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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 BL02EPF0000EE3D.mail.protection.outlook.com (10.167.241.134) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5813.11 via Frontend Transport; Thu, 17 Nov 2022 02:51:57 +0000 Received: from pyuan-Cloudripper.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 15.1.2375.34; Wed, 16 Nov 2022 20:51:41 -0600 From: Perry Yuan To: , , , CC: , , , , , , , , , , , Perry Yuan Subject: [PATCH 2/5] cpufreq: amd-pstate: change amd-pstate driver to be built-in type Date: Thu, 17 Nov 2022 10:49:52 +0800 Message-ID: <20221117024955.3319484-3-Perry.Yuan@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221117024955.3319484-1-Perry.Yuan@amd.com> References: <20221117024955.3319484-1-Perry.Yuan@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] 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: BL02EPF0000EE3D:EE_|PH7PR12MB7116:EE_ X-MS-Office365-Filtering-Correlation-Id: c5d12f36-51f2-4159-348e-08dac846b16c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Nov 2022 02:51:57.5801 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c5d12f36-51f2-4159-348e-08dac846b16c 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: BL02EPF0000EE3D.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB7116 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Currently when the amd-pstate and acpi_cpufreq are both built into kernel as module driver, amd-pstate will not be loaded by default in this case. Change amd-pstate driver as built-in type, it will resolve the loading sequence problem to allow user to make amd-pstate driver as the default cpufreq scaling driver. Fixes: ec437d71db77 ("cpufreq: amd-pstate: Introduce a new AMD P-State driver to support future processors") Signed-off-by: Perry Yuan --- drivers/cpufreq/Kconfig.x86 | 2 +- drivers/cpufreq/amd-pstate.c | 11 +---------- 2 files changed, 2 insertions(+), 11 deletions(-) diff --git a/drivers/cpufreq/Kconfig.x86 b/drivers/cpufreq/Kconfig.x86 index 310779b07daf..00476e94db90 100644 --- a/drivers/cpufreq/Kconfig.x86 +++ b/drivers/cpufreq/Kconfig.x86 @@ -35,7 +35,7 @@ config X86_PCC_CPUFREQ If in doubt, say N. config X86_AMD_PSTATE - tristate "AMD Processor P-State driver" + bool "AMD Processor P-State driver" depends on X86 && ACPI select ACPI_PROCESSOR select ACPI_CPPC_LIB if X86_64 diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index d844c6f97caf..701f49d6d240 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -663,16 +663,7 @@ static int __init amd_pstate_init(void) return ret; } - -static void __exit amd_pstate_exit(void) -{ - cpufreq_unregister_driver(&amd_pstate_driver); - - amd_pstate_enable(false); -} - -module_init(amd_pstate_init); -module_exit(amd_pstate_exit); +device_initcall(amd_pstate_init); MODULE_AUTHOR("Huang Rui "); MODULE_DESCRIPTION("AMD Processor P-state Frequency Driver"); -- 2.25.1