From patchwork Tue Nov 5 15:33:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mario Limonciello X-Patchwork-Id: 13863093 Received: from NAM12-BN8-obe.outbound.protection.outlook.com (mail-bn8nam12on2087.outbound.protection.outlook.com [40.107.237.87]) (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 2EAF41D90A4; Tue, 5 Nov 2024 15:33:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.237.87 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730820831; cv=fail; b=V91ZQuSbBgqK+4I9nNj36b/PMyELS2NjP07ogmHM5iGm9DjTIgiilrdwUrNPkbi4+vY+UHKeG2gT/vgk2QpANblesZsruBAIaoJkopG5sMELXD81xS8ShnfH2yEM0aeYNhRXhTYHqMBeq8payTHh8kbP5S+LaKMDHfBWnJE8J5E= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730820831; c=relaxed/simple; bh=bea7+oj/yKdwscoVFM7DQQ3Vx8PXYMWZ5pqVEEdBUNY=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=YjG0lymvBtU8TJSQMxBMYTwiXNOZcBjAWkm+1BEetMwzkbELROmG7vlN70dzgX18ChPHWJ5slWCKoHnQXz95NQcCOe79xayjlRoXszryOTsbimJkYLtsz+xIFfr/TEGEsOge1jYAjOhtYYcEqTdS7xZ9wLBcPj0Xl+AKNB7z22I= 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=O5cMdkN6; arc=fail smtp.client-ip=40.107.237.87 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="O5cMdkN6" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=flMH1Acp1dYzHKW8Vdc0xZ6IbZRc9vhv8l0Qk9oPpcpYerESmhszSteAxGnsfPZ2iq7gsFLlZzmOaoVSL5T88hAM6018ISMD3xCbKffMk3Ttj5TKJn9GBlSo0FkTlKYHfOFi2wwr4zhhWLhI6A0ug3aPONUeAPKm69m6Dc33XpYOck4gWdHcSeoglWF7RG0lOj2y29WUQrGOi36G12wZHF+HkhzANe1tUDvVebfIc/Q0rjnOa8GGEPRSYPut4pHD0J7vzQFBuf/UBeIxWmwRT6lydVX+2tm+wBSFV4AO83RDFQNKxWoJdPdhnXgCIRfSlS9rxqZ+vOQF4gUBFDp9rg== 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=QC/7QRb8PV1yuawMDK+R6YepIHiT9JZOu655rTlMd5w=; b=onqXbYxhDJjIY9jrWcMru4/4z93pjpmgOjbUv+J5pYR5JdXtAsS8/G1m7DuboMuKdNn/8me9X3Hik1qAgHm9YfiMiNNnzaZxBs83+xulxZI16fOV9hCecLKliYkQvOz30rM9w8TtDz4VAOXqa5ZM7QH3boPVMFaTJTMMfh6duABaV98hNaTSEVHpffCoTrsyuQf1hOvN0bPJvFZPd+f22+ijg3yWTyjiljMawPVG6LvhTyDJ9Oo4wz3KFhOK2GmJiOuy5nUR5jYNy7asiV3t0h/nK46oOtfKqza10tQFqaZa+/T+5FgYqVaWLig5p7GV4OmVxq7aYse9L2/SQfJNLg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) 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=QC/7QRb8PV1yuawMDK+R6YepIHiT9JZOu655rTlMd5w=; b=O5cMdkN6XTNsMfUybN68MfsQlJq4rM7G/7zURyDF5VgWtGVy4v02O5deXqqOthowgw6TPJWTlU0wFkEJXbrjolRn5V4SZ4xiarzhrrMAF0o0x9DsnZuGHfcPNPdvyHWkanVF2SES13z6rVaRow6Vdeu/hhQ1gZIr8C3KHLe4d0I= Received: from MN0PR04CA0014.namprd04.prod.outlook.com (2603:10b6:208:52d::20) by DM4PR12MB5724.namprd12.prod.outlook.com (2603:10b6:8:5f::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8114.30; Tue, 5 Nov 2024 15:33:44 +0000 Received: from BN2PEPF000055DF.namprd21.prod.outlook.com (2603:10b6:208:52d:cafe::cd) by MN0PR04CA0014.outlook.office365.com (2603:10b6:208:52d::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8114.31 via Frontend Transport; Tue, 5 Nov 2024 15:33:44 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) 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 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by BN2PEPF000055DF.mail.protection.outlook.com (10.167.245.9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8158.0 via Frontend Transport; Tue, 5 Nov 2024 15:33:44 +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, 5 Nov 2024 09:33:42 -0600 From: Mario Limonciello To: Hans de Goede , =?utf-8?q?Ilpo_J=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_Kleine-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 Subject: [PATCH v4 14/20] ACPI: platform_profile: Only show profiles common for all handlers Date: Tue, 5 Nov 2024 09:33:10 -0600 Message-ID: <20241105153316.378-15-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241105153316.378-1-mario.limonciello@amd.com> References: <20241105153316.378-1-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN2PEPF000055DF:EE_|DM4PR12MB5724:EE_ X-MS-Office365-Filtering-Correlation-Id: 2d9754ca-d5e5-452b-7ba7-08dcfdaf3ba7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|7416014|376014|82310400026|1800799024; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(7416014)(376014)(82310400026)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Nov 2024 15:33:44.1078 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2d9754ca-d5e5-452b-7ba7-08dcfdaf3ba7 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN2PEPF000055DF.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5724 If multiple platform profile handlers have been registered, don't allow switching to profiles unique to only one handler. Tested-by: Matthew Schwartz Signed-off-by: Mario Limonciello --- drivers/acpi/platform_profile.c | 55 +++++++++++++++++++++++---------- 1 file changed, 38 insertions(+), 17 deletions(-) diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c index c9917daf683cb..8de7c8352673e 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -235,27 +235,48 @@ static const struct class platform_profile_class = { .dev_groups = profile_groups, }; -static ssize_t platform_profile_choices_show(struct device *dev, - struct device_attribute *attr, - char *buf) +/** + * _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) { - int len = 0; - int i; + unsigned long *aggregate = data; + unsigned long choices = 0; + int err; - scoped_cond_guard(mutex_intr, return -ERESTARTSYS, &profile_lock) { - if (!cur_profile) - return -ENODEV; + err = _get_class_choices(dev, &choices); + if (err) + return err; - for_each_set_bit(i, cur_profile->choices, PLATFORM_PROFILE_LAST) { - if (len == 0) - len += sysfs_emit_at(buf, len, "%s", profile_names[i]); - else - len += sysfs_emit_at(buf, len, " %s", profile_names[i]); - } - } - len += sysfs_emit_at(buf, len, "\n"); + if (!*aggregate) + *aggregate = choices; + else + *aggregate &= choices; - return len; + 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) +{ + unsigned long aggregate = 0; + int err; + + err = class_for_each_device(&platform_profile_class, NULL, + &aggregate, _aggregate_choices); + + return _commmon_choices_show(aggregate, buf); } static ssize_t platform_profile_show(struct device *dev,