From: Helmut Schaa <helmut.schaa@googlemail.com>
Date: Mon, 27 Dec 2010 14:07:16 +0000 (+0100)
Subject: rt2x00: Remove unused interface spinlock
X-Git-Url: http://git.mmlx.us/?a=commitdiff_plain;h=48103d25c4ca00a1d0692895f9aa68fcac6bc6af;p=linux-edison.git

rt2x00: Remove unused interface spinlock

Since the last user of intf->lock is gone we can safely remove it.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index b3f77d4f37f..84aaf393da4 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -358,12 +358,6 @@ enum rt2x00_delayed_flags {
  */
 struct rt2x00_intf {
 	/*
-	 * All fields within the rt2x00_intf structure
-	 * must be protected with a spinlock.
-	 */
-	spinlock_t lock;
-
-	/*
 	 * beacon->skb must be protected with the mutex.
 	 */
 	struct mutex beacon_skb_mutex;
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 297d972c229..b5dad0427a9 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -268,7 +268,6 @@ int rt2x00mac_add_interface(struct ieee80211_hw *hw,
 	else
 		rt2x00dev->intf_sta_count++;
 
-	spin_lock_init(&intf->lock);
 	spin_lock_init(&intf->seqlock);
 	mutex_init(&intf->beacon_skb_mutex);
 	intf->beacon = entry;