ps3: gelic: scan_lock semaphore to mutex

Signed-off-by: Daniel Walker <[e-mail]>
Acked-by: Masakazu Mokuno <[e-mail]>
Signed-off-by: John W. Linville <[e-mail]>

drivers/net/ps3_gelic_wireless.c

···
 	unsigned long this_time = jiffies;
 
 	pr_debug("%s: <-\n", __func__);
-	if (down_interruptible(&wl->scan_lock))
+	if (mutex_lock_interruptible(&wl->scan_lock))
 		return -EAGAIN;
 
 	switch (wl->scan_stat) {
···
 	wrqu->data.length = ev - extra;
 	wrqu->data.flags = 0;
 out:
-	up(&wl->scan_lock);
+	mutex_unlock(&wl->scan_lock);
 	pr_debug("%s: -> %d %d\n", __func__, ret, wrqu->data.length);
 	return ret;
 }
···
 	int ret = 0;
 
 	pr_debug("%s: <- always=%d\n", __func__, always_scan);
-	if (down_interruptible(&wl->scan_lock))
+	if (mutex_lock_interruptible(&wl->scan_lock))
 		return -ERESTARTSYS;
 
 	/*
···
 	}
 	kfree(cmd);
 out:
-	up(&wl->scan_lock);
+	mutex_unlock(&wl->scan_lock);
 	pr_debug("%s: ->\n", __func__);
 	return ret;
 }
···
 	DECLARE_MAC_BUF(mac);
 
 	pr_debug("%s:start\n", __func__);
-	down(&wl->scan_lock);
+	mutex_lock(&wl->scan_lock);
 
 	if (wl->scan_stat != GELIC_WL_SCAN_STAT_SCANNING) {
 		/*
···
 			    NULL);
 out:
 	complete(&wl->scan_done);
-	up(&wl->scan_lock);
+	mutex_unlock(&wl->scan_lock);
 	pr_debug("%s:end\n", __func__);
 }
 
···
 	wait_for_completion(&wl->scan_done);
 
 	pr_debug("%s: scan done\n", __func__);
-	down(&wl->scan_lock);
+	mutex_lock(&wl->scan_lock);
 	if (wl->scan_stat != GELIC_WL_SCAN_STAT_GOT_LIST) {
 		gelic_wl_send_iwap_event(wl, NULL);
 		pr_info("%s: no scan list. association failed\n", __func__);
···
 	if (ret)
 		pr_info("%s: association failed %d\n", __func__, ret);
 scan_lock_out:
-	up(&wl->scan_lock);
+	mutex_unlock(&wl->scan_lock);
 out:
 	up(&wl->assoc_stat_lock);
 }
···
 
 	INIT_DELAYED_WORK(&wl->event_work, gelic_wl_event_worker);
 	INIT_DELAYED_WORK(&wl->assoc_work, gelic_wl_assoc_worker);
-	init_MUTEX(&wl->scan_lock);
+	mutex_init(&wl->scan_lock);
 	init_MUTEX(&wl->assoc_stat_lock);
 
 	init_completion(&wl->scan_done);

drivers/net/ps3_gelic_wireless.h

···
 #define GELIC_WEP_KEYS 4
 struct gelic_wl_info {
 	/* bss list */
-	struct semaphore scan_lock;
+	struct mutex scan_lock;
 	struct list_head network_list;
 	struct list_head network_free_list;
 	struct gelic_wl_scan_info *networks;