[PATCH] Extend device_platform_driver macro

[Alexander Shiyan]

This patch extends device_platform_driver macro, so now we allow
use it with various init levels and subsystems.

Signed-off-by: Alexander Shiyan <shc_work at mail.ru>
---
 include/driver.h | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/include/driver.h b/include/driver.h
index 46c56c0..b891f80 100644
--- a/include/driver.h
+++ b/include/driver.h
@@ -395,16 +395,19 @@ extern struct bus_type platform_bus;
 
 int platform_driver_register(struct driver_d *drv);
 
-/* device_platform_driver() - Helper macro for drivers that don't do
+/* register_driver_macro() - Helper macro for drivers that don't do
  * anything special in module registration. This eliminates a lot of
  * boilerplate. Each module may only use this macro once.
  */
-#define device_platform_driver(drv)			\
-	static int __init drv ## _register(void)	\
-	{						\
-		return platform_driver_register(&drv);	\
-	}						\
-	device_initcall(drv ## _register)
+#define register_driver_macro(level,subsystem,drv)		\
+	static int __init drv##_register(void)			\
+	{							\
+		return subsystem##_driver_register(&drv);	\
+	}							\
+	level##_initcall(drv##_register)
+
+#define device_platform_driver(drv)	\
+	register_driver_macro(device,platform,drv)
 
 int platform_device_register(struct device_d *new_device);
 
-- 
1.7.12.4