Re: [PATCH] ACPI: fix Thunderbolt hotplug

From: Andy Lutomirski
Date: Thu Apr 28 2016 - 14:47:14 EST


On Thu, Apr 28, 2016 at 11:44 AM, <Mario_Limonciello@xxxxxxxx> wrote:
>
>
>> -----Original Message-----
>> From: Andy Lutomirski [mailto:luto@xxxxxxxxxx]
>> Sent: Thursday, April 28, 2016 1:39 PM
>> To: Prarit Bhargava <prarit@xxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx
>> Cc: Robert Moore <robert.moore@xxxxxxxxx>; Lv Zheng
>> <lv.zheng@xxxxxxxxx>; Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>; Len
>> Brown <lenb@xxxxxxxxxx>; linux-acpi@xxxxxxxxxxxxxxx; Limonciello, Mario
>> <Mario_Limonciello@xxxxxxxx>; stable@xxxxxxxxxxxxxxx; devel@xxxxxxxxxx
>> 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.

Great!

Does this mean that I won't need to boot into Windows and run the
little Intel tool to update the Alpine Ridge firmware? I.e. will the
LVFS / EFI executable do that part?

--Andy

>
> Thanks,
>



--
Andy Lutomirski
AMA Capital Management, LLC