From: Linas Vepstas <linas@austin.ibm.com>
Date: Tue, 10 Oct 2006 20:57:26 +0000 (-0500)
Subject: [PATCH] powerpc/cell spidernet burst alignment patch.
X-Git-Tag: firefly_0821_release~32079^2~25
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a02d601dd59d08a77563499cc05b48603df8f4a4;p=firefly-linux-kernel-4.4.55.git

[PATCH] 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@us.ibm.com>
Signed-off-by: James K Lewis <jklewis@us.ibm.com>
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h
index 6193ea836289..b2e3570c0106 100644
--- a/drivers/net/spider_net.h
+++ b/drivers/net/spider_net.h
@@ -211,7 +211,7 @@ 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