1 files changed, 10 insertions, 3 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index 7b781a72b293..06e5d42f2c7b 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -69,7 +69,7 @@ struct bus_type {
 extern int bus_register(struct bus_type * bus);
 extern void bus_unregister(struct bus_type * bus);
 
-extern int bus_rescan_devices(struct bus_type * bus);
+extern void bus_rescan_devices(struct bus_type * bus);
 
 extern struct bus_type * get_bus(struct bus_type * bus);
 extern void put_bus(struct bus_type * bus);
@@ -80,6 +80,8 @@ extern struct bus_type * find_bus(char * name);
 
 int bus_for_each_dev(struct bus_type * bus, struct device * start, void * data,
                      int (*fn)(struct device *, void *));
+struct device * bus_find_device(struct bus_type *bus, struct device *start,
+                                void *data, int (*match)(struct device *, void *));
 
 int bus_for_each_drv(struct bus_type * bus, struct device_driver * start, 
                      void * data, int (*fn)(struct device_driver *, void *));
@@ -142,6 +144,9 @@ extern void driver_remove_file(struct device_driver *, struct driver_attribute *
 
 extern int driver_for_each_device(struct device_driver * drv, struct device * start,
                                   void * data, int (*fn)(struct device *, void *));
+struct device * driver_find_device(struct device_driver *drv,
+                                   struct device *start, void *data,
+                                   int (*match)(struct device *, void *));
 
 
 /*
@@ -279,8 +284,10 @@ struct device {
         struct device_driver *driver;   /* which driver has allocated this
                                            device */
         void            *driver_data;   /* data private to the driver */
-        void            *platform_data; /* Platform specific data (e.g. ACPI,
-                                           BIOS data relevant to device) */
+        void            *platform_data; /* Platform specific data, device
+                                           core doesn't touch it */
+        void            *firmware_data; /* Firmware specific data (e.g. ACPI,
+                                           BIOS data),reserved for device core*/
         struct dev_pm_info      power;
 
         u64             *dma_mask;      /* dma mask (if dma'able device) */