For the record, DT boot is equally affected, even though the fix
mentions ACPI _HIDs etc

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https://bugs.launchpad.net/bugs/1692548

Title:
  Marvell MacchiatoBin crashes in fintek_8250_probe()

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Zesty:
  In Progress

Bug description:
  [Impact]
  The Marvell MacchiatoBin community board fails to boot with Ubuntu 17.04 due 
to a crash in the Fintek 8250 driver.

  [Test Case]
  Boot Ubuntu 17.04 on a Marvell MacchiatoBin board in UEFI/ACPI mode, check 
for crash.

  [Regression Risk]
  Fix looks straightforward to me - it avoids probing a PIO-only driver if the 
port is non-PIO, thus avoiding a crash on platforms where native PIO is 
unsupported. The fix is upstream and CC'd for stable, so there should be 
upstream support for any regressions it were to cause.

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