+static int tifm_device_probe(struct device *dev)
+{
+ struct tifm_dev *sock = container_of(dev, struct tifm_dev, dev);
+ struct tifm_driver *drv = container_of(dev->driver, struct tifm_driver,
+ driver);
+ int rc = -ENODEV;
+
+ get_device(dev);
+ if (dev->driver && drv->probe) {
+ rc = drv->probe(sock);
+ if (!rc)
+ return 0;
+ }
+ put_device(dev);
+ return rc;
+}
+
+static void tifm_dummy_event(struct tifm_dev *sock)
+{
+ return;
+}
+
+static int tifm_device_remove(struct device *dev)
+{
+ struct tifm_dev *sock = container_of(dev, struct tifm_dev, dev);
+ struct tifm_driver *drv = container_of(dev->driver, struct tifm_driver,
+ driver);
+
+ if (dev->driver && drv->remove) {
+ sock->card_event = tifm_dummy_event;
+ sock->data_event = tifm_dummy_event;
+ drv->remove(sock);
+ sock->dev.driver = NULL;
+ }
+
+ put_device(dev);
+ return 0;
+}
+
+#ifdef CONFIG_PM
+
+static int tifm_device_suspend(struct device *dev, pm_message_t state)
+{
+ struct tifm_dev *sock = container_of(dev, struct tifm_dev, dev);
+ struct tifm_driver *drv = container_of(dev->driver, struct tifm_driver,
+ driver);
+
+ if (dev->driver && drv->suspend)
+ return drv->suspend(sock, state);
+ return 0;
+}
+
+static int tifm_device_resume(struct device *dev)
+{
+ struct tifm_dev *sock = container_of(dev, struct tifm_dev, dev);
+ struct tifm_driver *drv = container_of(dev->driver, struct tifm_driver,
+ driver);
+
+ if (dev->driver && drv->resume)
+ return drv->resume(sock);
+ return 0;
+}
+
+#else
+
+#define tifm_device_suspend NULL
+#define tifm_device_resume NULL
+
+#endif /* CONFIG_PM */
+
+static ssize_t type_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct tifm_dev *sock = container_of(dev, struct tifm_dev, dev);
+ return sprintf(buf, "%x", sock->type);
+}
+
+static struct device_attribute tifm_dev_attrs[] = {
+ __ATTR(type, S_IRUGO, type_show, NULL),
+ __ATTR_NULL
+};
+