{"id":2230139,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2230139/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-tegra/patch/20260429102743.103197-1-phucduc.bui@gmail.com/","project":{"id":21,"url":"http://patchwork.ozlabs.org/api/1.1/projects/21/?format=json","name":"Linux Tegra Development","link_name":"linux-tegra","list_id":"linux-tegra.vger.kernel.org","list_email":"linux-tegra@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260429102743.103197-1-phucduc.bui@gmail.com>","date":"2026-04-29T10:27:43","name":"ASoC: tegra: Use guard() for mutex locks","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"67f4feafb0f4aef8ed83a9b0257be73f37ed39c4","submitter":{"id":92840,"url":"http://patchwork.ozlabs.org/api/1.1/people/92840/?format=json","name":"Bui Duc Phuc","email":"phucduc.bui@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-tegra/patch/20260429102743.103197-1-phucduc.bui@gmail.com/mbox/","series":[{"id":502035,"url":"http://patchwork.ozlabs.org/api/1.1/series/502035/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-tegra/list/?series=502035","date":"2026-04-29T10:27:43","name":"ASoC: tegra: Use guard() for mutex locks","version":1,"mbox":"http://patchwork.ozlabs.org/series/502035/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2230139/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2230139/checks/","tags":{},"headers":{"Return-Path":"\n <linux-tegra+bounces-14057-incoming=patchwork.ozlabs.org@vger.kernel.org>","X-Original-To":["incoming@patchwork.ozlabs.org","linux-tegra@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=MR1fHvxS;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; helo=sea.lore.kernel.org;\n envelope-from=linux-tegra+bounces-14057-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com\n header.b=\"MR1fHvxS\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=209.85.216.47","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=gmail.com"],"Received":["from sea.lore.kernel.org (sea.lore.kernel.org [172.234.253.10])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g5D763Mjpz1yHZ\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 29 Apr 2026 20:29:06 +1000 (AEST)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id EA267301D6B6\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 29 Apr 2026 10:28:03 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id BAD733D75D6;\n\tWed, 29 Apr 2026 10:28:03 +0000 (UTC)","from mail-pj1-f47.google.com (mail-pj1-f47.google.com\n [209.85.216.47])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id D8E653D6494\n\tfor <linux-tegra@vger.kernel.org>; Wed, 29 Apr 2026 10:28:00 +0000 (UTC)","by mail-pj1-f47.google.com with SMTP id\n 98e67ed59e1d1-35da9692ec3so10404224a91.1\n        for <linux-tegra@vger.kernel.org>;\n Wed, 29 Apr 2026 03:28:00 -0700 (PDT)","from phuc-desktop.. ([183.91.15.56])\n        by smtp.gmail.com with ESMTPSA id\n 98e67ed59e1d1-364a27c356asm1107003a91.0.2026.04.29.03.27.56\n        (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n        