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@xxxxxxxxx> Reviewed-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx> Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> --- drivers/acpi/platform_profile.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c index 79083d0bb22e3..c9917daf683cb 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -404,6 +404,7 @@ int platform_profile_register(struct platform_profile_handler *pprof) if (IS_ERR(pprof->class_dev)) return PTR_ERR(pprof->class_dev); dev_set_drvdata(pprof->class_dev, pprof); + sysfs_notify(acpi_kobj, NULL, "platform_profile"); cur_profile = pprof; return 0; @@ -419,7 +420,9 @@ int platform_profile_remove(struct platform_profile_handler *pprof) { guard(mutex)(&profile_lock); - sysfs_remove_group(acpi_kobj, &platform_profile_group); + cur_profile = NULL; + + sysfs_notify(acpi_kobj, NULL, "platform_profile"); device_destroy(&platform_profile_class, MKDEV(0, pprof->minor)); -- 2.43.0