ARM: sa1111: remove legacy shutdown method

Since the only user of the SA1111 device driver shutdown method has now
gone, we can kill the bus level support code and the entry in the
sa1111 device driver structure.
Signed-off-by: NRussell King <rmk+kernel@armlinux.org.uk>

arch/arm/common/sa1111.c

@@ -1401,14 +1401,6 @@ static int sa1111_bus_resume(struct device *dev)
 	return ret;
 }
 
-static void sa1111_bus_shutdown(struct device *dev)
-{
-	struct sa1111_driver *drv = SA1111_DRV(dev->driver);
-
-	if (drv && drv->shutdown)
-		drv->shutdown(to_sa1111_device(dev));
-}
-
 static int sa1111_bus_probe(struct device *dev)
 {
 	struct sa1111_dev *sadev = to_sa1111_device(dev);
@@ -1438,7 +1430,6 @@ struct bus_type sa1111_bus_type = {
 	.remove		= sa1111_bus_remove,
 	.suspend	= sa1111_bus_suspend,
 	.resume		= sa1111_bus_resume,
-	.shutdown	= sa1111_bus_shutdown,
 };
 EXPORT_SYMBOL(sa1111_bus_type);
 

arch/arm/include/asm/hardware/sa1111.h

@@ -433,7 +433,6 @@ struct sa1111_driver {
 	int (*remove)(struct sa1111_dev *);
 	int (*suspend)(struct sa1111_dev *, pm_message_t);
 	int (*resume)(struct sa1111_dev *);
-	void (*shutdown)(struct sa1111_dev *);
 };
 
 #define SA1111_DRV(_d)	container_of((_d), struct sa1111_driver, drv)