ipack: add ipack_get_device() ipack_put_device()

Prepare everything for later use.

Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/include/linux/ipack.h b/include/linux/ipack.h
index fea12cb..def91fd 100644
--- a/include/linux/ipack.h
+++ b/include/linux/ipack.h
@@ -221,6 +221,9 @@
 int ipack_device_register(struct ipack_device *dev);
 void ipack_device_unregister(struct ipack_device *dev);
 
+void ipack_get_device(struct ipack_device *dev);
+void ipack_put_device(struct ipack_device *dev);
+
 /**
  * DEFINE_IPACK_DEVICE_TABLE - macro used to describe a IndustryPack table
  * @_table: device table name