From: Rob Herring <robherring2@gmail.com>
To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>,
Rob Herring <rob.herring@calxeda.com>
Subject: [PATCH 3/4] net: calxedaxgmac: set outstanding AXI bus transactions to 8
Date: Mon, 9 Jul 2012 19:16:09 -0500 [thread overview]
Message-ID: <1341879370-23385-4-git-send-email-robherring2@gmail.com> (raw)
In-Reply-To: <1341879370-23385-1-git-send-email-robherring2@gmail.com>
From: Rob Herring <rob.herring@calxeda.com>
Increase the number of outstanding read and write AXI transactions from 1
to 8 for better performance.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
---
drivers/net/ethernet/calxeda/xgmac.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c
index 3ca1d79..abb8f40 100644
--- a/drivers/net/ethernet/calxeda/xgmac.c
+++ b/drivers/net/ethernet/calxeda/xgmac.c
@@ -970,7 +970,7 @@ static int xgmac_hw_init(struct net_device *dev)
writel(DMA_INTR_DEFAULT_MASK, ioaddr + XGMAC_DMA_INTR_ENA);
/* XGMAC requires AXI bus init. This is a 'magic number' for now */
- writel(0x000100E, ioaddr + XGMAC_DMA_AXI_BUS);
+ writel(0x0077000E, ioaddr + XGMAC_DMA_AXI_BUS);
ctrl |= XGMAC_CONTROL_DDIC | XGMAC_CONTROL_JE | XGMAC_CONTROL_ACS |
XGMAC_CONTROL_CAR;
--
1.7.9.5
next prev parent reply other threads:[~2012-07-10 0:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-10 0:16 [PATCH 0/4] Calxeda xgmac fixes and performance improvements Rob Herring
2012-07-10 0:16 ` [PATCH 1/4] net: calxedaxgmac: fix net timeout recovery Rob Herring
2012-07-10 0:16 ` [PATCH 2/4] net: calxedaxgmac: fix hang on rx refill Rob Herring
2012-07-10 0:16 ` Rob Herring [this message]
2012-07-10 0:16 ` [PATCH 4/4] net: calxedaxgmac: enable rx cut-thru mode Rob Herring
2012-07-11 6:27 ` [PATCH 0/4] Calxeda xgmac fixes and performance improvements David Miller
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