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, 2 insertions, 2 deletions

diff --git a/drivers/net/de600.c b/drivers/net/de600.c
index 6b13f4fd2e96..23a65398d011 100644
--- a/drivers/net/de600.c
+++ b/drivers/net/de600.c
@@ -166,8 +166,8 @@ static int de600_start_xmit(struct sk_buff *skb, struct net_device *dev)
         int     i;
 
         if (free_tx_pages <= 0) {       /* Do timeouts, to avoid hangs. */
-                tickssofar = jiffies - dev->trans_start;
-                if (tickssofar < 5)
+                tickssofar = jiffies - dev_trans_start(dev);
+                if (tickssofar < HZ/20)
                         return NETDEV_TX_BUSY;
                 /* else */
                 printk(KERN_WARNING "%s: transmit timed out (%d), %s?\n", dev->name, tickssofar, "network cable problem");