diff --git a/drivers/base/attribute_container.c b/drivers/base/attribute_container.c
index 6b2eb6f..2a7d7ae 100644
--- a/drivers/base/attribute_container.c
+++ b/drivers/base/attribute_container.c
@@ -19,6 +19,8 @@
 #include <linux/list.h>
 #include <linux/module.h>
 
+#include "base.h"
+
 /* This is a private structure used to tie the classdev and the
  * container .. it should never be visible outside this file */
 struct internal_container {
diff --git a/drivers/base/base.h b/drivers/base/base.h
index 783752b..e3b548d 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -1,3 +1,15 @@
+
+/* initialisation functions */
+
+extern int devices_init(void);
+extern int buses_init(void);
+extern int classes_init(void);
+extern int firmware_init(void);
+extern int platform_bus_init(void);
+extern int system_bus_init(void);
+extern int cpu_dev_init(void);
+extern int attribute_container_init(void);
+
 extern int bus_add_device(struct device * dev);
 extern void bus_remove_device(struct device * dev);
 
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index b79badd..081c927 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -9,6 +9,7 @@
 #include <linux/topology.h>
 #include <linux/device.h>
 
+#include "base.h"
 
 struct sysdev_class cpu_sysdev_class = {
 	set_kset_name("cpu"),
diff --git a/drivers/base/firmware.c b/drivers/base/firmware.c
index 88ab044..cb1b98a 100644
--- a/drivers/base/firmware.c
+++ b/drivers/base/firmware.c
@@ -11,6 +11,9 @@
 #include <linux/kobject.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/device.h>
+
+#include "base.h"
 
 static decl_subsys(firmware, NULL, NULL);
 
diff --git a/drivers/base/init.c b/drivers/base/init.c
index a76ae5a..84e604e 100644
--- a/drivers/base/init.c
+++ b/drivers/base/init.c
@@ -10,14 +10,8 @@
 #include <linux/device.h>
 #include <linux/init.h>
 
-extern int devices_init(void);
-extern int buses_init(void);
-extern int classes_init(void);
-extern int firmware_init(void);
-extern int platform_bus_init(void);
-extern int system_bus_init(void);
-extern int cpu_dev_init(void);
-extern int attribute_container_init(void);
+#include "base.h"
+
 /**
  *	driver_init - initialize driver model.
  *
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 361e204..a1a56ff 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -17,6 +17,8 @@
 #include <linux/bootmem.h>
 #include <linux/err.h>
 
+#include "base.h"
+
 struct device platform_bus = {
 	.bus_id		= "platform",
 };