[SRU][Xenial] fix nvme boot regression

[Kamal Mostafa]

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1626894

Fixes bad Xenial backport (from 4.4-stable) of:
30d6592 "NVMe: Don't unmap controller registers on reset"

Positive test results:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1626894/comments/15

 -Kamal


Kamal Mostafa (1):
  UBUNTU: (fix) NVMe: Don't unmap controller registers on reset

 drivers/nvme/host/pci.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

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2.7.4