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Wysocki" CC: "open list:X86 PLATFORM DRIVERS" , , , Mario Limonciello Subject: [PATCH v4 0/3] Let other drivers react to platform profile changes Date: Tue, 26 Oct 2021 14:08:32 -0500 Message-ID: <20211026190835.10697-1-mario.limonciello@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] 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-Office365-Filtering-Correlation-Id: 41d5c5d0-c4c5-4192-3785-08d998b40ab4 X-MS-TrafficTypeDiagnostic: BYAPR12MB3077: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:7691; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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:(4636009)(46966006)(36840700001)(81166007)(186003)(36860700001)(356005)(2906002)(1076003)(26005)(2616005)(4326008)(82310400003)(7696005)(70206006)(83380400001)(86362001)(54906003)(110136005)(316002)(8936002)(336012)(508600001)(426003)(5660300002)(8676002)(6666004)(36756003)(47076005)(16526019)(44832011)(70586007)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Oct 2021 19:08:49.0324 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 41d5c5d0-c4c5-4192-3785-08d998b40ab4 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: BN8NAM11FT061.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR12MB3077 Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org Currently only one driver can register as a handler for a platform profile. This limitation means that if multiple drivers want to react to platform profile changes that they will need to directly interact with individual drivers. Instead introduce a notification flow that drivers can register for event changes. The idea is that any driver that wants to can: 1. read the current profile 2. set up initial values 3. register for changes 4. react to changes Changes from v3->v4: * Simplify platform_profile_notify - No need to check cur_profile as platform_profile_get does it - No need to track ret as it's unused Changes from v2->v3: * Add patches to avoid collisions in hp-wmi and asus-wmi symbols Mario Limonciello (3): platform/x86: hp-wmi: rename platform_profile_* function symbols platform/x86: asus-wmi: rename platform_profile_* function symbols ACPI: platform_profile: Add support for notification chains drivers/acpi/platform_profile.c | 46 +++++++++++++++++++++++++++----- drivers/platform/x86/asus-wmi.c | 12 ++++----- drivers/platform/x86/hp-wmi.c | 12 ++++----- include/linux/platform_profile.h | 10 +++++++ 4 files changed, 61 insertions(+), 19 deletions(-)