+#ifdef CONFIG_PM
+
+static int tifm_device_suspend(struct device *dev, pm_message_t state)
+{
+ struct tifm_dev *fm_dev = container_of(dev, struct tifm_dev, dev);
+ struct tifm_driver *drv = fm_dev->drv;
+
+ if (drv && drv->suspend)
+ return drv->suspend(fm_dev, state);
+ return 0;
+}
+
+static int tifm_device_resume(struct device *dev)
+{
+ struct tifm_dev *fm_dev = container_of(dev, struct tifm_dev, dev);
+ struct tifm_driver *drv = fm_dev->drv;
+
+ if (drv && drv->resume)
+ return drv->resume(fm_dev);
+ return 0;
+}
+
+#else
+
+#define tifm_device_suspend NULL
+#define tifm_device_resume NULL
+
+#endif /* CONFIG_PM */
+