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, 1 insertions, 2 deletions

diff --git a/drivers/net/declance.c b/drivers/net/declance.c
index fb3f0984c289..74abe195212c 100644
--- a/drivers/net/declance.c
+++ b/drivers/net/declance.c
@@ -874,7 +874,7 @@ static inline int lance_reset(struct net_device *dev)
 
         lance_init_ring(dev);
         load_csrs(lp);
-        dev->trans_start = jiffies;
+        dev->trans_start = jiffies; /* prevent tx timeout */
         status = init_restart_lance(lp);
         return status;
 }
@@ -930,7 +930,6 @@ static int lance_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
         spin_unlock_irqrestore(&lp->lock, flags);
 
-        dev->trans_start = jiffies;
         dev_kfree_skb(skb);
 
         return NETDEV_TX_OK;