From: Kurt Borja <kuurtb@gmail.com>
To: platform-driver-x86@vger.kernel.org
Cc: W_Armin@gmx.de, hdegoede@redhat.com,
	ilpo.jarvinen@linux.intel.com, lenb@kernel.org,
	linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
	mario.limonciello@amd.com, mpearson-lenovo@squebb.ca,
	rafael@kernel.org, soyer@irl.hu, Kurt Borja <kuurtb@gmail.com>
Subject: [PATCH v2 1/2] ACPI: platform_profile: Add devm_platform_profile_register()
Date: Tue, 24 Dec 2024 09:01:32 -0500	[thread overview]
Message-ID: <20241224140131.30362-4-kuurtb@gmail.com> (raw)
In-Reply-To: <20241224140131.30362-2-kuurtb@gmail.com>

Platform profile's lifetime is usually tied to a device's lifetime,
therefore add a device managed version of platform_profile_register().

Signed-off-by: Kurt Borja <kuurtb@gmail.com>
---
 drivers/acpi/platform_profile.c  | 29 +++++++++++++++++++++++++++++
 include/linux/platform_profile.h |  1 +
 2 files changed, 30 insertions(+)

diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c
index 75a1415190ac..4c4200a0b1a6 100644
--- a/drivers/acpi/platform_profile.c
+++ b/drivers/acpi/platform_profile.c
@@ -519,6 +519,35 @@ int platform_profile_remove(struct platform_profile_handler *pprof)
 }
 EXPORT_SYMBOL_GPL(platform_profile_remove);
 
+static void devm_platform_profile_release(struct device *dev, void *res)
+{
+	struct platform_profile_handler **pprof = res;
+
+	platform_profile_remove(*pprof);
+}
+
+int devm_platform_profile_register(struct platform_profile_handler *pprof)
+{
+	struct platform_profile_handler **dr;
+	int ret;
+
+	dr = devres_alloc(devm_platform_profile_release, sizeof(*dr), GFP_KERNEL);
+	if (!dr)
+		return -ENOMEM;
+
+	ret = platform_profile_register(pprof);
+	if (ret) {
+		devres_free(dr);
+		return ret;
+	}
+
+	*dr = pprof;
+	devres_add(pprof->dev, dr);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(devm_platform_profile_register);
+
 static int __init platform_profile_init(void)
 {
 	int err;
diff --git a/include/linux/platform_profile.h b/include/linux/platform_profile.h
index 0682bb4c57e5..f1cd4b65e351 100644
--- a/include/linux/platform_profile.h
+++ b/include/linux/platform_profile.h
@@ -41,6 +41,7 @@ struct platform_profile_handler {
 
 int platform_profile_register(struct platform_profile_handler *pprof);
 int platform_profile_remove(struct platform_profile_handler *pprof);
+int devm_platform_profile_register(struct platform_profile_handler *pprof);
 int platform_profile_cycle(void);
 void platform_profile_notify(struct platform_profile_handler *pprof);
 
-- 
2.47.1

next prev parent reply	other threads:[~2024-12-24 14:02 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-24 14:01 [PATCH v2 0/2] Device managed platform_profile_register() Kurt Borja
2024-12-24 14:01 ` Kurt Borja [this message]
2025-01-14 13:34   ` [PATCH v2 1/2] ACPI: platform_profile: Add devm_platform_profile_register() Rafael J. Wysocki
2025-01-14 14:33     ` Ilpo Järvinen
2024-12-24 14:01 ` [PATCH v2 2/2] alienware-wmi: Use devm_platform_profile_register() Kurt Borja
2024-12-25 20:31 ` [PATCH v2 0/2] Device managed platform_profile_register() Armin Wolf
2024-12-30 18:31 ` Ilpo Järvinen
2024-12-31 15:53   ` Kurt Borja
2025-01-07 15:48     ` Ilpo Järvinen

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