linux-kernel - Re: [PATCH AUTOSEL 4.14 87/87] PCI: Whitelist Thunderbolt ports for runtime D3

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Message-ID: <20180917082539.pikwd2n27ah6xy35@wunner.de>
Date:   Mon, 17 Sep 2018 10:25:39 +0200
From:   Lukas Wunner <lukas@...ner.de>
To:     Sasha Levin <Alexander.Levin@...rosoft.com>
Cc:     "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Andreas Noever <andreas.noever@...il.com>
Subject: Re: [PATCH AUTOSEL 4.14 87/87] PCI: Whitelist Thunderbolt ports for
 runtime D3

Hi Sasha,

On Mon, Sep 17, 2018 at 03:03:19AM +0000, Sasha Levin wrote:
> From: Lukas Wunner <lukas@...ner.de>
> 
> [ Upstream commit 47a8e237ed443c174f8f73402755c458c56eb611 ]
> 
> Thunderbolt controllers can be runtime suspended to D3cold to save ~1.5W.
> This requires that runtime D3 is allowed on its PCIe ports, so whitelist
> them.

This commit was at the end of a series with 30+ patches and depends on
all the preceding patches.  It cannot be backported on its own I'm afraid,
hence should be removed from the 4.14 and 4.18 stable queue.

Thanks,

Lukas