mei: bus: add module_mei_cl_driver helper macro

Add module_mei_cl_driver helper macro for eliminating the boilerplate
code from mei_cl drivers registration. The macro is intended for
drivers which in their init/exit sections does only register/unregister
of a mei_cl driver.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

include/linux/mei_cl_bus.h

@@ -74,6 +74,19 @@ int __mei_cldev_driver_register(struct mei_cl_driver *cldrv,
 
 void mei_cldev_driver_unregister(struct mei_cl_driver *cldrv);
 
+/**
+ * module_mei_cl_driver - Helper macro for registering mei cl driver
+ *
+ * @__mei_cldrv mei_cl_driver structure
+ *
+ *  Helper macro for mei cl drivers which do not do anything special in module
+ *  init/exit, for eliminating a boilerplate code.
+ */
+#define module_mei_cl_driver(__mei_cldrv) \
+	module_driver(__mei_cldrv, \
+		      mei_cldev_driver_register,\
+		      mei_cldev_driver_unregister)
+
 ssize_t mei_cldev_send(struct mei_cl_device *cldev, u8 *buf, size_t length);
 ssize_t  mei_cldev_recv(struct mei_cl_device *cldev, u8 *buf, size_t length);