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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/atp.c
parent2b0b05ddc04b6d45e71cd36405df512075786f1e (diff)
downloadop-kernel-dev-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.zip
op-kernel-dev-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.tar.gz
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/atp.c')
-rw-r--r--drivers/net/atp.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/atp.c b/drivers/net/atp.c
index 2bd1a5c..75ff0c5 100644
--- a/drivers/net/atp.c
+++ b/drivers/net/atp.c
@@ -547,7 +547,7 @@ static void tx_timeout(struct net_device *dev)
dev->stats.tx_errors++;
/* Try to restart the adapter. */
hardware_init(dev);
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue(dev);
dev->stats.tx_errors++;
}
@@ -586,7 +586,6 @@ static netdev_tx_t atp_send_packet(struct sk_buff *skb,
write_reg(ioaddr, IMR, ISR_RxOK | ISR_TxErr | ISR_TxOK);
write_reg_high(ioaddr, IMR, ISRh_RxErr);
- dev->trans_start = jiffies;
dev_kfree_skb (skb);
return NETDEV_TX_OK;
}
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