net: trans_start cleanups

Now that core network takes care of trans_start updates, dont do it
in drivers themselves, if possible. Drivers can avoid one cache miss
(on dev->trans_start) in their start_xmit() handler.

Exceptions are NETIF_F_LLTX drivers

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

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c
index ab9bb3c52002..54deaa91e7c6 100644
--- a/drivers/net/3c509.c
+++ b/drivers/net/3c509.c
@@ -807,7 +807,7 @@ el3_tx_timeout (struct net_device *dev)
                    dev->name, inb(ioaddr + TX_STATUS), inw(ioaddr + EL3_STATUS),
                    inw(ioaddr + TX_FREE));
         dev->stats.tx_errors++;
-        dev->trans_start = jiffies;
+        dev->trans_start = jiffies; /* prevent tx timeout */
         /* Issue TX_RESET and TX_START commands. */
         outw(TxReset, ioaddr + EL3_CMD);
         outw(TxEnable, ioaddr + EL3_CMD);
@@ -868,7 +868,6 @@ el3_start_xmit(struct sk_buff *skb, struct net_device *dev)
         /* ... and the packet rounded to a doubleword. */
         outsl(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2);
 
-        dev->trans_start = jiffies;
         if (inw(ioaddr + TX_FREE) > 1536)
                 netif_start_queue(dev);
         else