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client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CY4PEPF0000EDD6.mail.protection.outlook.com (10.167.241.202) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8230.7 via Frontend Transport; Sat, 30 Nov 2024 14:05:23 +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; Sat, 30 Nov 2024 08:05:20 -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 v8 02/22] platform/x86/dell: dell-pc: Create platform device Date: Sat, 30 Nov 2024 08:04:34 -0600 Message-ID: <20241130140454.455-3-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241130140454.455-1-mario.limonciello@amd.com> References: <20241130140454.455-1-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-Type: text/plain; charset="utf-8" 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: CY4PEPF0000EDD6:EE_|CH3PR12MB8711:EE_ X-MS-Office365-Filtering-Correlation-Id: d8dc0dd3-393c-440c-c280-08dd11480867 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|36860700013|7416014|82310400026; X-Microsoft-Antispam-Message-Info: =?utf-8?B?Nk5ocjdVNW40aitrbnRKREF6M3NWTFNSa1UrVXRYV3lrQmRlOFlhNVBVRmFh?= =?utf-8?B?eGp6dExacGRXc05RUU1XYmE4emtBUmNaTEMzc0JySzh4RnJMcGJWWlY5YkJM?= =?utf-8?B?dFlUdDVwVEFTcXozMnBocGtadkRxOXY1ZEFDRDIrSHM5b2svS1VmUjNscnVG?= =?utf-8?B?YWtHN0JNSjZVanBBSm5oVGdMUkErb25PL1pvWnNjaW9IMzFPV2ZBMUVYWDlF?= =?utf-8?B?UGdUelZmSDcrMUZzZDFHWVJCKzJwMjlKSzBQdTdUWVl6LytZbXloeUlOYk9k?= =?utf-8?B?T21KTE5Xd293TS9tUzVQa1V6bFNoRVExMFN2aktDTXBjZWthU3JxY0FLeHA5?= =?utf-8?B?N1dZSGtlTTZUK0drcWxzYXJtK1pRNW00TEZTRzByaEJXdld3OGpsTStNY2tj?= =?utf-8?B?ckl2T0txK21FTU10T2F0ZFpHeDEwQU9wckJTakxXb2Zja0t1Q0k0THdkeUEv?= =?utf-8?B?YlpHVHV1WWhJYUttZVVReFdIc3lINE90RGYxa0sxMm1RU0x1Q0kzQXdRYXZm?= =?utf-8?B?MFA5ZStQKzhtYVNkcmE2MjZQOVY4TDFhWDFNSkpYNUxhUG52MWxVUkNlMVdB?= =?utf-8?B?bmdSZ3pNek90dTRoOEJIb0lrSlJYVCtBR2ZmNDdEaU1qaXRUYlJyajM3MXRZ?= =?utf-8?B?VU5NRGxOakJJWFQzbDVsK1AvREptVlVTaWZJMGlVbVhKRkpQMWpMRHNlRnJC?= =?utf-8?B?ekxpVkpnZVRpYldxN2ZpaXhQZVp2Tm1RWXNQWEptSFhPSmtVcGVQdlNqalJY?= =?utf-8?B?NkZKc29DcVlvR1RsTkxuZnNuNEVmL1hrSzNPQzVnM2xTeWRuRWpCVHVFYXlo?= =?utf-8?B?c2pYTUI2azI4dkczdkxqVndTSHBkbFEvZ3pHaVFRT2d5dWNySTlmOEkxbUpB?= =?utf-8?B?aUpkZHRKZElSdnc3cnlyZmJKT2xlWmNkY2NDbU9oeTRmb0NEMHJhR0crNS9I?= =?utf-8?B?eGtoaTRaYmg4RnUrZHFRd1pmMy8xYjBaQUFtdUw3MFI2N0QvaUJoT3NodGtz?= =?utf-8?B?Y1o1Ukc1aWRsUjBwTUQxMzRkb1FlYzA4WmRxbkJPeWdHYVJFdDhnZS9UM0U2?= =?utf-8?B?ck9QSlpXbmE0aUErTkJOcUorZ0RrRm96SldIWk9xYnlqMEg5bFZ4ajhOM2NR?= =?utf-8?B?WHRrSzZDdlNjMnova095NVAxVHl4UzQrTEZwSFg0MmNVRlJUTXRIM3U3cUpT?= =?utf-8?B?MFNTZFRLdkV4L0g2cjNRenZxQUkvNStHWnAyUXFHNzltTlNoTlJxWXN0b3Fl?= =?utf-8?B?cUYwOU5KYmJWbTdNSEVBcEpObklLdVZCRUI2WFpDVE9ZRmFvU2p0UVN0YzFs?= =?utf-8?B?c3BpamhRenEycTZPUGxGQnozQ1J2N2hDdlU2RDV3dGNwa1BVOVFrdFZOOUlo?= =?utf-8?B?WmplcE1HbVBFNFhlZ21LWmovbWJzSkRNYWI3UlZDQkUwVWx2blFEQTBVSW1z?= =?utf-8?B?bkhxS1luS1dvM3NISTVid1JYSjJNdFcvZ0MvNTJnd2pjY2Frc1MveFBFcnJw?= =?utf-8?B?YUdZamx4RW1QMWlHbGY4RDFhYllCaWxxZzE5cGpQMnF1RnlaQ3U1cHBoT3Y2?= =?utf-8?B?UktXRmt2Tk1lVVVCRUZXWEIxZjJMb1JzUm9hLzZaSEpBbm9DYUJjUVZWNXEz?= =?utf-8?B?MWZ2UnlBUEdocG0xQ2xjYjNSQnMrMm1zTGxiZmZIUE1wVUlBRFE1TXNpVGN1?