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/pci-skeleton.c b/drivers/net/pci-skeleton.c
index dc3b4c7914fd..56f3fc45dbaa 100644
--- a/drivers/net/pci-skeleton.c
+++ b/drivers/net/pci-skeleton.c
@@ -1354,7 +1354,6 @@ static int netdrv_start_xmit(struct sk_buff *skb, struct net_device *dev)
         NETDRV_W32(TxStatus0 + (entry * sizeof(u32)),
                    tp->tx_flag | (skb->len >= ETH_ZLEN ? skb->len : ETH_ZLEN));
 
-        dev->trans_start = jiffies;
         atomic_inc(&tp->cur_tx);
         if ((atomic_read(&tp->cur_tx) - atomic_read(&tp->dirty_tx)) >= NUM_TX_DESC)
                 netif_stop_queue(dev);