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, 0 insertions, 2 deletions

diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c
index b94c4cce93c2..22bde49262c0 100644
--- a/drivers/net/typhoon.c
+++ b/drivers/net/typhoon.c
@@ -881,8 +881,6 @@ typhoon_start_tx(struct sk_buff *skb, struct net_device *dev)
         wmb();
         iowrite32(txRing->lastWrite, tp->tx_ioaddr + txRing->writeRegister);
 
-        dev->trans_start = jiffies;
-
         /* If we don't have room to put the worst case packet on the
          * queue, then we must stop the queue. We need 2 extra
          * descriptors -- one to prevent ring wrap, and one for the