** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1955016
Title:
devices on thunderbolt dock are not recognized on adl-p platform
Status in HWE Next:
New
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-5.14 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Invalid
Status in linux-oem-5.14 source package in Focal:
Fix Committed
Status in linux source package in Jammy:
In Progress
Status in linux-oem-5.14 source package in Jammy:
Invalid
Bug description:
[Impact]
When booting up with the TBT dock is plugged, the devices(USB, Ethernet) on
the dock can't be recognized. It requires to run lspci command to wake up the
PCI devices to make the devices on the dock work.
[Fix]
The patchset fix this runtime pm issue.
https://patchwork.kernel.org/project/linux-usb/cover/20211125073733.74902-1-mika.westerb...@linux.intel.com/
[Test]
Verified on Dell ADL-P platform with TBT dock.
[Where the problems could occur]
Hard to evaluate, but after some cold boot/warm boot, plug/un-plug the
devices on the dock, didn't observe any regressions.
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