diff --git a/drivers/net/ps3_gelic_net.c b/drivers/net/ps3_gelic_net.c
index e365efb..2eb54fd 100644
--- a/drivers/net/ps3_gelic_net.c
+++ b/drivers/net/ps3_gelic_net.c
@@ -110,7 +110,7 @@
 void gelic_card_up(struct gelic_card *card)
 {
 	pr_debug("%s: called\n", __func__);
-	down(&card->updown_lock);
+	mutex_lock(&card->updown_lock);
 	if (atomic_inc_return(&card->users) == 1) {
 		pr_debug("%s: real do\n", __func__);
 		/* enable irq */
@@ -120,7 +120,7 @@
 
 		napi_enable(&card->napi);
 	}
-	up(&card->updown_lock);
+	mutex_unlock(&card->updown_lock);
 	pr_debug("%s: done\n", __func__);
 }
 
@@ -128,7 +128,7 @@
 {
 	u64 mask;
 	pr_debug("%s: called\n", __func__);
-	down(&card->updown_lock);
+	mutex_lock(&card->updown_lock);
 	if (atomic_dec_if_positive(&card->users) == 0) {
 		pr_debug("%s: real do\n", __func__);
 		napi_disable(&card->napi);
@@ -146,7 +146,7 @@
 		/* stop tx */
 		gelic_card_disable_txdmac(card);
 	}
-	up(&card->updown_lock);
+	mutex_unlock(&card->updown_lock);
 	pr_debug("%s: done\n", __func__);
 }
 
@@ -1534,7 +1534,7 @@
 	INIT_WORK(&card->tx_timeout_task, gelic_net_tx_timeout_task);
 	init_waitqueue_head(&card->waitq);
 	atomic_set(&card->tx_timeout_task_counter, 0);
-	init_MUTEX(&card->updown_lock);
+	mutex_init(&card->updown_lock);
 	atomic_set(&card->users, 0);
 
 	return card;
diff --git a/drivers/net/ps3_gelic_net.h b/drivers/net/ps3_gelic_net.h
index 520f143..8b41386 100644
--- a/drivers/net/ps3_gelic_net.h
+++ b/drivers/net/ps3_gelic_net.h
@@ -298,7 +298,7 @@
 	wait_queue_head_t waitq;
 
 	/* only first user should up the card */
-	struct semaphore updown_lock;
+	struct mutex updown_lock;
 	atomic_t users;
 
 	u64 ether_port_status;