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/wireless/atmel.c b/drivers/net/wireless/atmel.c
index 3edbbcf0f548..c8f7090b27d3 100644
--- a/drivers/net/wireless/atmel.c
+++ b/drivers/net/wireless/atmel.c
@@ -865,7 +865,6 @@ static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev)
 
         /* low bit of first byte of destination tells us if broadcast */
         tx_update_descriptor(priv, *(skb->data) & 0x01, len + 18, buff, TX_PACKET_TYPE_DATA);
-        dev->trans_start = jiffies;
         dev->stats.tx_bytes += len;
 
         spin_unlock_irqrestore(&priv->irqlock, flags);