Wed, 29 Apr 2026 03:27:59 -0700 (PDT)"],"ARC-Seal":"i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1777458483; cv=none;\n b=aP0pp+FxhgZkpSosSaBAnUef4GdoQL8cPAkWuT6keqNWG20Q0F2ZMkMRPzP+/8lB2HKqvk+LrAsfb98V9aoLO9uVBTvnUoS993T9NSE6JwhTeo0zvdbwbbc6DD3YUx66WG3kIzTzcj2TvRpIMhQiBt0qviRwXR5a8lDjEMsw3D0=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1777458483; c=relaxed/simple;\n\tbh=aVFPK7SUpcpakPalTN3Yuz97INHgAbhDB4lXhxI43k0=;\n\th=From:To:Cc:Subject:Date:Message-ID:MIME-Version;\n b=TBRF0lw2e0jhfwcuYxrrpmH237laQocBn8CAUyHEOUyJ6ZjHo47YkHRXcCRbGxFQslHpOVvoj6YFfMTLAlhdKhcASnCEhACtkYjYKme55OITt4BgqMpZMR2pDqs/ME0ACQCV1+ktG48SVcZOU6pbDPafeWuvYaL6VD+4pJM8zec=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com;\n spf=pass smtp.mailfrom=gmail.com;\n dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com\n header.b=MR1fHvxS; arc=none smtp.client-ip=209.85.216.47","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n        d=gmail.com; s=20251104; t=1777458480; x=1778063280;\n darn=vger.kernel.org;\n        h=content-transfer-encoding:mime-version:message-id:date:subject:cc\n         :to:from:from:to:cc:subject:date:message-id:reply-to;\n        bh=i+9QBBMU8htpcS6BmZ6YxHpCBuohfRwpwtrnTFil/Yo=;\n        b=MR1fHvxSxBm93sjFnEN0TH0225cWbCntxDq+TVuvvJCRCUtD1B/JKe5zbtEJ6lfXWA\n         MTej4gZl54gBesKO88Kr2Xsj8InHVVTlGsXCYv69lMW6kSm/j7Hz4/RjYUfdSn0hxQ1L\n         wBs1nJ3TGYj67j05vo76VXz0pZGnyOb1IsxjhxL8/1lkGj7XWDEwSjkyhlwhyQia3BYx\n         8q4m4AYnEGr00BfT66NFw8fEs60GCPvR9Vz9yQz5bquKNF63jn+C7Lqvw9YiBBxiwzA9\n         G09Db2h/1cWDivP8D70ov8VVaWKhZBFn4fS3bcCJUmgx41qhdvt3iHbDjQNiH9LLlcwq\n         waMA==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n        d=1e100.net; s=20251104; t=1777458480; x=1778063280;\n        h=content-transfer-encoding:mime-version:message-id:date:subject:cc\n         :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date\n         :message-id:reply-to;\n        bh=i+9QBBMU8htpcS6BmZ6YxHpCBuohfRwpwtrnTFil/Yo=;\n        b=VVK3FIysG1/qbmA7v7zeVAMTpuHCjC40Q0td7eGyMGLeMRLsmL13BkIk18DHeRUmwQ\n         6uOYKEUvtY8n6Jk6y+FgK+bMqNMdKNvCPxRShpkQJvg1UUKpNbLmO3v7va1/tR5bj77H\n         qCFFF3mRB3MMpqZc2aEV6MwDI+cx+dI9xn8mfcPYuic1PHI9FRql63sxfE2FeFdnLmtr\n         T8WUhUy+VB3Pz5/duAFWHbw04EmhnL6mh0+wRE9kAy7z49/QyVTxxJTiSiAG2isCwK0a\n         Nqh1bxbXGl8X61UESQMIqYqa7uSVDDZbWjEDHTXo04v8AXyFaI+HvF0AtOLwc2Wi4dPc\n         +sqw==","X-Forwarded-Encrypted":"i=1;\n AFNElJ9Qz9uLwa8c/8NCcsuqf0vkrMV5mk7cofu0ft9Npuy+KQyUFF8VV8LIHbkQYITZClah55rP4UYOsh6dyA==@vger.kernel.org","X-Gm-Message-State":"AOJu0YxWsS2GB0BBYGcCgQH/nJSm8UEIOYWGu6TAN771ATlMQBYDqg9D\n\tD3vY3YrmgpRLfJozs9v+9jNBShdyhlYcZQP7yQHjYIBZ5gzNvL8DfRzC","X-Gm-Gg":"AeBDieuSPgPe4LmAoOyZXrwUJ2ELvVPd45tt0jFoLYop5xYyjiJQPt0MpOnfHDMB7ve\n\tjuIwVd+aDUSiZXhYYw7VB0GAggrSaxLtQQGhDvCP0lse7bHFpcSR+48nS3W6snx+DUcdtQM5rZR\n\tiuSAdaPFA666S5NJILJrx02pbYr0nt9njIuBa3NdXW9TKjKu+M4bJBxgL6tmiVcwJwB+iSG7qZf\n\tP5X2V3rgmfln4JPg4Bd/dBwR1haXiEcKrIfs6Cc2W0b1b2e6iwp2jwoKnUoh/9wIztvUp7Ecz6X\n\tqUam5V5NECceRJS6sp9GFu1Wv/Dcw1UJ221D2QPPvVgy0BQsQv0Gv4B0w1MRnb3J1kzRGTfK3xa\n\txuDG6G93vs6wlc9fi6kOVFblFl0v6chFnWtccPRovcdOoJej1iaIsCdUyS1DrruE7VZNjEZ3ipq\n\txf5uxcJaEDb/tWaNIU3/p6aD5cdUOQxWZu7UH0WhYAQkaX+ATB1iqmQBSG2ipsT7alWkJX","X-Received":"by 