From nobody Sun Nov 24 01:43:46 2024 Received: from NAM12-BN8-obe.outbound.protection.outlook.com (mail-bn8nam12on2082.outbound.protection.outlook.com [40.107.237.82]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5E8F01D1F76; Tue, 19 Nov 2024 17:21:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.237.82 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732036890; cv=fail; b=pHykVmgG4bA6ZQQQZqowpEGxXg1hOdvAHAcC6uFnHmTMPltfrPpsZruirXBVmygdssOUb0xRNKWGOrgeiuXOvdcHpTqJm8a5dXdyCoUfVL5PIi3QANfRTDw9cOJfGZD3SB+SszRILMRTqJzmrodsO4ii4uxe7NYe+capr1kOwpw= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732036890; c=relaxed/simple; bh=2rt6Y87tQPRlcT8Df+nkb4/NaZ8Whknr1aC5eHRa6yI=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=MH130yhA7ZgfCCrL9tMvwcf4Eum/kSVT+h//ak891HU/ZpTt/1bZ4jnVD0njAEYksxNY5TerNQRbc5JZZpuCCzuEvY8cHpOvtdZL3nkQDDiJB8BtbP1Pb00L6UEn4ULjeexI5sAXWXOdew2Hvis27SJs4PGxCsmFrfD+wAud09I= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=Uio2uQA7; arc=fail smtp.client-ip=40.107.237.82 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="Uio2uQA7" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=U8KnARZzceNsJKH0B0XiFxo382Tj/n4vdQhf1vqXSr/7tns+i6NJK8CnP90V0S8CZtYyPGvjJxeVnpzWR8JxlwFBkFbgJXsRkNEVHvahE8nd1Ujt+z0j/gHwH5deIKzcKa32qYsrHpzbFDViwbVuSX4+Z+xle4qyaXL7PdKz65wY+gMOUwX42qlqR+l5aafP9wdGSoxw32ne16zXsnTKPfUZXdn75uNL16/3zVFxW12aZLmXG7hSdN9B2Vkl2n3Sac/25/lHljFRHc/6gTCJ+DVirWOMUaF8BzzmtLfgLljQfhVwLjdh+OrXbvEJ9Rbcyu+gvU9kg4dMNNMWAHJ++Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=xJyqyRORx3PN3Q7CjJn9UtLhUkcMdMZ1mFaWGk31Er0=; b=P8oo+Ntmk6CfFMKHicLqylx8XZ2t8C5c0aWyeoHEG/Mqi5gpzsITCqt+6OsZw9GXltEg4RN7Lzb04MIA8Q+vluFSj+oyag8eueNgQTa5bFhuFRo58ch5XQTvOIlyS03aVUXLxoMPjNhqA2Lb14ALHXtgrMOR62S7CqU0rKXtHToiQVH3GedF1Zvst8mDtBB3UoYkfGFd//VlTSEPa177MKV7SiUizYTxrfxPzHQFTWzxayMpJ0SRUxFqlNaBQvh36svRCUNMa9yJ4si0RzTy92Xdj3jZ6XuU8cUBMc+QER0NpOn8tzCGpC8+IJsjuzNyU/rv0cSnpiA88MRXlS4OFA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.12) smtp.rcpttodomain=redhat.com smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=xJyqyRORx3PN3Q7CjJn9UtLhUkcMdMZ1mFaWGk31Er0=; b=Uio2uQA7S2C9gacRfv+zby0M6texHqmWjJsgM8iOj8Ww3gCnb1TbCGjAArArZ4CiiPE4raYI9S4D9tUr65Yrbc8z/fvb24gc6gHqbLWyikc7fzqxQmJppKcr5i6h4Qc+YX4ZUs0mfwTmo7pJZidiPVtUhCZx/l5AFhKHSPTUalc= Received: from SJ2PR07CA0010.namprd07.prod.outlook.com (2603:10b6:a03:505::27) by IA1PR12MB6233.namprd12.prod.outlook.com (2603:10b6:208:3e7::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8158.23; Tue, 19 Nov 2024 17:21:24 +0000 Received: from CY4PEPF0000EDD4.namprd03.prod.outlook.com (2603:10b6:a03:505:cafe::20) by SJ2PR07CA0010.outlook.office365.com (2603:10b6:a03:505::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8158.23 via Frontend Transport; Tue, 19 Nov 2024 17:21:24 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.12) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.12 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.12; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.12) by CY4PEPF0000EDD4.mail.protection.outlook.com (10.167.241.200) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8158.14 via Frontend Transport; Tue, 19 Nov 2024 17:21:23 +0000 Received: from AUS-P9-MLIMONCI.