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/ariadne.c b/drivers/net/ariadne.c
index fa1a2354f5f9..705373a5308d 100644
--- a/drivers/net/ariadne.c
+++ b/drivers/net/ariadne.c
@@ -676,8 +676,6 @@ static netdev_tx_t ariadne_start_xmit(struct sk_buff *skb,
     lance->RAP = CSR0;          /* PCnet-ISA Controller Status */
     lance->RDP = INEA|TDMD;
 
-    dev->trans_start = jiffies;
-
     if (lowb(priv->tx_ring[(entry+1) % TX_RING_SIZE]->TMD1) != 0) {
         netif_stop_queue(dev);
         priv->tx_full = 1;