tree 8c193a1c7b997244cdb0ef296c9ed49b190dab27
parent 26f23d82dd8eae6dcc2ab99c04a9256089576a73
author Don Skidmore <donald.c.skidmore@intel.com> 1257512180 +0000
committer David S. Miller <davem@davemloft.net> 1257568417 -0800

ixgbe: fix traffic hangs on Tx with ioatdma loaded

When ioatdma was loaded we we were unable to transmit traffic.  We weren't
using the correct registers in ixgbe_update_tx_dca for 82599 systems.
Likewise in ixgbe_configure_tx() we weren't disabling the arbiter before
modifying MTQC.

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>