Re: [PATCH v3] Add driver to force WMI Thunderbolt controller power status

From	Darren Hart <dvhart@infradead.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH v3] Add driver to force WMI Thunderbolt controller power status
Date	2017-09-11 23:50 +0200
Message-ID	<uoEKC-rj-9@gated-at.bofh.it> (permalink)
References	<untoe-qu-21@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Fri, Sep 08, 2017 at 10:23:11AM -0500, Mario Limonciello wrote:
> Current implementations of Intel Thunderbolt controllers will go
> into a low power mode when not in use.
> 
> Many machines containing these controllers also have a GPIO wired up
> that can force the controller awake.  This is offered via a ACPI-WMI
> interface intended to be manipulated by a userspace utility.
> 
> This mechanism is provided by Intel to OEMs to include in BIOS.
> It uses an industry wide GUID that is populated in a separate _WDG
> entry with no binary MOF.
> 
> This interface allows software such as fwupd to wake up thunderbolt
> controllers to query the firmware version or flash new firmware.
> 
> Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>

Queued for testing, thanks everyone.

-- 
Darren Hart
VMware Open Source Technology Center

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Re: [PATCH v3] Add driver to force WMI Thunderbolt controller power  status Darren Hart <dvhart@infradead.org> - 2017-09-11 23:50 +0200
  RE: [PATCH v3] Add driver to force WMI Thunderbolt controller power  status <Mario.Limonciello@dell.com> - 2017-09-12 21:40 +0200

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