netdev - [PATCH (net-next.git) 11/18] stmmac: set dirty index out of the loop

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Date:	Mon, 4 Jan 2016 14:06:56 +0100
From:	Giuseppe Cavallaro <peppe.cavallaro@...com>
To:	<netdev@...r.kernel.org>
CC:	<alexandre.torgue@...com>,
	Giuseppe Cavallaro <peppe.cavallaro@...com>
Subject: [PATCH (net-next.git) 11/18] 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@...com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 230ded2..daa732f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1357,9 +1357,6 @@ 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)
@@ -1390,8 +1387,8 @@ static void stmmac_tx_clean(struct stmmac_priv *priv)
 
 		if (++entry >= txsize)
 			entry = 0;
-		priv->dirty_tx = entry;
 	}
+	priv->dirty_tx = entry;
 
 	netdev_completed_queue(priv->dev, pkts_compl, bytes_compl);
 
-- 
1.7.4.4

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