapi/linux/gsmmux.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 1f3aba607cd5..647e06b656bf 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -2,6 +2,7 @@ /* * n_gsm.c GSM 0710 tty multiplexor * Copyright (c) 2009/10 Intel Corporation + * Copyright (c) 2022/23 Siemens Mobility GmbH * * * THIS IS A DEVELOPMENT SNAPSHOT IT IS NOT A FINAL RELEASE * * diff --git a/include/uapi/linux/gsmmux.h b/include/uapi/linux/gsmmux.h index 4c878d84dbda..3a93f17ca943 100644 --- a/include/uapi/linux/gsmmux.h +++ b/include/uapi/linux/gsmmux.h @@ -1,4 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* Copyright (c) 2022/23 Siemens Mobility GmbH */ #ifndef _LINUX_GSMMUX_H #define _LINUX_GSMMUX_H