linux-kernel - Re: Lost PCIe PME after a914ff2d78ce ("PCI/ASPM: Don't select CONFIG

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Date:   Fri, 29 May 2020 21:59:00 +0100
From:   Matthew Garrett <mjg59@...f.ucam.org>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     Heiner Kallweit <hkallweit1@...il.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: Lost PCIe PME after a914ff2d78ce ("PCI/ASPM: Don't select
 CONFIG_PCIEASPM by default")

On Fri, May 29, 2020 at 03:21:35PM -0500, Bjorn Helgaas wrote:

> Yeah, that makes sense.  I can't remember the details, but I'm pretty
> sure there's a reason why we ask for the whole set of things.  Seems
> like it solved some problem.  I think Matthew Garrett might have been
> involved in that.

This was https://bugzilla.redhat.com/show_bug.cgi?id=638912 - some 
firmware misbehaves unless you pass the same set of supported 
functionality as Windows does.

-- 
Matthew Garrett | mjg59@...f.ucam.org