From 3e7b461431b83c9acda0922e204c1c3434c1eda3 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Wed, 15 Feb 2012 13:47:50 +0000
Subject: [PATCH] ramips: raeth: serialize ramips_link_adjust calls

SVN-Revision: 30549
---
 target/linux/ramips/files/drivers/net/ramips.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/target/linux/ramips/files/drivers/net/ramips.c b/target/linux/ramips/files/drivers/net/ramips.c
index 4a3f4c3b87..9f76779af4 100644
--- a/target/linux/ramips/files/drivers/net/ramips.c
+++ b/target/linux/ramips/files/drivers/net/ramips.c
@@ -407,22 +407,30 @@ ramips_phy_disconnect(struct raeth_priv *re)
 static void
 ramips_phy_start(struct raeth_priv *re)
 {
+	unsigned long flags;
+
 	if (re->phy_dev) {
 		phy_start(re->phy_dev);
 	} else {
+		spin_lock_irqsave(&re->phy_lock, flags);
 		re->link = 1;
 		ramips_link_adjust(re);
+		spin_unlock_irqrestore(&re->phy_lock, flags);
 	}
 }
 
 static void
 ramips_phy_stop(struct raeth_priv *re)
 {
+	unsigned long flags;
+
 	if (re->phy_dev) {
 		phy_stop(re->phy_dev);
 	} else {
+		spin_lock_irqsave(&re->phy_lock, flags);
 		re->link = 0;
 		ramips_link_adjust(re);
+		spin_unlock_irqrestore(&re->phy_lock, flags);
 	}
 }
 #else