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/r6040.c b/drivers/net/r6040.c
index 412291645596..3cc7befa3eb1 100644
--- a/drivers/net/r6040.c
+++ b/drivers/net/r6040.c
@@ -924,7 +924,6 @@ static netdev_tx_t r6040_start_xmit(struct sk_buff *skb,
         if (!lp->tx_free_desc)
                 netif_stop_queue(dev);
 
-        dev->trans_start = jiffies;
         spin_unlock_irqrestore(&lp->lock, flags);
 
         return NETDEV_TX_OK;