Public bug reported:
[Impact]
When stress S3 on AMD 0x15e5 usb host controller, it failed to resume.
The controller indicates "internal Host Controller Error"
[Fix]
To fix this, sparse controller enable bit has to be disabled.
[Test Case]
Verified on the target platform, OK for 100 times of S3.
[Regression Potential]
Low,
Add specific ID quirk for hw, no other hw related, tested with positive results.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Affects: linux-oem-5.6 (Ubuntu)
Importance: Undecided
Status: New
** Tags: focal
** Summary changed:
- [SRU] Fix AMD usb host controller lost after stress S3
+ [SRU] [Focal/OEM-5.6/Groovy]Fix AMD usb host controller lost after stress S3
** Also affects: linux-oem-5.6 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1893914
Title:
[SRU] [Focal/OEM-5.6/Groovy]Fix AMD usb host controller lost after
stress S3
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