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/fec.c b/drivers/net/fec.c
index 2b1651aee13f..47da51957803 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -275,8 +275,6 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev)
                         | BD_ENET_TX_LAST | BD_ENET_TX_TC);
         bdp->cbd_sc = status;
 
-        dev->trans_start = jiffies;
-
         /* Trigger transmission start */
         writel(0, fep->hwp + FEC_X_DES_ACTIVE);