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Wysocki" , Danilo Krummrich , Jonathan Corbet , Shuah Khan , Michael Turquette , Stephen Boyd , Brian Masney , Russell King CC: Shyam Pandey , , , , , , , , Subject: [PATCH net-next 1/7] clk: Add devm_clk_bulk_get_enable() Date: Thu, 23 Jul 2026 18:08:32 +0530 Message-ID: <20260723123838.125145-2-suraj.gupta2@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260723123838.125145-1-suraj.gupta2@amd.com> References: <20260723123838.125145-1-suraj.gupta2@amd.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000C618B:EE_|BL3PR12MB6474:EE_ X-MS-Office365-Filtering-Correlation-Id: c0c2cb04-dad0-4717-8b8c-08dee8b75eb4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|23010399003|7416014|376014|1800799024|82310400026|921020|56012099006|10067099003|11063799006|22082099003|18002099003; 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:NLI;SFV:NSPM;H:satlexmb08.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700016)(23010399003)(7416014)(376014)(1800799024)(82310400026)(921020)(56012099006)(10067099003)(11063799006)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: csaboYG2Z6cFa2MKCftkH/FhFuzuoIU4LzLIKRJGRwKPXQG4P/lL7BrBalXJAHWlRjkWu9JVCugFIrHUdSGlV25cO7Q5JvjCYpDamc4g9P72U0t/F5g4SNPD0KCCql0fP83fvZWcDrgc3vfpgdKUURSRGbuy/HnDAsgQCjqEoUxjVC1sZGZBX2bs3fP5GQttK+36/ZnPJFRFB7jaOuJhS0V5cgHz07Ubm51StA6MJrdlvCqmCxbHT+u5m2nBlkWQHTdWLUd+C0M76oTEINpqgyaZ5EkuTQE9efbvo2MTQhwluPaYVs2rEdyilH7kgSBRq9sNomNLWr1vH0s7rKQJXUZwP7+UBuNzBVItGb1xqAs1AfJOEbQz5cXIClX/F9rVt43DmJYl/2y5Ve5XyuVpsyHmtdEWF8M6wgFTODiExoLncZHjwrp7E0aNAu/7zzMw X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Jul 2026 12:38:59.7430 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c0c2cb04-dad0-4717-8b8c-08dee8b75eb4 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=[satlexmb08.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MWH0EPF000C618B.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL3PR12MB6474 devm_clk_bulk_get_optional_enable() gets, prepares and enables a set of clocks with device-managed cleanup, but treats every clock as optional: a missing clock is silently returned as NULL instead of failing. Consumers that need a fixed set of mandatory clocks enabled for the lifetime of the device currently have to open-code devm_clk_bulk_get() followed by clk_bulk_prepare_enable(), which loses the managed disable on unbind, or fall back to per-clock devm_clk_get_enabled() calls. Add devm_clk_bulk_get_enable() as the non-optional counterpart. The underlying __devm_clk_bulk_get_enable() helper already supports the required (optional = false) path, so only export a thin wrapper for it. Signed-off-by: Suraj Gupta --- .../driver-api/driver-model/devres.rst | 1 + drivers/clk/clk-devres.c | 7 ++++++ include/linux/clk.h | 23 +++++++++++++++++++ 3 files changed, 31 insertions(+) diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst index 017fb155a5bc..5067500ded5c 100644 --- a/Documentation/driver-api/driver-model/devres.rst +++ b/Documentation/driver-api/driver-model/devres.rst @@ -248,6 +248,7 @@ CLOCK devm_clk_put() devm_clk_bulk_get() devm_clk_bulk_get_all() + devm_clk_bulk_get_enable() devm_clk_bulk_get_optional() devm_get_clk_from_child() devm_clk_hw_register() diff --git a/drivers/clk/clk-devres.c b/drivers/clk/clk-devres.c index 994d5bc5168b..49d4782991eb 100644 --- a/drivers/clk/clk-devres.c +++ b/drivers/clk/clk-devres.c @@ -222,6 +222,13 @@ static int __devm_clk_bulk_get_enable(struct device *dev, int num_clks, return ret; } +int __must_check devm_clk_bulk_get_enable(struct device *dev, int num_clks, + struct clk_bulk_data *clks) +{ + return __devm_clk_bulk_get_enable(dev, num_clks, clks, false); +} +EXPORT_SYMBOL_GPL(devm_clk_bulk_get_enable); + int __must_check devm_clk_bulk_get_optional_enable(struct device *dev, int num_clks, struct clk_bulk_data *clks) { diff --git a/include/linux/clk.h b/include/linux/clk.h index 998ba3f261da..0289ac4c6e48 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -502,6 +502,22 @@ int __must_check devm_clk_bulk_get(struct device *dev, int num_clks, */ int __must_check devm_clk_bulk_get_optional(struct device *dev, int num_clks, struct clk_bulk_data *clks); +/** + * devm_clk_bulk_get_enable - Get and enable bulk clocks (managed) + * @dev: device for clock "consumer" + * @num_clks: the number of clk_bulk_data + * @clks: pointer to the clk_bulk_data table of consumer + * + * Behaves the same as devm_clk_bulk_get() but also prepares and enables the + * clocks in one operation with management. The clks will automatically be + * disabled, unprepared and freed when the device is unbound. + * + * Return: 0 if all clocks specified in clk_bulk_data table are obtained and + * enabled successfully. Otherwise returns valid IS_ERR() condition containing + * errno. + */ +int __must_check devm_clk_bulk_get_enable(struct device *dev, int num_clks, + struct clk_bulk_data *clks); /** * devm_clk_bulk_get_optional_enable - Get and enable optional bulk clocks (managed) * @dev: device for clock "consumer" @@ -1052,6 +1068,13 @@ static inline int __must_check devm_clk_bulk_get_optional(struct device *dev, return 0; } +static inline int __must_check devm_clk_bulk_get_enable(struct device *dev, + int num_clks, + struct clk_bulk_data *clks) +{ + return 0; +} + static inline int __must_check devm_clk_bulk_get_optional_enable(struct device *dev, int num_clks, struct clk_bulk_data *clks) -- 2.25.1