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Tue, 19 Nov 2024 11:21:21 -0600 From: Mario Limonciello To: Hans de Goede , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= CC: "Rafael J . Wysocki" , Len Brown , Maximilian Luz , Lee Chun-Yi , "Shyam Sundar S K" , Corentin Chary , "Luke D . Jones" , Ike Panhc , Henrique de Moraes Holschuh , "Alexis Belmonte" , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Ai Chao , Gergo Koteles , open list , "open list:ACPI" , "open list:MICROSOFT SURFACE PLATFORM PROFILE DRIVER" , "open list:THINKPAD ACPI EXTRAS DRIVER" , Mark Pearson , Matthew Schwartz , Mario Limonciello , Armin Wolf Subject: [PATCH v7 15/22] ACPI: platform_profile: Only show profiles common for all handlers Date: Tue, 19 Nov 2024 11:17:32 -0600 Message-ID: <20241119171739.77028-16-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241119171739.77028-1-mario.limonciello@amd.com> References: <20241119171739.77028-1-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EDD4:EE_|IA1PR12MB6233:EE_ X-MS-Office365-Filtering-Correlation-Id: d45d398b-cfb5-4904-76cc-08dd08be97e6 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|82310400026|1800799024|36860700013; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?0zpy2WirGQ5U6D9OMg3/cYB3A01A9pezztk0G82lzh2Nu6PncKt6pdritQOr?= =?us-ascii?Q?hngnwBNkZlHxiamqBSd5icBRUL6EpW8VP8fzNRcpoOcegKfq+Lpz7jotIgno?= =?us-ascii?Q?5M/qD8cH/nZGquYVn4x1RPqwd0RaC23DT8r8l8LEz2Wb6XmDVAZLiBTMJtzZ?= =?us-ascii?Q?ilW8TWVi2TWVg52/ydZ9J/C6Qf0R1PtYIcrYqaEwi/8x0oGEi84YrxeUoZc1?= =?us-ascii?Q?CSiHdFoZVL1etac0mB/oMguDsAXtVa1V1uWDeUTBVzJHsmvGox8PaEM9AWZp?= =?us-ascii?Q?4KlCsa+TS/wc/BwlYt4wwfeF0rjxSV48XcHdVQ9+1ptt0MEbyNnwiS5Amc85?= =?us-ascii?Q?L6Abbm0IOvitBz6+xMxGabS4+7qBd9wOm9cWks1K306tj+E2/CZds0Zua06f?= =?us-ascii?Q?khklxFKEjDT0gYOTVSiB57PK4YF4mmlXScK78XE7w3/coz9TFQFTMaIfLSzL?= =?us-ascii?Q?Vg4D29SIZhDsxtw2K/qDWVAwKVPIhNJY42IUL2xMxXjL83pRQOQs8YR3vTic?= =?us-ascii?Q?Z4j0Nl7PNhfGTYdLS6JfoXBIyAVINKRYOxzB5oVsxZdn7+rn0m401HFY0Pja?= =?us-ascii?Q?CFCgSO9xOc5rFqLG2FXMgfC4ItUBwU1gwVVb8ItUt2tzLFukpisCWSNDuB+r?= =?us-ascii?Q?KCdC6/6h2F2uv80wHXOBXCQv9lL9kTb8fS7nbM2NSr4MSzZrnL+GS8iQteh8?= =?us-ascii?Q?2c8uJRs0TKJIDQ++u2MPQMENaOH5yONJyuN909+MboVWCMl89FWdGUhE2DGY?= =?us-ascii?Q?HVwaX4E2nneFjBHWIGexleTQiFIfFCbe2NMwB9mpbd5K9YtYjupX/uVNSRLg?= =?us-ascii?Q?yEeAeJV1dg0aZYuc+z7dFXeWhtFsUzMvXX1+E3LuUben0P7qoHLrMYzZECva?= =?us-ascii?Q?HxAa8I9QzZX9YgHlttOg3ovsV4sIOk5WWcPr175ZLbnC9BP0Qm0tJeRteCXd?= =?us-ascii?Q?DrEBMgZvXWb/NAKhUO0gIa+X3XyRaF7zEf3CR8by/6pTgehvmQBC7EN71b2Y?= =?us-ascii?Q?qaJv1fWM9+qdKe6KTnRQEXw26HhUqXP75momhEw59762CIWkCymtR0LYKQNm?= =?us-ascii?Q?6FG/gAB2P4dfqNib9hZrDaLioeWvKf0oxU0gMjy2S3jiRYvukHiL0E3reCEv?= =?us-ascii?Q?CBEk603z8hMbf1hzS5x9ejpQqO3ygXLnYqvn9tPbAs8oyNS8MYZgm3f5Pqir?= =?us-ascii?Q?MG/WtrTv0fGbEKRxeRMeNH6SoqXQ0fQ0YRzVPOajiB//hgV8UMm0m1QbJiRj?= =?us-ascii?Q?tvW+9L6dm0KcTVvdb1zn+x2NQD6yTlgRzLnqot6pr8J6wW3+8tvzw1NV5r5b?= =?us-ascii?Q?t/I4zqY4/Ex6BX5smae8OpAUMYrVsIrjeHHDUKukNCJxToJB9njN0woCRRdg?= =?us-ascii?Q?CtEeXrQczIiA7QTmWs4FiSU4JVdN00lTcC81TRcsTtDTY1RlLQ=3D=3D?