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/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c
index d8f02930375..a746ba272f0 100644
--- a/drivers/net/arcnet/arcnet.c
+++ b/drivers/net/arcnet/arcnet.c
@@ -654,7 +654,6 @@ netdev_tx_t arcnet_send_packet(struct sk_buff *skb,
                         }
                 }
                 retval = NETDEV_TX_OK;
-                dev->trans_start = jiffies;
                 lp->next_tx = txbuf;
         } else {
                 retval = NETDEV_TX_BUSY;