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SubjectRe: [PATCH] xhci-pci: Set AMD Renoir USB controller to D3 when shutdown
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On 9.2.2021 10.37, Greg Kroah-Hartman wrote:
> On Fri, Feb 05, 2021 at 02:50:15PM +0800, Kai-Heng Feng wrote:
>> On Fri, Feb 5, 2021 at 2:45 PM Aaron Ma <aaron.ma@canonical.com> wrote:
>>>
>>>
>>> On 2/5/21 12:27 PM, Kai-Heng Feng wrote:
>>>> Can you please test the following patch, which should address the root cause:
>>>> https://lore.kernel.org/linux-acpi/20201201213019.1558738-1-furquan@google.com/
>>>>
>>>> It also helps another AMD laptop on S5:
>>>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1912935
>>>>
>>>
>>> No, this patch doesn't help on ThinkPad AMD platform.
>>
>> Thanks for the confirmation!
>>
>> Acked-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
>
> Mathias, want me to take this in my tree now, or are you going to send
> me more patches for 5.12-rc1?
>

Nothing more for 5.12-rc1 from me.

Could this be a PCI quirk instead of xhci?
Maybe there is some PCI flag for this already, haven't checked yet.

We want a specific PCI device to go to PCI D3cold at PCI shutdown...

If not, then adding this to xhci is fine for me as well

Thanks
-Mathias


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