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stmmac: set dirty index out of the loop 

The dirty index can be updated out of the loop where all the
tx resources are claimed. This will help on performances too.
Also a useless debug printk has been removed from the main loop.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Giuseppe Cavallaro 2016-02-29 14:27:37 +01:00 committed by David S. Miller
parent c363b6586c
commit fbc80823a9
1 changed files with 1 additions and 4 deletions
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5
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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@ -1340,9 +1340,6 @@ static void stmmac_tx_clean(struct stmmac_priv *priv)
}
stmmac_get_tx_hwtstamp(priv, entry, skb);
}
if (netif_msg_tx_done(priv))
pr_debug("%s: curr %d, dirty %d\n", __func__,
priv->cur_tx, priv->dirty_tx);
if (likely(priv->tx_skbuff_dma[entry].buf)) {
if (priv->tx_skbuff_dma[entry].map_as_page)
@ -1372,8 +1369,8 @@ static void stmmac_tx_clean(struct stmmac_priv *priv)
priv->hw->desc->release_tx_desc(p, priv->mode);
entry = STMMAC_GET_ENTRY(entry, DMA_TX_SIZE);
priv->dirty_tx = entry;
}
priv->dirty_tx = entry;
netdev_completed_queue(priv->dev, pkts_compl, bytes_compl);