diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
index 057efbc..3800bc0 100644
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -47,7 +47,8 @@
 #include <linux/bitops.h>
 #include <linux/wait.h>
 #include <linux/jiffies.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
+
 #include <asm/io.h>
 #include <asm/uaccess.h>
 #include <asm/atomic.h>
@@ -2435,7 +2436,7 @@
 
 	set_bit(ATM_VF_ADDR, &vcc->flags);
 
-	down(&card->mutex);
+	mutex_lock(&card->mutex);
 
 	OPRINTK("%s: opening vpi.vci: %d.%d\n", card->name, vpi, vci);
 
@@ -2446,7 +2447,7 @@
 		break;
 	default:
 		printk("%s: Unsupported AAL: %d\n", card->name, vcc->qos.aal);
-		up(&card->mutex);
+		mutex_unlock(&card->mutex);
 		return -EPROTONOSUPPORT;
 	}
 
@@ -2455,7 +2456,7 @@
 		card->vcs[index] = kzalloc(sizeof(struct vc_map), GFP_KERNEL);
 		if (!card->vcs[index]) {
 			printk("%s: can't alloc vc in open()\n", card->name);
-			up(&card->mutex);
+			mutex_unlock(&card->mutex);
 			return -ENOMEM;
 		}
 		card->vcs[index]->card = card;
@@ -2484,14 +2485,14 @@
 	if (inuse) {
 		printk("%s: %s vci already in use.\n", card->name,
 		       inuse == 1 ? "tx" : inuse == 2 ? "rx" : "tx and rx");
-		up(&card->mutex);
+		mutex_unlock(&card->mutex);
 		return -EADDRINUSE;
 	}
 
 	if (vcc->qos.txtp.traffic_class != ATM_NONE) {
 		error = idt77252_init_tx(card, vc, vcc, &vcc->qos);
 		if (error) {
-			up(&card->mutex);
+			mutex_unlock(&card->mutex);
 			return error;
 		}
 	}
@@ -2499,14 +2500,14 @@
 	if (vcc->qos.rxtp.traffic_class != ATM_NONE) {
 		error = idt77252_init_rx(card, vc, vcc, &vcc->qos);
 		if (error) {
-			up(&card->mutex);
+			mutex_unlock(&card->mutex);
 			return error;
 		}
 	}
 
 	set_bit(ATM_VF_READY, &vcc->flags);
 
-	up(&card->mutex);
+	mutex_unlock(&card->mutex);
 	return 0;
 }
 
@@ -2520,7 +2521,7 @@
 	unsigned long addr;
 	unsigned long timeout;
 
-	down(&card->mutex);
+	mutex_lock(&card->mutex);
 
 	IPRINTK("%s: idt77252_close: vc = %d (%d.%d)\n",
 		card->name, vc->index, vcc->vpi, vcc->vci);
@@ -2591,7 +2592,7 @@
 		free_scq(card, vc->scq);
 	}
 
-	up(&card->mutex);
+	mutex_unlock(&card->mutex);
 }
 
 static int
@@ -2602,7 +2603,7 @@
 	struct vc_map *vc = vcc->dev_data;
 	int error = 0;
 
-	down(&card->mutex);
+	mutex_lock(&card->mutex);
 
 	if (qos->txtp.traffic_class != ATM_NONE) {
 	    	if (!test_bit(VCF_TX, &vc->flags)) {
@@ -2648,7 +2649,7 @@
 	set_bit(ATM_VF_HASQOS, &vcc->flags);
 
 out:
-	up(&card->mutex);
+	mutex_unlock(&card->mutex);
 	return error;
 }
 
@@ -3709,7 +3710,7 @@
 	membase = pci_resource_start(pcidev, 1);
 	srambase = pci_resource_start(pcidev, 2);
 
-	init_MUTEX(&card->mutex);
+	mutex_init(&card->mutex);
 	spin_lock_init(&card->cmd_lock);
 	spin_lock_init(&card->tst_lock);