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>
diff --git a/drivers/net/7990.c b/drivers/net/7990.c
index f09e594..561d3d5 100644
--- a/drivers/net/7990.c
+++ b/drivers/net/7990.c
@@ -262,7 +262,7 @@
load_csrs (lp);
lance_init_ring (dev);
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
status = init_restart_lance (lp);
#ifdef DEBUG_DRIVER
printk ("Lance restart=%d\n", status);
@@ -526,7 +526,7 @@
{
printk("lance_tx_timeout\n");
lance_reset(dev);
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue (dev);
}
EXPORT_SYMBOL_GPL(lance_tx_timeout);
@@ -574,7 +574,6 @@
outs++;
/* Kick the lance: transmit now */
WRITERDP(lp, LE_C0_INEA | LE_C0_TDMD);
- dev->trans_start = jiffies;
dev_kfree_skb (skb);
spin_lock_irqsave (&lp->devlock, flags);