Messages in this thread | | | Date | Wed, 21 Sep 2022 10:48:17 -0500 | Subject | Re: [PATCH 0/2] Fix some hotplug event issues | From | "Limonciello, Mario" <> |
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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.
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