--- cpint-2.5.3/cpint.c
+++ cpint-2.5.3/cpint.c
@@ -131,7 +131,7 @@
 
 CPInt_Dev *cpint_devices;
 
-static struct class_simple *cpint_class;
+static struct class *cpint_class;
 
 /*----------------------------------------------------------*/
 /* The different file operations                            */
@@ -309,7 +309,7 @@
     /*------------------------------------------------------*/
 	/* Register this device class                           */
     /*------------------------------------------------------*/
-	cpint_class = class_simple_create(THIS_MODULE, "cpint");
+	cpint_class = class_create(THIS_MODULE, "cpint");
 	if (IS_ERR(cpint_class)) {
 		printk(KERN_ERR "Error creating cpint class.\n");
 		kfree(cpint_devices);
@@ -325,7 +325,7 @@
 
 		fopIdx = fopMap[i_dev];
 		if (fopIdx > -1 && !(cpint_devs_map & (1 << fopIdx))) {
-			class_simple_device_add(cpint_class,
+			class_device_create(cpint_class, NULL,
 						MKDEV(cpint_major, i_dev), NULL,
 						cpNames[fopIdx]);
 			cpint_devs_map |= 1 << fopIdx;
@@ -386,11 +386,11 @@
 
 		fopIdx = fopMap[i_dev];
 		if (fopIdx > -1 && (cpint_devs_map & (1 << fopIdx))) {
-			class_simple_device_remove(MKDEV(cpint_major, i_dev));
+			class_device_destroy(cpint_class, MKDEV(cpint_major, i_dev));
 		}
 	}
 	cpint_devs_map = 0;
-	class_simple_destroy(cpint_class);
+	class_destroy(cpint_class);
 
 	unregister_chrdev(cpint_major, "cpint");
 	for (i_dev = 0; i_dev < CPINT_NR_DEVS; i_dev++) {