[Bug 216728] Thunderbolt USB Controller died after resume on Intel CometLake platform

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https://bugzilla.kernel.org/show_bug.cgi?id=216728

--- Comment #5 from Mika Westerberg (mika.westerberg@xxxxxxxxxxxxxxx) ---
Thanks. It looks like the PCIe link to the xHCI is down:

03:02.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge
4C 2018] (rev 06) (prog-if 00 [Normal decode])
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 127
        Bus: primary=03, secondary=38, subordinate=38, sec-latency=0
...
                LnkSta: Speed 2.5GT/s (ok), Width x4 (ok)
                        TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-

I have not seen this one before. What's the firmware version? You can find this
out by reading /sys/bus/thunderbolt/devices/0-0/nvm_version.

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