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

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Message-ID: <20170911214015.GA128849@localhost.localdomain>
Date:   Mon, 11 Sep 2017 23:40:15 +0200
From:   Darren Hart <dvhart@...radead.org>
To:     Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:     Mario.Limonciello@...l.com, linux-kernel@...r.kernel.org,
        platform-driver-x86@...r.kernel.org, hughsient@...il.com,
        yehezkelshb@...il.com
Subject: Re: [PATCH v2] Add driver to force WMI Thunderbolt controller power
 status

On Mon, Sep 11, 2017 at 12:46:14PM +0300, Mika Westerberg wrote:
> On Mon, Sep 11, 2017 at 02:39:55AM -0700, Darren Hart wrote:
> > Which device are you referring to? This attribute is bound to the device
> > identified by the WMI GUID, and should be independent from the controller or any
> > thunderbolt connected physical device.
> 
> I refer to "wdev->dev" whatever that is. That device has been created
> long time before this driver is probed and thus userspace already got
> the KOBJ_ADD uevent.
> 

Ah yes, I see - at the time of device_register. Thanks Mika.

-- 
Darren Hart
VMware Open Source Technology Center