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/ni65.c b/drivers/net/ni65.c
index 9225c76..da228a0 100644
--- a/drivers/net/ni65.c
+++ b/drivers/net/ni65.c
@@ -784,7 +784,7 @@
if(!p->lock)
if (p->tmdnum || !p->xmit_queued)
netif_wake_queue(dev);
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
}
else
writedatareg(CSR0_STRT | csr0);
@@ -1150,7 +1150,7 @@
printk("%02x ",p->tmdhead[i].u.s.status);
printk("\n");
ni65_lance_reinit(dev);
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue(dev);
}
@@ -1213,7 +1213,6 @@
netif_wake_queue(dev);
p->lock = 0;
- dev->trans_start = jiffies;
spin_unlock_irqrestore(&p->ring_lock, flags);
}