Re: [PATCH v6 14/22] ACPI: platform_profile: Notify change events on register and unregister

[Armin Wolf]

Am 09.11.24 um 05:41 schrieb Mario Limonciello:

> 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@xxxxxx>

> Tested-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx>
> 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 | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c
> index c5487d3928c1b..c4d451782ff18 100644
> --- a/drivers/acpi/platform_profile.c
> +++ b/drivers/acpi/platform_profile.c
> @@ -380,6 +380,8 @@ 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);
> @@ -408,6 +410,8 @@ 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");
> +
>   	cur_profile = NULL;
>
>   	sysfs_update_group(acpi_kobj, &platform_profile_group);