{"id":1839979,"url":"http://patchwork.ozlabs.org/api/covers/1839979/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/cover/20230926-gpio-led-trigger-dt-v2-0-e06e458b788e@linaro.org/","project":{"id":42,"url":"http://patchwork.ozlabs.org/api/projects/42/?format=json","name":"Linux GPIO development","link_name":"linux-gpio","list_id":"linux-gpio.vger.kernel.org","list_email":"linux-gpio@vger.kernel.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20230926-gpio-led-trigger-dt-v2-0-e06e458b788e@linaro.org>","list_archive_url":null,"date":"2023-09-26T21:48:10","name":"[v2,0/3] Rewrite GPIO LED trigger to use trigger-sources","submitter":{"id":7055,"url":"http://patchwork.ozlabs.org/api/people/7055/?format=json","name":"Linus Walleij","email":"linus.walleij@linaro.org"},"mbox":"http://patchwork.ozlabs.org/project/linux-gpio/cover/20230926-gpio-led-trigger-dt-v2-0-e06e458b788e@linaro.org/mbox/","series":[{"id":375009,"url":"http://patchwork.ozlabs.org/api/series/375009/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/list/?series=375009","date":"2023-09-26T21:48:11","name":"Rewrite GPIO LED trigger to use trigger-sources","version":2,"mbox":"http://patchwork.ozlabs.org/series/375009/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/covers/1839979/comments/","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=lsTrmsIP;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2620:137:e000::1:20; helo=out1.vger.email;\n envelope-from=linux-gpio-owner@vger.kernel.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20])\n\tby legolas.ozlabs.org (Postfix) with ESMTP id 4RwHwY5F6Lz1yp0\n\tfor ; Wed, 27 Sep 2023 10:46:05 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n id S232262AbjI0AqB (ORCPT );\n Tue, 26 Sep 2023 20:46:01 -0400","from lindbergh.monkeyblade.net ([23.128.96.19]:35358 \"EHLO\n lindbergh.monkeyblade.net\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n with ESMTP id S229555AbjI0AoB (ORCPT\n ); Tue, 26 Sep 2023 20:44:01 -0400","from mail-lf1-x12e.google.com (mail-lf1-x12e.google.com\n [IPv6:2a00:1450:4864:20::12e])\n by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BF5097EDF\n for ;\n Tue, 26 Sep 2023 14:48:16 -0700 (PDT)","by mail-lf1-x12e.google.com with SMTP id\n 2adb3069b0e04-502e7d66c1eso15868319e87.1\n for ;\n Tue, 26 Sep 2023 14:48:16 -0700 (PDT)","from [127.0.1.1] ([85.235.12.238])\n by smtp.gmail.com with ESMTPSA id\n f10-20020a19ae0a000000b0050334e5f5a8sm2299982lfc.271.2023.09.26.14.48.14\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Tue, 26 Sep 2023 14:48:14 -0700 (PDT)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=linaro.org; s=google; t=1695764895; x=1696369695;\n darn=vger.kernel.org;\n h=cc:to:content-transfer-encoding:mime-version:message-id:date\n :subject:from:from:to:cc:subject:date:message-id:reply-to;\n bh=XtIGAJAIn5DFyAAok8KJTgELmOKMBX9AjGhOfdYwP9U=;\n b=lsTrmsIPu0gmn8AcD60ok0KEm1Hg/8coLlGwBA4bCQN/ZCAzNgtj6zXpZUEN1Q0e/S\n ZmIt4HSagXgR59rsCtpRrbJIOECxGJ1WmYzU6z0XT9qiNjz2OUOX4viNs70806Tli21s\n vG6YBqXBP4KHzGhAwS7ioHianYwlD1guOZYi6/fr1SF1ZnBMDKyPmpzSMNNbsmSiBtvp\n ij75kfDitb3p/wRv6vm4sJgwROJoqir3uE+apqB3giHrQrCHw8bwgrfDudk6hS1AWua8\n 8GpUcai+VMu2P7kzIBfpQLB4MRyzMzpD7c3LoPTyxgnVMmF2Ey/uHpN/6bgEt0tsWqpQ\n qCWg==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20230601; t=1695764895; x=1696369695;\n h=cc:to:content-transfer-encoding:mime-version:message-id:date\n :subject:from:x-gm-message-state:from:to:cc:subject:date:message-id\n :reply-to;\n