net: another last_rx round

Kill last_rx use in l2tp and two net drivers

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/cxgb4vf/sge.c

diff --git a/drivers/net/cxgb4vf/sge.c b/drivers/net/cxgb4vf/sge.c
index eb5a1c9..e00fd9c3 100644
--- a/drivers/net/cxgb4vf/sge.c
+++ b/drivers/net/cxgb4vf/sge.c
@@ -1520,7 +1520,6 @@
 	__skb_pull(skb, PKTSHIFT);
 	skb->protocol = eth_type_trans(skb, rspq->netdev);
 	skb_record_rx_queue(skb, rspq->idx);
-	skb->dev->last_rx = jiffies;                  /* XXX removed 2.6.29 */
 	pi = netdev_priv(skb->dev);
 	rxq->stats.pkts++;
 

drivers/net/pxa168_eth.c

diff --git a/drivers/net/pxa168_eth.c b/drivers/net/pxa168_eth.c
index 659915c..764aa90 100644
--- a/drivers/net/pxa168_eth.c
+++ b/drivers/net/pxa168_eth.c
@@ -848,7 +848,6 @@
 			skb->protocol = eth_type_trans(skb, dev);
 			netif_receive_skb(skb);
 		}
-		dev->last_rx = jiffies;
 	}
 	/* Fill RX ring with skb's */
 	rxq_refill(dev);

net/l2tp/l2tp_eth.c

diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
index 58c6c4c..f3468ba 100644
--- a/net/l2tp/l2tp_eth.c
+++ b/net/l2tp/l2tp_eth.c
@@ -144,7 +144,6 @@
 	nf_reset(skb);
 
 	if (dev_forward_skb(dev, skb) == NET_RX_SUCCESS) {
-		dev->last_rx = jiffies;
 		dev->stats.rx_packets++;
 		dev->stats.rx_bytes += data_len;
 	} else