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/davinci_emac.c b/drivers/net/davinci_emac.c
index 1f9df5c6a75a..08e82b1a0b33 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -1468,7 +1468,6 @@ static int emac_dev_xmit(struct sk_buff *skb, struct net_device *ndev)
         tx_buf.length = skb->len;
         tx_buf.buf_token = (void *)skb;
         tx_buf.data_ptr = skb->data;
-        ndev->trans_start = jiffies;
         ret_code = emac_send(priv, &tx_packet, EMAC_DEF_TX_CH);
         if (unlikely(ret_code != 0)) {
                 if (ret_code == EMAC_ERR_TX_OUT_OF_BD) {