stmmac: set dirty index out of the loop
authorGiuseppe Cavallaro <peppe.cavallaro@st.com>
Mon, 29 Feb 2016 13:27:37 +0000 (14:27 +0100)
committerDavid S. Miller <davem@davemloft.net>
Wed, 2 Mar 2016 19:21:32 +0000 (14:21 -0500)
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>
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

index d31179f597a8875bbfdcd0b0f3715213e857dabe..2e4c10ab78bd1e370b2e51f5c7f13d2f89356147 100644 (file)
@@ -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);