Re: [PATCH v2] Add driver to force WMI Thunderbolt controller power status

From: Mika Westerberg
Date: Fri Sep 08 2017 - 04:16:26 EST


On Thu, Sep 07, 2017 at 01:47:22PM -0500, Mario Limonciello wrote:

I have a small comment which you might want to consider.

> +static int intel_wmi_thunderbolt_probe(struct wmi_device *wdev)
> +{
> + return sysfs_create_group(&wdev->dev.kobj, &tbt_attribute_group);
> +}
> +
> +static int intel_wmi_thunderbolt_remove(struct wmi_device *wdev)
> +{
> + sysfs_remove_group(&wdev->dev.kobj, &tbt_attribute_group);
> + return 0;
> +}

In order to notify userspace about this, what if you send KOBJ_CHANGE
for the wdev when you add/remove this attribute?