2002:a17:90a:e18c:b0:35e:5929:d78d with SMTP id\n 98e67ed59e1d1-364a0ade51bmr3299256a91.3.1777458479986;\n        Wed, 29 Apr 2026 03:27:59 -0700 (PDT)","From":"phucduc.bui@gmail.com","To":"Mark Brown <broonie@kernel.org>,\n\tLiam Girdwood <lgirdwood@gmail.com>","Cc":"Thierry Reding <thierry.reding@kernel.org>,\n\tJonathan Hunter <jonathanh@nvidia.com>,\n\tSheetal <sheetal@nvidia.com>,\n\tJaroslav Kysela <perex@perex.cz>,\n\tTakashi Iwai <tiwai@suse.com>,\n\tlinux-sound@vger.kernel.org,\n\tlinux-tegra@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tbui duc phuc <phucduc.bui@gmail.com>","Subject":"[PATCH] ASoC: tegra: Use guard() for mutex locks","Date":"Wed, 29 Apr 2026 17:27:43 +0700","Message-ID":"<20260429102743.103197-1-phucduc.bui@gmail.com>","X-Mailer":"git-send-email 2.43.0","Precedence":"bulk","X-Mailing-List":"linux-tegra@vger.kernel.org","List-Id":"<linux-tegra.vger.kernel.org>","List-Subscribe":"<mailto:linux-tegra+subscribe@vger.kernel.org>","List-Unsubscribe":"<mailto:linux-tegra+unsubscribe@vger.kernel.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit"},"content":"From: bui duc phuc <phucduc.bui@gmail.com>\n\nClean up the code using guard() for mutex locks.\nMerely code refactoring, and no behavior change.\n\nSigned-off-by: bui duc phuc <phucduc.bui@gmail.com>\n---\n sound/soc/tegra/tegra_isomgr_bw.c | 21 ++++++++++-----------\n 1 file changed, 10 insertions(+), 11 deletions(-)","diff":"diff --git a/sound/soc/tegra/tegra_isomgr_bw.c b/sound/soc/tegra/tegra_isomgr_bw.c\nindex fa979960bc09..db33acbf6c67 100644\n--- a/sound/soc/tegra/tegra_isomgr_bw.c\n+++ b/sound/soc/tegra/tegra_isomgr_bw.c\n@@ -55,19 +55,18 @@ int tegra_isomgr_adma_setbw(struct snd_pcm_substream *substream,\n \t\t\t\tsample_bytes;\n \t}\n \n-\tmutex_lock(&adma_isomgr->mutex);\n-\n-\tif (is_running) {\n-\t\tif (bandwidth + adma_isomgr->current_bandwidth > adma_isomgr->max_bw)\n-\t\t\tbandwidth = adma_isomgr->max_bw - adma_isomgr->current_bandwidth;\n-\n-\t\tadma_isomgr->current_bandwidth += bandwidth;\n-\t} else {\n-\t\tadma_isomgr->current_bandwidth -= adma_isomgr->bw_per_dev[type][pcm->device];\n+\tscoped_guard(mutex, &adma_isomgr->mutex) {\n+\t\tif (is_running) {\n+\t\t\tif (bandwidth + adma_isomgr->current_bandwidth > adma_isomgr->max_bw)\n+\t\t\t\tbandwidth = adma_isomgr->max_bw - adma_isomgr->current_bandwidth;\n+\n+\t\t\tadma_isomgr->current_bandwidth += bandwidth;\n+\t\t} else {\n+\t\t\tadma_isomgr->current_bandwidth -=\n+\t\t\t\tadma_isomgr->bw_per_dev[type][pcm->device];\n+\t\t}\n \t}\n \n-\tmutex_unlock(&adma_isomgr->mutex);\n-\n \tadma_isomgr->bw_per_dev[type][pcm->device] = bandwidth;\n \n \tdev_dbg(dev, \"Setting up bandwidth to %d KBps\\n\", adma_isomgr->current_bandwidth);\n","prefixes":[]}