drivers: Kill now superfluous ->last_rx stores

The generic packet receive code takes care of setting
netdev->last_rx when necessary, for the sake of the
bonding ARP monitor.

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

drivers/s390/net/ctcm_main.c

@@ -164,7 +164,6 @@ void ctcm_unpack_skb(struct channel *ch, struct sk_buff *pskb)
 		priv->stats.rx_packets++;
 		priv->stats.rx_bytes += skblen;
 		netif_rx_ni(skb);
-		dev->last_rx = jiffies;
 		if (len > 0) {
 			skb_pull(pskb, header->length);
 			if (skb_tailroom(pskb) < LL_HEADER_LENGTH) {

drivers/s390/net/netiucv.c

@@ -676,7 +676,6 @@ static void netiucv_unpack_skb(struct iucv_connection *conn,
 		 * we must use netif_rx_ni() instead of netif_rx()
 		 */
 		netif_rx_ni(skb);
-		dev->last_rx = jiffies;
 		skb_pull(pskb, header->next);
 		skb_put(pskb, NETIUCV_HDRLEN);
 	}

drivers/s390/net/qeth_l2_main.c

@@ -449,7 +449,6 @@ static void qeth_l2_process_inbound_buffer(struct qeth_card *card,
 			QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN);
 			continue;
 		}
-		card->dev->last_rx = jiffies;
 		card->stats.rx_packets++;
 		card->stats.rx_bytes += len;
 	}

drivers/s390/net/qeth_l3_main.c

@@ -1987,7 +1987,6 @@ static void qeth_l3_process_inbound_buffer(struct qeth_card *card,
 			continue;
 		}
 
-		card->dev->last_rx = jiffies;
 		card->stats.rx_packets++;
 		card->stats.rx_bytes += len;
 	}