drivers: Remove explicit invocations of mmiowb()

[linux.git] / drivers / net / ethernet / intel / e1000 / e1000_main.c

diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 8fe9af0e2ab779b4da67b10d11f6b1004db2fdff..466bf1ea186d299d1be7413f2554e7ea7df7b228 100644 (file)
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -3270,11 +3270,6 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
                if (!skb->xmit_more ||
                    netif_xmit_stopped(netdev_get_tx_queue(netdev, 0))) {
                        writel(tx_ring->next_to_use, hw->hw_addr + tx_ring->tdt);
-                       /* we need this if more than one processor can write to
-                        * our tail at a time, it synchronizes IO on IA64/Altix
-                        * systems
-                        */
-                       mmiowb();
                }
        } else {
                dev_kfree_skb_any(skb);