tifm_core: add suspend/resume infrastructure for tifm devices

Signed-off-by: Alex Dubov <oakad@yahoo.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/include/linux/tifm.h b/include/linux/tifm.h
index e5a8295..3deb0a6 100644
--- a/include/linux/tifm.h
+++ b/include/linux/tifm.h
@@ -101,6 +101,9 @@
 	tifm_media_id        *id_table;
 	int                  (*probe)(struct tifm_dev *dev);
 	void                 (*remove)(struct tifm_dev *dev);
+	int                  (*suspend)(struct tifm_dev *dev,
+                                        pm_message_t state);
+	int                  (*resume)(struct tifm_dev *dev);
 
 	struct device_driver driver;
 };