[PATCH v10 14/22] ACPI: platform_profile: Notify change events on register and unregister

Mario Limonciello
2024-12-06T03:25:56Z

As multiple platform profile handlers may come and go, send a notification
to userspace each time that a platform profile handler is registered or
unregistered.

Reviewed-by: Armin Wolf <W_Armin@gmx.de>
Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Tested-by: Matthew Schwartz <matthew.schwartz@linux.dev>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
---
drivers/acpi/platform_profile.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c
index d2c83cb258296..2a4f067c3c5c1 100644
--- a/drivers/acpi/platform_profile.c
+++ b/drivers/acpi/platform_profile.c
@@ -361,6 +361,8 @@ int platform_profile_register(struct platform_profile_handler *pprof)
goto cleanup_ida;
}

+ sysfs_notify(acpi_kobj, NULL, "platform_profile");
+
cur_profile = pprof;

err = sysfs_update_group(acpi_kobj, &platform_profile_group);
@@ -391,6 +393,8 @@ int platform_profile_remove(struct platform_profile_handler *pprof)
device_unregister(pprof->class_dev);
ida_free(&platform_profile_ida, id);

+ sysfs_notify(acpi_kobj, NULL, "platform_profile");
+
sysfs_update_group(acpi_kobj, &platform_profile_group);

return 0;
--
2.43.0