** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial

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https://bugs.launchpad.net/bugs/1741206

Title:
  QCA Rome bluetooth failed to work after applying reset-resume quirk

Status in linux package in Ubuntu:
  Triaged
Status in linux-oem package in Ubuntu:
  Invalid
Status in linux source package in Xenial:
  Invalid
Status in linux-oem source package in Xenial:
  Fix Committed

Bug description:
  == SRU Justification ==
  [Impact]
  Some QCA ROME bluetooth devices does not work after runtime suspend/resume 
after SRU LP: #1734020.

  [Fix]
  The commit let btusb reset at second time it resume, i.e. btusb_open(). The 
btusb stops working because the reset happens *after* btusb_open(). The reset 
should be done at hub port initialization, before btusb_probe().

  Revert the bad commit and use the reset-resume quirk in USB core
  stack.

  [Test]
  Cherry-picked the commit into Artful/OEM kernel and the issue is fixed.

  [Regression Potential]
  Low. This is limited to QCA Rome, also verified by the original quirk author.

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