linux-kernel - Re: [PATCH v2] xhci-pci: Only run d3cold avoidance quirk for s2idle

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Date:   Thu, 4 May 2023 10:51:49 +0300
From:   Mathias Nyman <mathias.nyman@...ux.intel.com>
To:     "Limonciello, Mario" <mlimonci@....com>,
        Mario Limonciello <mario.limonciello@....com>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Natikar Basavaraj <Basavaraj.Natikar@....com>,
        Donghun Yoon <donghun.yoon@....com>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] xhci-pci: Only run d3cold avoidance quirk for s2idle

On 3.5.2023 16.59, Limonciello, Mario wrote:
> 
> On 5/3/2023 8:14 AM, Mathias Nyman wrote:
>> On 25.4.2023 0.48, Mario Limonciello wrote:
>>> Donghun reports that a notebook that has an AMD Ryzen 5700U but supports
>>> S3 has problems with USB after resuming from suspend. The issue was
>>> bisected down to commit d1658268e439 ("usb: pci-quirks: disable D3cold on
>>> xhci suspend for s2idle on AMD Renoir").
>>>
>>> As this issue only happens on S3, narrow the broken D3cold quirk to only
>>> run in s2idle.
>>>
>>> Fixes: d1658268e439 ("usb: pci-quirks: disable D3cold on xhci suspend for s2idle on AMD Renoir")
>>> Reported-and-tested-by: Donghun Yoon <donghun.yoon@....com>
>>> Signed-off-by: Mario Limonciello <mario.limonciello@....com>
>>> ---
>>> v1->v2:
>>>   * Guard against CONFIG_SUSPEND not being set
>>
>> Thanks,
>> Checkpatch complains that it wants a link to the issue after a "Reported-by:" tag.
>>
>> Is there any public report of this?
>>
>> Thanks
>> Mathias
>>
>>
> It was reported privately to me by Donghun, and they confirmed from private testing
> that this change helps the issue.
> 
> I noticed that message from checkpatch too before I sent this up, but I figured it's better
> to give Donghun attribution rather than drop the tag.
> 

Agree, thanks for the info

Mathias