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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 2/2] tty: n_gsm: add partial copyright Siemens Mobility GmbH Date: Thu, 26 Oct 2023 07:58:44 +0200 Message-Id: <20231026055844.3127-2-daniel.starke@siemens.com> In-Reply-To: <20231026055844.3127-1-daniel.starke@siemens.com> References: <20231026055844.3127-1-daniel.starke@siemens.com> MIME-Version: 1.0 X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-314044:519-21489:flowmailer X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Wed, 25 Oct 2023 23:01:35 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780796723435640924 X-GMAIL-MSGID: 1780796723435640924 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 partial 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 0ee7531c9201..fa882c7f4770 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 + * Portions 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..101ebd15954e 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 */ +/* Portions Copyright (c) 2022/23 Siemens Mobility GmbH */ #ifndef _LINUX_GSMMUX_H #define _LINUX_GSMMUX_H