From 2ca2cb6c376e4207f09718e48c89c1b85bd936c8 Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Thu, 22 Dec 2011 05:43:53 +0000
Subject: ar71xx: set a reserved bit that resets to 1 when writing the address
 table control register on the ar7240 switch (should fix #10547)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29598 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'target')

diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c
index 60ee60b7d..491127d05 100644
--- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c
+++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c
@@ -66,6 +66,7 @@
 #define AR7240_AT_CTRL_AGE_TIME		BITS(0, 15)
 #define AR7240_AT_CTRL_AGE_EN		BIT(17)
 #define AR7240_AT_CTRL_LEARN_CHANGE	BIT(18)
+#define AR7240_AT_CTRL_RESERVED		BIT(19)
 #define AR7240_AT_CTRL_ARP_EN		BIT(20)
 
 #define AR7240_REG_TAG_PRIORITY		0x70
@@ -470,6 +471,7 @@ static void ar7240sw_setup(struct ar7240sw *as)
 
 	/* Enable ARP frame acknowledge, aging, MAC replacing */
 	ar7240sw_reg_write(mii, AR7240_REG_AT_CTRL,
+		AR7240_AT_CTRL_RESERVED |
 		0x2b /* 5 min age time */ |
 		AR7240_AT_CTRL_AGE_EN |
 		AR7240_AT_CTRL_ARP_EN |
-- 
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