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/dm9000.c b/drivers/net/dm9000.c
index a818ea9..254b6f7 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -769,7 +769,7 @@
}
/*
- * Initilize dm9000 board
+ * Initialize dm9000 board
*/
static void
dm9000_init_dm9000(struct net_device *dev)
@@ -825,7 +825,7 @@
/* Init Driver variable */
db->tx_pkt_cnt = 0;
db->queue_pkt_len = 0;
- dev->trans_start = 0;
+ dev->trans_start = jiffies;
}
/* Our watchdog timed out. Called by the networking layer */
@@ -843,7 +843,7 @@
dm9000_reset(db);
dm9000_init_dm9000(dev);
/* We can accept TX packets again */
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue(dev);
/* Restore previous register address */