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/usb/hso.c b/drivers/net/usb/hso.c
index be0cc99e881a..a6227f892d1b 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -834,8 +834,6 @@ static netdev_tx_t hso_net_start_xmit(struct sk_buff *skb,
         } else {
                 net->stats.tx_packets++;
                 net->stats.tx_bytes += skb->len;
-                /* And tell the kernel when the last transmit started. */
-                net->trans_start = jiffies;
         }
         dev_kfree_skb(skb);
         /* we're done */