Re: [PATCH v3 14/22] ACPI: platform_profile: Notify change events on register and unregister

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On Thu, Oct 31, 2024, at 12:09 AM, Mario Limonciello wrote:
> 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>
> Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
> ---
>  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 57c66d7dbf827..7bd32f1e8d834 100644
> --- a/drivers/acpi/platform_profile.c
> +++ b/drivers/acpi/platform_profile.c
> @@ -182,6 +182,7 @@ 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;
> @@ -195,6 +196,8 @@ 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

Looks good to me.
Reviewed-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx>

Mark


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