Re: [PATCH v9 19/22] ACPI: platform_profile: Notify class device from platform_profile_notify()

[Ilpo Järvinen]

On Sun, 1 Dec 2024, Mario Limonciello wrote:

> When a driver has called platform_profile_notify() both the legacy sysfs
> interface and the class device should be notified as userspace may listen
> to either.
> 
> Reviewed-by: Armin Wolf <W_Armin@xxxxxx>
> Reviewed-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx>
> Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
> ---
> v8:
>  * notify only one dev
> ---
>  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 16746d9b9aa7c..289b5d43638ae 100644
> --- a/drivers/acpi/platform_profile.c
> +++ b/drivers/acpi/platform_profile.c
> @@ -401,6 +401,9 @@ void platform_profile_notify(struct platform_profile_handler *pprof)
>  {
>  	if (!cur_profile)
>  		return;
> +	scoped_cond_guard(mutex_intr, return, &profile_lock) {
> +		_notify_class_profile(pprof->class_dev, NULL);
> +	}
>  	sysfs_notify(acpi_kobj, NULL, "platform_profile");
>  }
>  EXPORT_SYMBOL_GPL(platform_profile_notify);

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>

-- 
 i.