Public bug reported:

[Impact]
Sometimes USB hub on Dell TB16 stop working after S3.

[Fix]
Attempt to power cycle USB device when a it's stuck at eSS.Disabled
state, it's basically not recoverable. 
            
[Test]
After applying the patch, USB ports and USB ethernet are still working
after 100 times S3 stress test.

[Regression Potential]
Low. This is a last resort attempt, in most cases this code path won't
be reached.

** Affects: hwe-next
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux-oem (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux-oem-osp1 (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu Bionic)
     Importance: Undecided
         Status: New

** Affects: linux-oem (Ubuntu Bionic)
     Importance: Undecided
         Status: New

** Affects: linux-oem-osp1 (Ubuntu Bionic)
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu Disco)
     Importance: Undecided
         Status: New

** Affects: linux-oem (Ubuntu Disco)
     Importance: Undecided
         Status: Won't Fix

** Affects: linux-oem-osp1 (Ubuntu Disco)
     Importance: Undecided
         Status: Won't Fix

** Affects: linux (Ubuntu Eoan)
     Importance: Undecided
         Status: New

** Affects: linux-oem (Ubuntu Eoan)
     Importance: Undecided
         Status: Won't Fix

** Affects: linux-oem-osp1 (Ubuntu Eoan)
     Importance: Undecided
         Status: Won't Fix


** Tags: oem-priority originate-from-1842413 somerville

** Also affects: linux-oem (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-osp1 (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Disco)
   Importance: Undecided
       Status: New

** Also affects: linux-oem (Ubuntu Disco)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-osp1 (Ubuntu Disco)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Eoan)
   Importance: Undecided
       Status: New

** Also affects: linux-oem (Ubuntu Eoan)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-osp1 (Ubuntu Eoan)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Also affects: linux-oem (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-osp1 (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Changed in: linux-oem (Ubuntu Disco)
       Status: New => Won't Fix

** Changed in: linux-oem (Ubuntu Eoan)
       Status: New => Won't Fix

** Changed in: linux-oem-osp1 (Ubuntu Disco)
       Status: New => Won't Fix

** Changed in: linux-oem-osp1 (Ubuntu Eoan)
       Status: New => Won't Fix

** Tags added: oem-priority originate-from-1842413 somerville

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https://bugs.launchpad.net/bugs/1855312

Title:
  Fix unusable USB hub on Dell TB16 after S3

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