[PATCH AUTOSEL for 4.9 265/293] IB/ipoib: Fix for potential no-carrier state

From: Alex Estrin [ Upstream commit 1029361084d18cc270f64dfd39529fafa10cfe01 ] On reboot SM can program port pkey table before ipoib registered its event handler, which could result in missing pkey event and leave root interface with initial pkey value from index 0.

[PATCH AUTOSEL for 4.9 265/293] IB/ipoib: Fix for potential no-carrier state

From: Alex Estrin [ Upstream commit 1029361084d18cc270f64dfd39529fafa10cfe01 ] On reboot SM can program port pkey table before ipoib registered its event handler, which could result in missing pkey event and leave root interface with initial pkey value from index 0. Since OPA port starts with