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/tlan.c b/drivers/net/tlan.c
index 8ffec22b74bf..ccee3eddc5f4 100644
--- a/drivers/net/tlan.c
+++ b/drivers/net/tlan.c
@@ -1034,7 +1034,7 @@ static void TLan_tx_timeout(struct net_device *dev)
         TLan_ResetLists( dev );
         TLan_ReadAndClearStats( dev, TLAN_IGNORE );
         TLan_ResetAdapter( dev );
-        dev->trans_start = jiffies;
+        dev->trans_start = jiffies; /* prevent tx timeout */
         netif_wake_queue( dev );
 
 }
@@ -1147,7 +1147,6 @@ static netdev_tx_t TLan_StartTx( struct sk_buff *skb, struct net_device *dev )
 
         CIRC_INC( priv->txTail, TLAN_NUM_TX_LISTS );
 
-        dev->trans_start = jiffies;
         return NETDEV_TX_OK;
 
 } /* TLan_StartTx */