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authorEric Dumazet <eric.dumazet@gmail.com>2010-05-10 05:01:31 -0700
committerDavid S. Miller <davem@davemloft.net>2010-05-10 05:01:31 -0700
commit1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1 (patch)
treed1955a7639e99832590df26466a34d5786a880ae /drivers/net/dm9000.c
parent2b0b05ddc04b6d45e71cd36405df512075786f1e (diff)
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>
Diffstat (limited to 'drivers/net/dm9000.c')
-rw-r--r--drivers/net/dm9000.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index a818ea998bbe..254b6f724c60 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -769,7 +769,7 @@ dm9000_hash_table(struct net_device *dev)
}
/*
- * Initilize dm9000 board
+ * Initialize dm9000 board
*/
static void
dm9000_init_dm9000(struct net_device *dev)
@@ -825,7 +825,7 @@ dm9000_init_dm9000(struct net_device *dev)
/* 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 @@ static void dm9000_timeout(struct net_device *dev)
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 */