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Message-ID: <20060929231511.GI6433@austin.ibm.com>
Date: Fri, 29 Sep 2006 18:15:11 -0500
From: linas@...tin.ibm.com (Linas Vepstas)
To: jeff@...zik.org, akpm@...l.org
Cc: netdev@...r.kernel.org, James K Lewis <jklewis@...ibm.com>,
linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
linuxppc-dev@...abs.org
Subject: [PATCH 1/6]: powerpc/cell spidernet burst alignment patch.
This patch increases the Burst Address alignment from 64 to 1024 in the
Spidernet driver. This improves transmit performance for large packets.
From: James K Lewis <jklewis@...ibm.com>
Signed-off-by: James K Lewis <jklewis@...ibm.com>
Signed-off-by: Linas Vepstas <linas@...tin.ibm.com>
Cc: Arnd Bergmann <arnd@...db.de>
----
drivers/net/spider_net.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6.18-mm2/drivers/net/spider_net.h
===================================================================
--- linux-2.6.18-mm2.orig/drivers/net/spider_net.h 2006-09-29 14:11:21.000000000 -0500
+++ linux-2.6.18-mm2/drivers/net/spider_net.h 2006-09-29 16:33:49.000000000 -0500
@@ -209,7 +209,7 @@ extern char spider_net_driver_name[];
#define SPIDER_NET_DMA_RX_FEND_VALUE 0x00030003
/* to set TX_DMA_EN */
#define SPIDER_NET_TX_DMA_EN 0x80000000
-#define SPIDER_NET_GDTDCEIDIS 0x00000002
+#define SPIDER_NET_GDTDCEIDIS 0x00000302
#define SPIDER_NET_DMA_TX_VALUE SPIDER_NET_TX_DMA_EN | \
SPIDER_NET_GDTDCEIDIS
#define SPIDER_NET_DMA_TX_FEND_VALUE 0x00030003
-
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