bh=XtIGAJAIn5DFyAAok8KJTgELmOKMBX9AjGhOfdYwP9U=;\n b=ZsZwNBnVBW/SyTLgbXQXMtDsOMuI8DmCAX096w0UrIwoP+tHey9+CyuFfk2O7VdOZG\n LGcvnRPeMTpxzJDe8ohDBeE+0Lq8JuxKloLAnRcGkigR0yXCpiTkhFdhK2ZufiqGRadb\n N9rGBPaZbUPi9rfWe8yUpLnkhKG1/WCDNzRfb9CNT/vqKawaO5GXxdK8YYHRfZLcUM0I\n nz28dC7+PpAKuAIqvJaPmAMIfQyyukXsb9BMvHvW/l0y2rnvp8ZLCfdGmbsxuZqVi8LX\n yeIlAJIknzSucagpGRyiLj0MCJXTYh4XYuV4qlf4YuwU/dGaIaKKzvRdFayfE7noBUei\n W9vw==","X-Gm-Message-State":"AOJu0YxCf3EbbYku10btIEIaYCiys8nBYs/IzV2cx27xE/5u5UgB/fhP\n Sc2Xa7I3Ld6VvFW//oxA5IXFoQ==","X-Google-Smtp-Source":"\n AGHT+IGZJN6D1LppUajBIqaDv5vMWuxw8Tz7SHNssCZTCzblqzQErVamJzS0AJFKZ15Ta+fT3NcmDg==","X-Received":"by 2002:ac2:4c31:0:b0:500:d8d6:fc5a with SMTP id\n u17-20020ac24c31000000b00500d8d6fc5amr33695lfq.37.1695764894943;\n Tue, 26 Sep 2023 14:48:14 -0700 (PDT)","From":"Linus Walleij ","Subject":"[PATCH v2 0/3] Rewrite GPIO LED trigger to use trigger-sources","Date":"Tue, 26 Sep 2023 23:48:10 +0200","Message-Id":"<20230926-gpio-led-trigger-dt-v2-0-e06e458b788e@linaro.org>","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","X-B4-Tracking":"v=1; b=H4sIAJpRE2UC/22NQQqDMBBFryKz7pRkxBa76j2Ki9iMcUCMTIK0i\n HdvKnTX5Xvw398gsQonuFUbKK+SJM4F6FTBc3RzYBRfGMhQbVprMSwScWKPWSUEVvQZW6K+Z7K\n DI4KyXJQHeR3VR1d4lJSjvo+T1X7tr0d/e6tFg7ZvDNfX5uK9u08yO43nqAG6fd8/I9dZIbcAA\n AA=","To":"=?utf-8?q?Jan_Kundr=C3=A1t?= ,\n Pavel Machek , Lee Jones ,\n Rob Herring ,\n Krzysztof Kozlowski ,\n Conor Dooley ,\n Jacek Anaszewski ","Cc":"linux-leds@vger.kernel.org, linux-gpio@vger.kernel.org,\n devicetree@vger.kernel.org,\n Linus Walleij ,\n Conor Dooley ","X-Mailer":"b4 0.12.3","X-Spam-Status":"No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,\n DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED,\n SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6","X-Spam-Checker-Version":"SpamAssassin 3.4.6 (2021-04-09) on\n lindbergh.monkeyblade.net","Precedence":"bulk","List-ID":"","X-Mailing-List":"linux-gpio@vger.kernel.org"},"content":"This rewrites the platform-data GPIO LED trigger to instead\nuse fwnode trigger-sources to describe the LED used.\n\nThis will work out-of-the-box with e.g. device tree.\n\nTested with real hardware by modifying a device tree adding\ntrigger-sources to a LED and trigger-source-cells to\na gpio chip, setting the trigger to a pushbutton. It works\nlike a charm, once the trigger is set to \"gpio\".\n\nAdding trigger-sources to GPIO chips in a simple way requires\nthis patch to be merged to the generic dtschema:\nhttps://lore.kernel.org/linux-devicetree/20230916-gpio-triggers-v1-1-6e5052bead9a@linaro.org/\n\nSigned-off-by: Linus Walleij \n---\nChanges in v2:\n- Add a quirk to gpiolib-of to allow to read out trigger-sources as\n any regular GPIO.\n- Fix a use-after-free bug found by Dan Carpenter.\n- Tested on hardware.\n- Link to v1: https://lore.kernel.org/r/20230912-gpio-led-trigger-dt-v1-0-1b50e3756dda@linaro.org\n\n---\nLinus Walleij (3):\n gpiolib: of: Allow \"trigger-sources\" to reference a GPIO\n dt-bindings: leds: Mention GPIO triggers\n leds: triggers: gpio: Rewrite to use trigger-sources\n\n Documentation/devicetree/bindings/leds/common.yaml | 2 +\n drivers/gpio/gpiolib-of.c | 28 +++++\n drivers/leds/trigger/Kconfig | 5 +-\n drivers/leds/trigger/ledtrig-gpio.c | 137 ++++++---------------\n 4 files changed, 71 insertions(+), 101 deletions(-)\n---\nbase-commit: 8eb1c4d9b44873d30efc1846148944534f4a017d\nchange-id: 20230911-gpio-led-trigger-dt-922bbe21fa22\n\nBest regards,"}