linux-kernel - Re: [GIT PULL] PCI fixes for v4.10

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Message-ID: <65f46b49-950a-270f-8bc4-c3fb7513866e@codeaurora.org>
Date:   Mon, 1 May 2017 22:41:20 -0400
From:   Sinan Kaya <okaya@...eaurora.org>
To:     Lukas Wunner <lukas@...ner.de>, "Raj, Ashok" <ashok.raj@...el.com>
Cc:     Bjorn Helgaas <helgaas@...nel.org>, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, Yinghai Lu <yinghai@...nel.org>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Keith Busch <keith.busch@...el.com>
Subject: Re: [GIT PULL] PCI fixes for v4.10

On 5/1/2017 9:54 PM, Lukas Wunner wrote:
> (b) ASPM L1 enabled on boot, but disabled after powering off and back on
>     => I believe Sinan is working on this (+cc).

The decision was made not to touch ASPM registers following hotplug insertion
unless pcie_aspm.policy=powersave is specified.

The discussion is here: https://lkml.org/lkml/2017/4/17/255

This was done to maintain existing behavior and not break things.

-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.