e1000e: Guarantee descriptor writeback flush success.
authorMatthew Vick <matthew.vick@intel.com>
Fri, 16 Mar 2012 09:03:00 +0000 (09:03 +0000)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Tue, 3 Apr 2012 22:25:16 +0000 (15:25 -0700)
commitbf03085f85112eac2d19036ea3003071220285bb
tree204f9390746aa2798589f6a4d037c3c6827593f0
parentbb9e44d0d0f45da356c39e485edacff6e14ba961
e1000e: Guarantee descriptor writeback flush success.

In rare circumstances, a descriptor writeback flush may not work if it
arrives on a specific clock cycle as a writeback request is going out.

Signed-off-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/e1000e/netdev.c