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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-05-10 05:01:31 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-05-10 05:01:31 -0700 |
| commit | 1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1 (patch) | |
| tree | d1955a7639e99832590df26466a34d5786a880ae /drivers/net/gianfar.c | |
| parent | 2b0b05ddc04b6d45e71cd36405df512075786f1e (diff) | |
| download | linux-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.tar.bz2 | |
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/gianfar.c')
| -rw-r--r-- | drivers/net/gianfar.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 5267c27e3174..11d8cae415e5 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -1738,7 +1738,7 @@ void gfar_start(struct net_device *dev) gfar_write(®s->imask, IMASK_DEFAULT); } - dev->trans_start = jiffies; + dev->trans_start = jiffies; /* prevent tx timeout */ } void gfar_configure_coalescing(struct gfar_private *priv, @@ -2161,8 +2161,6 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) /* reduce TxBD free count */ tx_queue->num_txbdfree -= (nr_txbds); - dev->trans_start = jiffies; - /* If the next BD still needs to be cleaned up, then the bds are full. We need to tell the kernel to stop sending us stuff. */ if (!tx_queue->num_txbdfree) { |