Re: [PATCH 0/2] Fix some hotplug event issues

[Limonciello, Mario]

On 9/21/2022 10:45, Greg KH wrote:
> On Wed, Sep 21, 2022 at 09:54:31AM -0500, Mario Limonciello wrote:
> > On AMD Pink Sardine it's been observed that if another CM has run before
> > the Linux CM that some registers may not match expectations which leads
> > to a non-functional hotplug for PCIe devices.
> >
> > Explicitly set these registers that have been observed to cause problems
> > with hotplug to the defaults of the USB4 spec.
> >
> > Mario Limonciello (2):
> >    thunderbolt: Explicitly reset plug events delay back to USB4 spec
> >      value
> >    thunderbolt: Explicitly enable lane adapter hotplug events at startup
> >
> >   drivers/thunderbolt/switch.c  |  5 +++++
> >   drivers/thunderbolt/tb.h      |  1 +
> >   drivers/thunderbolt/tb_regs.h |  1 +
> >   drivers/thunderbolt/usb4.c    | 19 +++++++++++++++++++
> >   4 files changed, 26 insertions(+)
>
> Any specific reason these were not tagged for stable backports?
>
> thanks,
>
> greg k-h


No; no particular reason.  If Mika agrees with them, I think they are 
good candidates to include for stable too.  If I respin them, I'll tag 
accordingly.  If Mika picks them up as v1 I think he can add the tag 
when committing them.