Re: [PATCH] xhci-pci: Set AMD Renoir USB controller to D3 when shutdown

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

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?

thanks,

greg k-h