[PATCH v2 1/2] Introduce device_platform_driver() macro

[Alexander Shiyan]

device_platform_driver() - Helper macro for drivers that don't do
anything special in module registration. This eliminates a lot of
boilerplate. Driver registration will called on device_initcall.

Signed-off-by: Alexander Shiyan <shc_work at mail.ru>
---
 include/driver.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/driver.h b/include/driver.h
index 31f5d69..151829e 100644
--- a/include/driver.h
+++ b/include/driver.h
@@ -390,6 +390,18 @@ extern struct list_head bus_list;
 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
+ * 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)
+
 int platform_device_register(struct device_d *new_device);
 
 struct file_operations {
-- 
1.7.12.4