driver core: clean up device_shutdown

device_shutdown does not need to be in a separate file.  Move it into
the driver core file where it belongs.

This also moves us one more step closer to making devices_kset static,
now only the crazy sysdevs are keeping that from happening...
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/base/core.c

@@ -1415,5 +1415,23 @@ out:
 	put_device(dev);
 	return error;
 }
-
 EXPORT_SYMBOL_GPL(device_move);
+
+/**
+ * device_shutdown - call ->shutdown() on each device to shutdown.
+ */
+void device_shutdown(void)
+{
+	struct device * dev, *devn;
+
+	list_for_each_entry_safe_reverse(dev, devn, &devices_kset->list,
+				kobj.entry) {
+		if (dev->bus && dev->bus->shutdown) {
+			dev_dbg(dev, "shutdown\n");
+			dev->bus->shutdown(dev);
+		} else if (dev->driver && dev->driver->shutdown) {
+			dev_dbg(dev, "shutdown\n");
+			dev->driver->shutdown(dev);
+		}
+	}
+}

drivers/base/power/Makefile

-obj-y			:= shutdown.o
 obj-$(CONFIG_PM)	+= sysfs.o
 obj-$(CONFIG_PM_SLEEP)	+= main.o
 obj-$(CONFIG_PM_TRACE)	+= trace.o

drivers/base/power/shutdown.c

-/*
- * shutdown.c - power management functions for the device tree.
- *
- * Copyright (c) 2002-3 Patrick Mochel
- *		 2002-3 Open Source Development Lab
- *
- * This file is released under the GPLv2
- *
- */
-
-#include <linux/device.h>
-#include <asm/semaphore.h>
-
-#include "../base.h"
-
-/**
- * We handle system devices differently - we suspend and shut them
- * down last and resume them first. That way, we don't do anything stupid like
- * shutting down the interrupt controller before any devices..
- *
- * Note that there are not different stages for power management calls -
- * they only get one called once when interrupts are disabled.
- */
-
-
-/**
- * device_shutdown - call ->shutdown() on each device to shutdown.
- */
-void device_shutdown(void)
-{
-	struct device * dev, *devn;
-
-	list_for_each_entry_safe_reverse(dev, devn, &devices_kset->list,
-				kobj.entry) {
-		if (dev->bus && dev->bus->shutdown) {
-			dev_dbg(dev, "shutdown\n");
-			dev->bus->shutdown(dev);
-		} else if (dev->driver && dev->driver->shutdown) {
-			dev_dbg(dev, "shutdown\n");
-			dev->driver->shutdown(dev);
-		}
-	}
-}