struct klist klist_devices;
struct klist klist_drivers;
+ struct blocking_notifier_head bus_notifier;
+
struct bus_attribute * bus_attrs;
struct device_attribute * dev_attrs;
struct driver_attribute * drv_attrs;
struct device_driver *start, void *data,
int (*fn)(struct device_driver *, void *));
+/*
+ * Bus notifiers: Get notified of addition/removal of devices
+ * and binding/unbinding of drivers to devices.
+ * In the long run, it should be a replacement for the platform
+ * notify hooks.
+ */
+struct notifier_block;
+
+extern int bus_register_notifier(struct bus_type *bus,
+ struct notifier_block *nb);
+extern int bus_unregister_notifier(struct bus_type *bus,
+ struct notifier_block *nb);
+
+/* All 4 notifers below get called with the target struct device *
+ * as an argument. Note that those functions are likely to be called
+ * with the device semaphore held in the core, so be careful.
+ */
+#define BUS_NOTIFY_ADD_DEVICE 0x00000001 /* device added */
+#define BUS_NOTIFY_DEL_DEVICE 0x00000002 /* device removed */
+#define BUS_NOTIFY_BOUND_DRIVER 0x00000003 /* driver bound to device */
+#define BUS_NOTIFY_UNBIND_DRIVER 0x00000004 /* driver about to be
+ unbound */
+
/* driverfs interface for exporting bus attributes */
struct bus_attribute {
extern void device_initialize(struct device * dev);
extern int __must_check device_add(struct device * dev);
extern void device_del(struct device * dev);
-extern int __must_check device_for_each_child(struct device *, void *,
+extern int device_for_each_child(struct device *, void *,
int (*fn)(struct device *, void *));
extern int device_rename(struct device *dev, char *new_name);