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Message-ID: <0502496faa2f494a8d81e4789fa2a77e@ausx13mpc120.AMER.DELL.COM>
Date:	Thu, 28 Apr 2016 18:44:53 +0000
From:	<Mario_Limonciello@...l.com>
To:	<luto@...nel.org>, <prarit@...hat.com>,
	<linux-kernel@...r.kernel.org>
CC:	<robert.moore@...el.com>, <lv.zheng@...el.com>,
	<rafael.j.wysocki@...el.com>, <lenb@...nel.org>,
	<linux-acpi@...r.kernel.org>, <stable@...r.kernel.org>,
	<devel@...ica.org>
Subject: RE: [PATCH] ACPI: fix Thunderbolt hotplug



> -----Original Message-----
> From: Andy Lutomirski [mailto:luto@...nel.org]
> Sent: Thursday, April 28, 2016 1:39 PM
> To: Prarit Bhargava <prarit@...hat.com>; linux-kernel@...r.kernel.org
> Cc: Robert Moore <robert.moore@...el.com>; Lv Zheng
> <lv.zheng@...el.com>; Rafael J. Wysocki <rafael.j.wysocki@...el.com>; Len
> Brown <lenb@...nel.org>; linux-acpi@...r.kernel.org; Limonciello, Mario
> <Mario_Limonciello@...l.com>; stable@...r.kernel.org; devel@...ica.org
> Subject: Re: [PATCH] ACPI: fix Thunderbolt hotplug
> 
> On 04/27/2016 05:26 AM, Prarit Bhargava wrote:
> > Rafael, this patch is in the acpica.git tree as 7a3bd2d ("Dispatcher:
> > Update thread ID for recursive method calls").  I've had many positive
> > testing results from hardware vendors and users with this patch and
> > this resolves many of the problems seen here:
> >
> > https://bugzilla.kernel.org/show_bug.cgi?id=115121
> >
> > This does not fix the problems with the TB docking station.  Although
> > this patch will also be required, the docking station issues require a FW
> update.
> > Updated FW should be coming soon to resolve those problems.
> >
> 
> No kidding!?!  Will that update be installable from Linux?  If so, could you cc
> me on that?
> 


This patch does let the dock hotplug properly after the BIOS fix is applied.

For the dock devices not showing up on the other side of the thunderbolt bridge:
It's going to be a system firmware update for both the XPS 9350 and Precision 5510.  It will get distributed to LVFS and can be loaded up with fwupd/fwupdate.  
I don't yet have an ETA that I can share other than "Next BIOS release"

After the update, set Thunderbolt Security to "No Security" and devices should be available.

Thanks,

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