A Trusty test kernel with the following commits reverted does not exhibit the bug:
7ba40e8 xhci: delete endpoints from bandwidth list before freeing whole device
8172925 usb: xhci: Prefer endpoint context dequeue pointer over stopped_trb
00bd7b9 xhci: Switch Intel Lynx Point ports to EHCI on shutdown.
c349a2e xhci: Prevent runtime pm from autosuspending during initialization
A Trusty test kernel with the following commits reverted does not exhibit the bug:
7ba40e8 xhci: delete endpoints from bandwidth list before freeing whole device
8172925 usb: xhci: Prefer endpoint context dequeue pointer over stopped_trb
00bd7b9 xhci: Switch Intel Lynx Point ports to EHCI on shutdown.
c349a2e xhci: Prevent runtime pm from autosuspending during initialization