From patchwork Tue Mar 7 15:51:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guenter Roeck X-Patchwork-Id: 660480 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B9B74C6FD1B for ; Tue, 7 Mar 2023 15:52:47 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id EFBA814B3; Tue, 7 Mar 2023 16:51:54 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz EFBA814B3 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1678204365; bh=S2jQAjivcxngj4YUsJsisYUEXEAEB8jJd7V/HXufd2Q=; h=From:To:Subject:Date:CC:List-Id:List-Archive:List-Help:List-Owner: List-Post:List-Subscribe:List-Unsubscribe:From; b=HMAWVi7K922ZX8HU9sey5zQsJg2aTAJsfG/1Zz5lghqqChrTo4P2OZzG9Zf1VawCU O7JzebDmtycpPCp1NZWJWPFkrZAAJMjDXEXbv4rk307wRBvKteFh819xrKJS631X4p I+K/gJ9XYVVuZWY6QCRgFCFqGGxKY9YfgVSZDvd4= Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 9A879F8042F; Tue, 7 Mar 2023 16:51:32 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id A35CFF8042F; Tue, 7 Mar 2023 16:51:27 +0100 (CET) Received: from mail-ot1-x333.google.com (mail-ot1-x333.google.com [IPv6:2607:f8b0:4864:20::333]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id F1C2AF800DF for ; Tue, 7 Mar 2023 16:51:17 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz F1C2AF800DF Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key, unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20210112 header.b=ofWVW8v5 Received: by mail-ot1-x333.google.com with SMTP id r23-20020a05683001d700b00690eb18529fso7396815ota.1 for ; Tue, 07 Mar 2023 07:51:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1678204276; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:sender:from:to:cc:subject:date:message-id:reply-to; bh=yaCugjNm/G2Z6PUshJITW/CcWRfLta4oMrbycqzUiTw=; b=ofWVW8v5IS/sfA2wpQoe3EPCDzB6NbRGvZfG/XP5+Rgr2hhIxEHlRTtgPHdftwvUmN V+4dLMf0bX3Qtj7+LeSTS1X576ZrS+iOxNml5NFce7UsaBKtgmOeXldVQwZrloheumYa 1EnC/9u7bbFYEzYJluPMGfBAALrjxz5dZFVWlf6CgQ9LhKi8qBFy8ZKYIi886g9AZxN5 9nQLu/EslJ3R0E+dCly00J/aWgyyhIX06tQgO2UYfML/MMtqNdpr2ArH7ySZ8BDEyn+a LUEqyjRwJ1XQ6sxvxt9xhIn/1hafWFK6DhzqLToSds8v3TVrWzS/N/9aTxREMpitQJ+F 911w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678204276; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:sender:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=yaCugjNm/G2Z6PUshJITW/CcWRfLta4oMrbycqzUiTw=; b=xGkQhifpUteO17/bw4EssLRinO+n+bXSKoCaF/5V5kvUt97hKpDQvKwRwEeOok4x8K jKFLFQyaHSzp/vq8nL/CING0FQkE0DCnc7g9lkqgoSW/Vltiv0aanWBQYr7FSCROBFnF xFi2ihWJDB1ZHeDCGHRirwBRGgu1gwfr6wO260qK3MnO73rEQcEXmIWM69OLtWc/JVaC +G2j8l+10I9bUI2pWneq0FvjPWkNMQMPdf7IrTQrKyF5nIW5OOsnkUOCXdL0gqjsv3eb cEShLHTUlmaErdbTxB6oPSeyAZEuLS9yUW7nAwJNVvlb4iGr8AnOQzQNiKVoDjciB6iI 4uYA== X-Gm-Message-State: AO0yUKXqG5cfhxsM4QeinFJ6At0W+6V9zgobYzUiz3ojlvKVjfAHu8nd 6q5y0in3FPoNrFoSOBXSTes= X-Google-Smtp-Source: AK7set+4tpOoPJzih4H3Nbev61S29Ht5G6Nq1DQL8Bcj7hhAxFBYuresSasJED2ckXYChGY6Tob/bQ== X-Received: by 2002:a9d:17cd:0:b0:670:885e:f8ff with SMTP id j71-20020a9d17cd000000b00670885ef8ffmr6011313otj.8.1678204275839; Tue, 07 Mar 2023 07:51:15 -0800 (PST) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id b26-20020a9d479a000000b0068bcb44e7f5sm5417243otf.68.2023.03.07.07.51.