- va_list args;
- struct simple_dev *s_dev = NULL;
- int retval;
-
- if ((cs == NULL) || (IS_ERR(cs))) {
- retval = -ENODEV;
- goto error;
- }
-
- s_dev = kmalloc(sizeof(*s_dev), GFP_KERNEL);
- if (!s_dev) {
- retval = -ENOMEM;
- goto error;
- }
- memset(s_dev, 0x00, sizeof(*s_dev));
-
- s_dev->dev = dev;
- s_dev->class_dev.dev = device;
- s_dev->class_dev.class = &cs->class;
-
- va_start(args, fmt);
- vsnprintf(s_dev->class_dev.class_id, BUS_ID_SIZE, fmt, args);
- va_end(args);
- retval = class_device_register(&s_dev->class_dev);
- if (retval)
- goto error;
-
- class_device_create_file(&s_dev->class_dev, &cs->attr);
-
- spin_lock(&simple_dev_list_lock);
- list_add(&s_dev->node, &simple_dev_list);
- spin_unlock(&simple_dev_list_lock);
-
- return &s_dev->class_dev;
-
- error:
- kfree(s_dev);
- return ERR_PTR(retval);
+ struct class_device *class_dev;
+ int i;
+
+ class_dev = class_device_create(cs, NULL,
+ MKDEV(DRM_MAJOR, head->minor),
+ &(head->dev->pdev)->dev,
+ "card%d", head->minor);
+ if (!class_dev)
+ return NULL;
+
+ class_set_devdata(class_dev, head);
+
+ for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++)
+ class_device_create_file(class_dev, &class_device_attrs[i]);
+ return class_dev;