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From: Aaron Ma <aaron.ma@canonical.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Mathias Nyman <mathias.nyman@linux.intel.com>
Cc: Kai-Heng Feng <kai.heng.feng@canonical.com>,
	Alan Stern <stern@rowland.harvard.edu>,
	Lee Jones <lee.jones@linaro.org>,
	peter.chen@nxp.com, USB list <linux-usb@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Linux PCI <linux-pci@vger.kernel.org>
Subject: Re: [PATCH] xhci-pci: Set AMD Renoir USB controller to D3 when shutdown
Date: Fri, 19 Feb 2021 16:07:04 +0800	[thread overview]
Message-ID: <a93e3039-c910-4bf5-0e8a-ffdd74b983d0@canonical.com> (raw)
In-Reply-To: <YCUoBP4GUrGL0J3J@kroah.com>



On 2/11/21 8:50 PM, Greg Kroah-Hartman wrote:
> On Wed, Feb 10, 2021 at 03:13:30PM +0200, Mathias Nyman wrote:
>> 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...
> 
> There probably is.  Kay-Heng, can you look into doing that instead?
> 

There is no such PCI quirk, usually it calls driver to shutdown.

Regards,
Aaron

> thanks,
> 
> greg k-h
> 

  reply	other threads:[~2021-02-19  8:07 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20210204051850.64857-1-aaron.ma@canonical.com>
     [not found] ` <CAAd53p4euFiw7pfDnD2H8oMVeeTqQ_c+wOFDLM2xPccn5MewiA@mail.gmail.com>
     [not found]   ` <cd4595e6-67da-885c-1a67-6dfd71425b8c@canonical.com>
     [not found]     ` <CAAd53p4z1ydFi5pwOZJnsrBDPNVLKU0ygqa0+kdZdXWYocPLgQ@mail.gmail.com>
     [not found]       ` <YCJJrVp2DvCzigCw@kroah.com>
2021-02-10 13:13         ` Mathias Nyman
2021-02-11 12:50           ` Greg Kroah-Hartman
2021-02-19  8:07             ` Aaron Ma [this message]
2021-02-22  5:56               ` Kai-Heng Feng

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