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Mar 2023 07:51:15 -0800 (PST) Sender: Guenter Roeck From: Guenter Roeck To: Support Opensource Subject: [PATCH] ASoC: da7219: Initialize jack_det_mutex Date: Tue, 7 Mar 2023 07:51:11 -0800 Message-Id: <20230307155111.1985522-1-linux@roeck-us.net> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Message-ID-Hash: KRZRFFTNM3A2GLQ3S55CK6YHJX4FQJDL X-Message-ID-Hash: KRZRFFTNM3A2GLQ3S55CK6YHJX4FQJDL X-MailFrom: groeck7@gmail.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: Liam Girdwood , Mark Brown , Takashi Iwai , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Guenter Roeck , David Rau X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: The following traceback is reported if mutex debugging is enabled. DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 0 PID: 17 at kernel/locking/mutex.c:950 __mutex_lock_common+0x31c/0x11d4 Modules linked in: CPU: 0 PID: 17 Comm: kworker/0:1 Not tainted 5.10.172-lockdep-21846-g849884cfca5a #1 fd2de466502012eb58bc8beb467f07d0b925611f Hardware name: MediaTek kakadu rev0/rev1 board (DT) Workqueue: events da7219_aad_jack_det_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO BTYPE=--) pc : __mutex_lock_common+0x31c/0x11d4 lr : __mutex_lock_common+0x31c/0x11d4 sp : ffffff80c0317ae0 x29: ffffff80c0317b50 x28: ffffff80c0317b20 x27: 0000000000000000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000100000000 x23: ffffffd0121d296c x22: dfffffd000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffffff80c73d7190 x18: 1ffffff018050f52 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : 83f0d991da544b00 x8 : 83f0d991da544b00 x7 : 0000000000000000 x6 : 0000000000000001 x5 : ffffff80c03176a0 x4 : 0000000000000000 x3 : ffffffd01067fd78 x2 : 0000000100000000 x1 : ffffff80c030ba80 x0 : 0000000000000028 Call trace: __mutex_lock_common+0x31c/0x11d4 mutex_lock_nested+0x98/0xac da7219_aad_jack_det_work+0x54/0xf0 process_one_work+0x6cc/0x19dc worker_thread+0x458/0xddc kthread+0x2fc/0x370 ret_from_fork+0x10/0x30 irq event stamp: 579 hardirqs last enabled at (579): [] exit_to_kernel_mode+0x108/0x138 hardirqs last disabled at (577): [] __do_softirq+0x53c/0x125c softirqs last enabled at (578): [] __irq_exit_rcu+0x264/0x4f4 softirqs last disabled at (573): [] __irq_exit_rcu+0x264/0x4f4 ---[ end trace 26da674636181c40 ]--- Initialize the mutex to fix the problem. Cc: David Rau Fixes: 7fde88eda855 ("ASoC: da7219: Improve the IRQ process to increase the stability") Signed-off-by: Guenter Roeck --- sound/soc/codecs/da7219-aad.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/codecs/da7219-aad.c b/sound/soc/codecs/da7219-aad.c index 4a4f09f924bc..e3d398b8f54e 100644 --- a/sound/soc/codecs/da7219-aad.c +++ b/sound/soc/codecs/da7219-aad.c @@ -968,6 +968,8 @@ int da7219_aad_init(struct snd_soc_component *component) INIT_WORK(&da7219_aad->hptest_work, da7219_aad_hptest_work); INIT_WORK(&da7219_aad->jack_det_work, da7219_aad_jack_det_work); + mutex_init(&da7219_aad->jack_det_mutex); + ret = request_threaded_irq(da7219_aad->irq, da7219_aad_pre_irq_thread, da7219_aad_irq_thread, IRQF_TRIGGER_LOW | IRQF_ONESHOT,