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, 1 deletions

diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
index bdfff784645c..3c58db595285 100644
--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -579,7 +579,6 @@ static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
         }
 
         spin_lock(&priv->lock);
-        dev->trans_start = jiffies;
         spin_unlock(&priv->lock);
         desc->dataflags = CPMAC_SOP | CPMAC_EOP | CPMAC_OWN;
         desc->skb = skb;