= X-Forefront-Antispam-Report: CIP:165.204.84.12;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:atlvpn-bp.amd.com;CAT:NONE;SFS:(13230040)(7416014)(376014)(82310400026)(1800799024)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Nov 2024 17:21:23.9562 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d45d398b-cfb5-4904-76cc-08dd08be97e6 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.12];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EDD4.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB6233 Content-Type: text/plain; charset="utf-8" If multiple platform profile handlers have been registered, don't allow switching to profiles unique to only one handler. Reviewed-by: Armin Wolf Tested-by: Mark Pearson Tested-by: Matthew Schwartz Signed-off-by: Mario Limonciello --- v7: * Add Armin's tag v5: * adjust mutex use --- drivers/acpi/platform_profile.c | 56 ++++++++++++++++++++++++--------- 1 file changed, 42 insertions(+), 14 deletions(-) diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profil= e.c index de0804305b02c..db2daab5b2a44 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -192,26 +192,54 @@ static const struct class platform_profile_class =3D { .dev_groups =3D profile_groups, }; =20 +/** + * _aggregate_choices - Aggregate the available profile choices + * @dev: The device + * @data: The available profile choices + * Return: 0 on success, -errno on failure + */ +static int _aggregate_choices(struct device *dev, void *data) +{ + struct platform_profile_handler *handler; + unsigned long *aggregate =3D data; + + lockdep_assert_held(&profile_lock); + handler =3D dev_get_drvdata(dev); + if (test_bit(PLATFORM_PROFILE_LAST, aggregate)) + bitmap_copy(aggregate, handler->choices, PLATFORM_PROFILE_LAST); + else + bitmap_and(aggregate, handler->choices, aggregate, PLATFORM_PROFILE_LAST= ); + + return 0; +} + +/** + * platform_profile_choices_show - Show the available profile choices for = legacy sysfs interface + * @dev: The device + * @attr: The attribute + * @buf: The buffer to write to + * Return: The number of bytes written + */ static ssize_t platform_profile_choices_show(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, + char *buf) { - int len =3D 0; - int i; + unsigned long aggregate[BITS_TO_LONGS(PLATFORM_PROFILE_LAST)]; + int err; =20 + set_bit(PLATFORM_PROFILE_LAST, aggregate); scoped_cond_guard(mutex_intr, return -ERESTARTSYS, &profile_lock) { - if (!cur_profile) - return -ENODEV; - for_each_set_bit(i, cur_profile->choices, PLATFORM_PROFILE_LAST) { - if (len =3D=3D 0) - len +=3D sysfs_emit_at(buf, len, "%s", profile_names[i]); - else - len +=3D sysfs_emit_at(buf, len, " %s", profile_names[i]); - } + err =3D class_for_each_device(&platform_profile_class, NULL, + aggregate, _aggregate_choices); + if (err) + return err; } - len +=3D sysfs_emit_at(buf, len, "\n"); =20 - return len; + /* no profile handler registered any more */ + if (bitmap_empty(aggregate, PLATFORM_PROFILE_LAST)) + return -EINVAL; + + return _commmon_choices_show(aggregate, buf); } =20 static ssize_t platform_profile_show(struct device *dev, --=20 2.43.0