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.

Tested-by: Matthew Schwartz <matthew.schwartz@linux.dev>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
---
 drivers/acpi/platform_profile.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c
index c0d0775831214..5fee467614eac 100644
--- a/drivers/acpi/platform_profile.c
+++ b/drivers/acpi/platform_profile.c
@@ -210,6 +210,7 @@ int platform_profile_register(struct platform_profile_handler *pprof)
 	if (err)
 		return err;
 	list_add_tail(&pprof->list, &platform_profile_handler_list);
+	sysfs_notify(acpi_kobj, NULL, "platform_profile");
 
 	cur_profile = pprof;
 	return 0;
@@ -223,6 +224,8 @@ int platform_profile_remove(struct platform_profile_handler *pprof)
 	list_del(&pprof->list);
 
 	cur_profile = NULL;
+
+	sysfs_notify(acpi_kobj, NULL, "platform_profile");
 	if (!platform_profile_is_registered())
 		sysfs_remove_group(acpi_kobj, &platform_profile_group);
 
-- 
2.43.0