linux-kernel - Re: [PATCH v2 0/2] PCI: Add missing link delays

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Date:   Mon, 7 Oct 2019 17:15:24 +0200
From:   Matthias Andree <matthias.andree@....de>
To:     Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>, Lukas Wunner <lukas@...ner.de>,
        Keith Busch <keith.busch@...el.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Alexandru Gagniuc <mr.nuke.me@...il.com>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Paul Menzel <pmenzel@...gen.mpg.de>,
        Nicholas Johnson <nicholas.johnson-opensource@...look.com.au>,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/2] PCI: Add missing link delays

Am 07.10.19 um 11:32 schrieb Mika Westerberg:
> On Sat, Oct 05, 2019 at 09:34:41AM +0200, Matthias Andree wrote:
>> Am 04.10.19 um 15:06 schrieb Mika Westerberg:
>>> On Fri, Oct 04, 2019 at 02:57:21PM +0200, Matthias Andree wrote:
>>>> Am 04.10.19 um 14:39 schrieb Mika Westerberg:
>>>>> @Matthias, @Paul and @Nicholas, I appreciate if you could check that this
>>>>> does not cause any issues for your systems.
>>>> Just to be sure: is this intended to be applied against the 5.4-rc*
>>>> master branch?
>>> Yes, it applies on top of v5.4-rc1.
>> I am sorry to say that I cannot currently test - my computer has a
>> GeForce 1060-6GB an no onboard/on-chip graphics.
>> The nvidia module 435.21 does not compile against 5.4-rc* for me (5.3.1
>> was fine).
> I think the two patches should apply cleanly on 5.3.x as well.

Mika, that worked.

With your two patches on top of Linux 5.3.4, two Suspend-to-RAM cycles
(ACPI S3), one Suspend-to-disk cycle (ACPI S4),
no regressions observed => success?

Let me know off-list if you need any of my "usual logs" from my test script.

One blank line added to delineate Greg's release from your patches:

> * 9c2dfb396722 2019-10-04 | PCI: Add missing link delays required by
> the PCIe spec (HEAD -> linux-5.3.y) [Mika Westerberg]
> * 00103c8c3fa8 2019-10-04 | PCI: Introduce pcie_wait_for_link_delay()
> [Mika Westerberg]
>
> * ed56826f1779 2019-10-05 | Linux 5.3.4 (tag: v5.3.4,
> stable/linux-5.3.y) [Greg Kroah-Hartman]
> * d0b85a37c06b 2019-09-04 | platform/chrome: cros_ec_rpmsg: Fix race
> with host command when probe failed [Pi-Hsun Shih]
> * bec8c6dec605 2019-09-22 | mt76: mt7615: fix mt7615 firmware path
> definitions [Lorenzo Bianconi]
> * 5dab55b417ca 2019-07-02 | mt76: mt7615: always release sem in
> mt7615_load_patch [Lorenzo Bianconi]
> * 88688a6cd741 2019-09-09 | md/raid0: avoid RAID0 data corruption due
> to layout confusion. [NeilBrown]
Regards,
Matthias