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>
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David S. Miller

parent
2b0b05ddc0
commit
1ae5dc342a
@@ -987,8 +987,6 @@ static netdev_tx_t sc92031_start_xmit(struct sk_buff *skb,
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iowrite32(tx_status, port_base + TxStatus0 + entry * 4);
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mmiowb();
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dev->trans_start = jiffies;
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if (priv->tx_head - priv->tx_tail >= NUM_TX_DESC)
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netif_stop_queue(dev);
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