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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 BN8NAM11FT065.mail.protection.outlook.com (10.13.177.63) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5417.15 via Frontend Transport; Tue, 12 Jul 2022 14:59:31 +0000 Received: from jatayu.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 15.1.2375.28; Tue, 12 Jul 2022 09:59:29 -0500 From: Shyam Sundar S K To: , CC: , , "Mario Limonciello" , Shyam Sundar S K Subject: [PATCH v1 01/15] ACPI: platform_profile: Add support for notification chains Date: Tue, 12 Jul 2022 20:28:33 +0530 Message-ID: <20220712145847.3438544-2-Shyam-sundar.S-k@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220712145847.3438544-1-Shyam-sundar.S-k@amd.com> References: <20220712145847.3438544-1-Shyam-sundar.S-k@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-Office365-Filtering-Correlation-Id: 330b7d97-0c78-49b8-b318-08da6417205f X-MS-TrafficTypeDiagnostic: BN6PR12MB1585:EE_ 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: 12 Jul 2022 14:59:31.5733 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 330b7d97-0c78-49b8-b318-08da6417205f 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: BN8NAM11FT065.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR12MB1585 Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org From: Mario Limonciello Allow other drivers to react to determine current active profile and react to platform profile changes. Signed-off-by: Mario Limonciello Signed-off-by: Shyam Sundar S K --- drivers/acpi/platform_profile.c | 26 ++++++++++++++++++++++++++ include/linux/platform_profile.h | 1 + 2 files changed, 27 insertions(+) diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c index d418462ab791..7e12a1f30f06 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -49,6 +49,32 @@ static ssize_t platform_profile_choices_show(struct device *dev, return len; } +int platform_profile_get(enum platform_profile_option *profile) +{ + int err; + + err = mutex_lock_interruptible(&profile_lock); + if (err) + return err; + + if (!cur_profile) { + mutex_unlock(&profile_lock); + return -ENODEV; + } + + err = cur_profile->profile_get(cur_profile, profile); + mutex_unlock(&profile_lock); + if (err) + return err; + + /* Check that profile is valid index */ + if (WARN_ON((*profile < 0) || (*profile >= ARRAY_SIZE(profile_names)))) + return -EIO; + + return 0; +} +EXPORT_SYMBOL_GPL(platform_profile_get); + static ssize_t platform_profile_show(struct device *dev, struct device_attribute *attr, char *buf) diff --git a/include/linux/platform_profile.h b/include/linux/platform_profile.h index e5cbb6841f3a..2395be670dfd 100644 --- a/include/linux/platform_profile.h +++ b/include/linux/platform_profile.h @@ -37,5 +37,6 @@ struct platform_profile_handler { int platform_profile_register(struct platform_profile_handler *pprof); int platform_profile_remove(void); void platform_profile_notify(void); +int platform_profile_get(enum platform_profile_option *profile); #endif /*_PLATFORM_PROFILE_H_*/ -- 2.25.1