iwlwifi: move mutex out of shared

Now the mutex no longer needs to be
shared, so move it into iwl_priv.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 4def9f9..73acbab 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -36,6 +36,7 @@
 #include <linux/wait.h>
 #include <linux/leds.h>
 #include <linux/slab.h>
+#include <linux/mutex.h>
 #include <net/ieee80211_radiotap.h>
 
 #include "iwl-eeprom.h"
@@ -718,6 +719,7 @@
 	const struct iwl_fw *fw;
 
 	spinlock_t sta_lock;
+	struct mutex mutex;
 
 	/* ieee device used by generic ieee processing code */
 	struct ieee80211_hw *hw;