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, 1 deletions

diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index 1e49fcfa28ab..66831f378396 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -1289,7 +1289,7 @@ static void smc911x_timeout(struct net_device *dev)
                 schedule_work(&lp->phy_configure);
 
         /* We can accept TX packets again */
-        dev->trans_start = jiffies;
+        dev->trans_start = jiffies; /* prevent tx timeout */
         netif_wake_queue(dev);
 }