From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73780C433DF for ; Tue, 7 Jul 2020 17:00:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5AEA22065F for ; Tue, 7 Jul 2020 17:00:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728265AbgGGRAK (ORCPT ); Tue, 7 Jul 2020 13:00:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47696 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728094AbgGGRAJ (ORCPT ); Tue, 7 Jul 2020 13:00:09 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1D8D0C08C5DC for ; Tue, 7 Jul 2020 10:00:09 -0700 (PDT) Received: from pty.hi.pengutronix.de ([2001:67c:670:100:1d::c5]) by metis.ext.pengutronix.de with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jsqwt-0004FO-U6; Tue, 07 Jul 2020 19:00:03 +0200 Received: from ukl by pty.hi.pengutronix.de with local (Exim 4.89) (envelope-from ) id 1jsqws-00038k-Gs; Tue, 07 Jul 2020 19:00:02 +0200 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= To: Jacek Anaszewski , Pavel Machek , Dan Murphy , Greg Kroah-Hartman , Jiri Slaby Cc: kernel@pengutronix.de, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, Johan Hovold Subject: [PATCH v7 0/3] leds: trigger: implement a tty trigger Date: Tue, 7 Jul 2020 18:59:55 +0200 Message-Id: <20200707165958.16522-1-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c5 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, this is v7 of a series adding support for tty triggers. See patch 3 for how to use it. The first two patches provide the necessary infrastructure in the tty subsystem to make the trigger possible. Changes compared to v6 sent with Message-Id: 20200213091600.554-1-uwe@kleine-koenig.org on 13 Feb 2020: - use the tty's name instead of its major:minor - drop kstrtodev_t helper - retry opening the tty in case it only appears after it was configured in the trigger Uwe Kleine-König (3): tty: rename tty_kopen() and add new function tty_kopen_shared() tty: new helper function tty_get_icount() leds: trigger: implement a tty trigger .../ABI/testing/sysfs-class-led-trigger-tty | 6 + drivers/leds/trigger/Kconfig | 7 + drivers/leds/trigger/Makefile | 1 + drivers/leds/trigger/ledtrig-tty.c | 192 ++++++++++++++++++ drivers/staging/speakup/spk_ttyio.c | 2 +- drivers/tty/tty_io.c | 87 ++++++-- include/linux/tty.h | 7 +- 7 files changed, 277 insertions(+), 25 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-class-led-trigger-tty create mode 100644 drivers/leds/trigger/ledtrig-tty.c base-commit: dcb7fd82c75ee2d6e6f9d8cc71c52519ed52e258 -- 2.27.0