tree e2190c3fbcff8ee43426e2eea110179a2d4fb272
parent 0d63a8f50e7a7810b0631cd8ea66d44dafb215e6
author Jacob Keller <jacob.e.keller@intel.com> 1465340938 -0700
committer Jeff Kirsher <jeffrey.t.kirsher@intel.com> 1469053335 -0700

fm10k: check if PCIe link is restored

Sometimes, a VF driver will lose PCIe address access, such as due to
a PF FLR event. In fm10k_detach_subtask, poll and check whether the
PCIe register space is active again and restore the device when it has.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Krishneil Singh <Krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>