netdev - [PATCH 1/4] stmmac: remove two useless initialisation

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Message-Id: <1337754964-21754-1-git-send-email-peppe.cavallaro@st.com>
Date:	Wed, 23 May 2012 08:36:01 +0200
From:	Giuseppe CAVALLARO <peppe.cavallaro@...com>
To:	netdev@...r.kernel.org
Cc:	Giuseppe Cavallaro <peppe.cavallaro@...com>
Subject: [PATCH 1/4] stmmac: remove two useless initialisation

This patch removes two useful initialisation in the
stmmac_rx and stmmac_tx function.
In the former, count var was already reset and in the
stmmac_tx we only need to increment the dirty pointer
w/o setting the entry var.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@...com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 7096633..0caae72 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -677,7 +677,7 @@ static void stmmac_tx(struct stmmac_priv *priv)
 
 		priv->hw->desc->release_tx_desc(p);
 
-		entry = (++priv->dirty_tx) % txsize;
+		priv->dirty_tx++;
 	}
 	if (unlikely(netif_queue_stopped(priv->dev) &&
 		     stmmac_tx_avail(priv) > STMMAC_TX_THRESH(priv))) {
@@ -1307,7 +1307,6 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit)
 		display_ring(priv->dma_rx, rxsize);
 	}
 #endif
-	count = 0;
 	while (!priv->hw->desc->get_rx_owner(p)) {
 		int status;
 
-- 
1.7.4.4

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