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/wan/hd64572.c b/drivers/net/wan/hd64572.c
index aad9ed45c254..ea476cbd38b5 100644
--- a/drivers/net/wan/hd64572.c
+++ b/drivers/net/wan/hd64572.c
@@ -585,7 +585,6 @@ static netdev_tx_t sca_xmit(struct sk_buff *skb, struct net_device *dev)
 
         writew(len, &desc->len);
         writeb(ST_TX_EOM, &desc->stat);
-        dev->trans_start = jiffies;
 
         port->txin = (port->txin + 1) % card->tx_ring_buffers;
         sca_outl(desc_offset(port, port->txin, 1),