[SPARC/64]: Consolidate of_register_driver

Also of_unregister_driver.  These will be shortly also used by the
PowerPC code.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/of/platform.c

diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 864f09f..b47bb2d 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -12,6 +12,7 @@
  *
  */
 #include <linux/errno.h>
+#include <linux/module.h>
 #include <linux/device.h>
 #include <linux/of_device.h>
 #include <linux/of_platform.h>
@@ -94,3 +95,23 @@
 	bus->resume = of_platform_device_resume;
 	return bus_register(bus);
 }
+
+int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus)
+{
+	/* initialize common driver fields */
+	if (!drv->driver.name)
+		drv->driver.name = drv->name;
+	if (!drv->driver.owner)
+		drv->driver.owner = drv->owner;
+	drv->driver.bus = bus;
+
+	/* register with core */
+	return driver_register(&drv->driver);
+}
+EXPORT_SYMBOL(of_register_driver);
+
+void of_unregister_driver(struct of_platform_driver *drv)
+{
+	driver_unregister(&drv->driver);
+}
+EXPORT_SYMBOL(of_unregister_driver);