tree f209c677d351b228dd6be42d50b21d814abb933d
parent 8917a3c0b7d1557548f50bfe3f0e18e0354e38f6
author Don Skidmore <donald.c.skidmore@intel.com> 1291382610 +0000
committer David S. Miller <davem@davemloft.net> 1291670330 -0800

ixgbe: fix for link failure on SFP+ DA cables

This patch helps prevent FW/SW semaphore collision from leading
to link establishment failure.  The collision might mess up the
PHY registers so we reset the PHY.  However there are SFI/KR areas
in the PHY that are not reset with a Reset_AN so we need to change
LMS to reset it.  Also wait until AN state machine is AN_GOOD

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>