Public bug reported:
===SRU Justification===
[Impact]
Some PCI device are not power managed by system firmware get runtime suspended
incorrectly. In this case it's an xHC device, which can't be woken up by
plugging USB device.
[Test]
With the patch, the xHC no longer get put to suspend incorrectly. USB devices
can work on the xHC now.
[Fix]
We need to check if the device is power managed by system firmware, also if it
supports PME from D3hot.
[Regression Potential]
Low.
It fixes a regression caused by the PM core refactor.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: originate-from-1746879 somerville
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https://bugs.launchpad.net/bugs/1764684
Title:
Fix an issue that some PCI devices get incorrectly suspended
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