From: Gabor Juhos <juhosg@openwrt.org>
Date: Sun, 11 Mar 2012 16:49:33 +0000 (+0000)
Subject: generic: ar8216: add lockep assertion to ar8216_rmw
X-Git-Tag: reboot~14591
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=dad19ac8b2034e31b1926f1a25a680f6ff8ba52d;p=openwrt%2Fstaging%2Fxback.git

generic: ar8216: add lockep assertion to ar8216_rmw

SVN-Revision: 30883
---

diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c
index 1521ea317a..c199ac178c 100644
--- a/target/linux/generic/files/drivers/net/phy/ar8216.c
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.c
@@ -29,6 +29,7 @@
 #include <linux/phy.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
+#include <linux/lockdep.h>
 #include "ar8216.h"
 
 /* size of the vlan table */
@@ -122,6 +123,8 @@ ar8216_rmw(struct ar8216_priv *priv, int reg, u32 mask, u32 val)
 {
 	u32 v;
 
+	lockdep_assert_held(&priv->reg_mutex);
+
 	v = priv->read(priv, reg);
 	v &= ~mask;
 	v |= val;