= =?utf-8?B?MXhqUUtFQ0JRRFprODMrK3RxN3pZQktHVzZtUnJ2L09lbWJWMU1iYk42a3po?= =?utf-8?B?enh2RU1vQUk5QjVpYXAxSmNRS0g2c01nQ0pRWnpnbkFJZnJydlJtWDNoZnRG?= =?utf-8?B?Q0dvZWtvQzFZZ2tSRWMyNWhtc3Y4VlZEdGNSTVZmemxCUWF0N1RQdE1qbzZ4?= =?utf-8?B?RExralBIbmk5cXJURGdHaFBCZjlKYk1tQlJobEVDY2tzT2ZGcGhWUTNiMzRB?= =?utf-8?Q?ZpOIFBH+vL9Zsi+TQ+EVE7UqaKN2cpP5?= 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)(1800799024)(376014)(36860700013)(7416014)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Nov 2024 14:05:23.1094 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d8dc0dd3-393c-440c-c280-08dd11480867 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: CY4PEPF0000EDD6.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB8711 In order to have a device for the platform profile core to reference create a platform device for dell-pc. While doing this change the memory allocation for the thermal handler to be device managed to follow the lifecycle of that device. Reviewed-by: Armin Wolf Tested-by: Mark Pearson Reviewed-by: Ilpo J=C3=A4rvinen Reviewed-by: Mark Pearson Signed-off-by: Mario Limonciello --- v8: * Use IS_ERR()/ERR_PTR() --- drivers/platform/x86/dell/dell-pc.c | 34 ++++++++++++++++++++--------- 1 file changed, 24 insertions(+), 10 deletions(-) diff --git a/drivers/platform/x86/dell/dell-pc.c b/drivers/platform/x86/del= l/dell-pc.c index 3cf79e55e3129..8bacbde0f0506 100644 --- a/drivers/platform/x86/dell/dell-pc.c +++ b/drivers/platform/x86/dell/dell-pc.c @@ -18,10 +18,13 @@ #include #include #include +#include #include =20 #include "dell-smbios.h" =20 +static struct platform_device *platform_device; + static const struct dmi_system_id dell_device_table[] __initconst =3D { { .ident =3D "Dell Inc.", @@ -244,9 +247,15 @@ static int thermal_init(void) if (!supported_modes) return 0; =20 - thermal_handler =3D kzalloc(sizeof(*thermal_handler), GFP_KERNEL); - if (!thermal_handler) - return -ENOMEM; + platform_device =3D platform_device_register_simple("dell-pc", PLATFORM_D= EVID_NONE, NULL, 0); + if (IS_ERR(platform_device)) + return ERR_PTR(platform_device); + + thermal_handler =3D devm_kzalloc(&platform_device->dev, sizeof(*thermal_h= andler), GFP_KERNEL); + if (!thermal_handler) { + ret =3D -ENOMEM; + goto cleanup_platform_device; + } thermal_handler->name =3D "dell-pc"; thermal_handler->profile_get =3D thermal_platform_profile_get; thermal_handler->profile_set =3D thermal_platform_profile_set; @@ -262,20 +271,25 @@ static int thermal_init(void) =20 /* Clean up if failed */ ret =3D platform_profile_register(thermal_handler); - if (ret) { - kfree(thermal_handler); - thermal_handler =3D NULL; - } + if (ret) + goto cleanup_thermal_handler; + + return 0; + +cleanup_thermal_handler: + thermal_handler =3D NULL; + +cleanup_platform_device: + platform_device_unregister(platform_device); =20 return ret; } =20 static void thermal_cleanup(void) { - if (thermal_handler) { + if (thermal_handler) platform_profile_remove(); - kfree(thermal_handler); - } + platform_device_unregister(platform_device); } =20 static int __init dell_init(void) --=20 2.43.0