Hi Mario, On Wed, Sep 21, 2022 at 10:48:17AM -0500, Limonciello, Mario wrote: > 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. I applied the first one to my fixes branch and tagged it for stable. For the second one, I have a couple of comments that I would like you to address (sent in a separate email) ;-)
