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{ "id": 1499420, "url": "http://patchwork.ozlabs.org/api/covers/1499420/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pwm/cover/20210701072927.328254-1-u.kleine-koenig@pengutronix.de/", "project": { "id": 38, "url": "http://patchwork.ozlabs.org/api/projects/38/?format=api", "name": "Linux PWM development", "link_name": "linux-pwm", "list_id": "linux-pwm.vger.kernel.org", "list_email": "linux-pwm@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20210701072927.328254-1-u.kleine-koenig@pengutronix.de>", "list_archive_url": null, "date": "2021-07-01T07:29:24", "name": "[0/3] pwm: Some improvements for legacy drivers", "submitter": { "id": 1476, "url": "http://patchwork.ozlabs.org/api/people/1476/?format=api", "name": "Uwe Kleine-König", "email": "u.kleine-koenig@pengutronix.de" }, "mbox": "http://patchwork.ozlabs.org/project/linux-pwm/cover/20210701072927.328254-1-u.kleine-koenig@pengutronix.de/mbox/", "series": [ { "id": 251456, "url": "http://patchwork.ozlabs.org/api/series/251456/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pwm/list/?series=251456", "date": "2021-07-01T07:29:25", "name": "pwm: Some improvements for legacy drivers", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/251456/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/1499420/comments/", "headers": { "Return-Path": "<linux-pwm-owner@vger.kernel.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": "ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=23.128.96.18; helo=vger.kernel.org;\n envelope-from=linux-pwm-owner@vger.kernel.org; receiver=<UNKNOWN>)", "Received": [ "from vger.kernel.org (vger.kernel.org [23.128.96.18])\n\tby ozlabs.org (Postfix) with ESMTP id 4GFqbh1twsz9sWw\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 1 Jul 2021 17:29:36 +1000 (AEST)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n id S229906AbhGAHcE (ORCPT <rfc822;incoming@patchwork.ozlabs.org>);\n Thu, 1 Jul 2021 03:32:04 -0400", "from lindbergh.monkeyblade.net ([23.128.96.19]:52744 \"EHLO\n lindbergh.monkeyblade.net\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n with ESMTP id S234733AbhGAHcE (ORCPT\n <rfc822;linux-pwm@vger.kernel.org>); Thu, 1 Jul 2021 03:32:04 -0400", "from metis.ext.pengutronix.de (metis.ext.pengutronix.de\n [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33])\n by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2157DC0617A8\n for <linux-pwm@vger.kernel.org>; Thu, 1 Jul 2021 00:29:33 -0700 (PDT)", "from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0])\n by metis.ext.pengutronix.de with esmtps\n (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.92)\n (envelope-from <ukl@pengutronix.de>)\n id 1lyr8c-00038x-Ot; Thu, 01 Jul 2021 09:29:30 +0200", "from ukl by ptx.hi.pengutronix.de with local (Exim 4.92)\n (envelope-from <ukl@pengutronix.de>)\n id 1lyr8b-0006xy-Ht; Thu, 01 Jul 2021 09:29:29 +0200" ], "From": "=?utf-8?q?Uwe_Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>", "To": "Thierry Reding <thierry.reding@gmail.com>,\n Lee Jones <lee.jones@linaro.org>", "Cc": "linux-pwm@vger.kernel.org, kernel@pengutronix.de,\n Geert Uytterhoeven <geert@linux-m68k.org>", "Subject": "[PATCH 0/3] pwm: Some improvements for legacy drivers", "Date": "Thu, 1 Jul 2021 09:29:24 +0200", "Message-Id": "<20210701072927.328254-1-u.kleine-koenig@pengutronix.de>", "X-Mailer": "git-send-email 2.30.2", "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::c0", "X-SA-Exim-Mail-From": "ukl@pengutronix.de", "X-SA-Exim-Scanned": "No (on metis.ext.pengutronix.de);\n SAEximRunCond expanded to false", "X-PTX-Original-Recipient": "linux-pwm@vger.kernel.org", "Precedence": "bulk", "List-ID": "<linux-pwm.vger.kernel.org>", "X-Mailing-List": "linux-pwm@vger.kernel.org" }, "content": "Hello,\n\nthis is the successor of my earlier patch \"pwm: Ensure for legacy\ndrivers that pwm->state stays consistent\" that was applied shortly to\nnext until Geert found a problem with it.\n\nI split the patch in three parts now: First the legacy handling is just\nmoved to a separate function without any semantic change. Then a glitch\nis fixed, but without the regression I introduced initially. In the\nthird and last patch the longstanding FIXME about breaking pwm->state if\na callback fails is addressed.\n\nUwe Kleine-König (3):\n pwm: Move legacy driver handling into a dedicated function\n pwm: Prevent a glitch for legacy drivers\n pwm: Restore initial state if a legacy callback fails\n\n drivers/pwm/core.c | 139 ++++++++++++++++++++++++++-------------------\n 1 file changed, 79 insertions(+), 60 deletions(-)\n\n\nbase-commit: 6efb943b8616ec53a5e444193dccf1af9ad627b5" }