Merge kroah.com:/home/greg/linux/BK/bleed-2.6

into kroah.com:/home/greg/linux/BK/driver-2.6

drivers/base/class_simple.c

@@ -169,6 +169,24 @@ struct class_device *class_simple_device_add(struct class_simple *cs, dev_t dev,
 }
 EXPORT_SYMBOL(class_simple_device_add);
 
+/**
+ * class_simple_set_hotplug - set the hotplug callback in the embedded struct class
+ * @cs: pointer to the struct class_simple to hold the pointer
+ * @hotplug: function pointer to the hotplug function
+ *
+ * Implement and set a hotplug function to add environment variables specific to this 
+ * class on the hotplug event.
+ */
+int class_simple_set_hotplug(struct class_simple *cs, 
+	int (*hotplug)(struct class_device *dev, char **envp, int num_envp, char *buffer, int buffer_size))
+{
+	if ((cs == NULL) || (IS_ERR(cs)))
+		return -ENODEV;
+	cs->class.hotplug = hotplug;
+	return 0;
+}
+EXPORT_SYMBOL(class_simple_set_hotplug);
+
 /**
  * class_simple_device_remove - removes a class device that was created with class_simple_device_add()
  * @dev: the dev_t of the device that was previously registered.

drivers/base/core.c

@@ -76,7 +76,6 @@ static struct sysfs_ops dev_sysfs_ops = {
 static void device_release(struct kobject * kobj)
 {
 	struct device * dev = to_dev(kobj);
-	struct completion * c = dev->complete;
 
 	if (dev->release)
 		dev->release(dev);
@@ -86,8 +85,6 @@ static void device_release(struct kobject * kobj)
 			dev->bus_id);
 		WARN_ON(1);
 	}
-	if (c)
-		complete(c);
 }
 
 static struct kobj_type ktype_device = {
@@ -354,25 +351,6 @@ void device_unregister(struct device * dev)
 }
 
 
-/**
- *	device_unregister_wait - Unregister device and wait for it to be freed.
- *	@dev: Device to unregister.
- *
- *	For the cases where the caller needs to wait for all references to
- *	be dropped from the device before continuing (e.g. modules with
- *	statically allocated devices), this function uses a completion struct
- *	to wait, along with a matching complete() in device_release() above.
- */
-
-void device_unregister_wait(struct device * dev)
-{
-	struct completion c;
-	init_completion(&c);
-	dev->complete = &c;
-	device_unregister(dev);
-	wait_for_completion(&c);
-}
-
 /**
  *	device_for_each_child - device child iterator.
  *	@dev:	parent struct device.
@@ -421,7 +399,6 @@ EXPORT_SYMBOL(device_register);
 
 EXPORT_SYMBOL(device_del);
 EXPORT_SYMBOL(device_unregister);
-EXPORT_SYMBOL(device_unregister_wait);
 EXPORT_SYMBOL(get_device);
 EXPORT_SYMBOL(put_device);
 EXPORT_SYMBOL(device_find);

include/linux/device.h

@@ -253,6 +253,8 @@ extern struct class_simple *class_simple_create(struct module *owner, char *name
 extern void class_simple_destroy(struct class_simple *cs);
 extern struct class_device *class_simple_device_add(struct class_simple *cs, dev_t dev, struct device *device, const char *fmt, ...)
 	__attribute__((format(printf,4,5)));
+extern int class_simple_set_hotplug(struct class_simple *, 
+	int (*hotplug)(struct class_device *dev, char **envp, int num_envp, char *buffer, int buffer_size));
 extern void class_simple_device_remove(dev_t dev);
 
 
@@ -263,7 +265,6 @@ struct device {
 	struct list_head children;
 	struct device 	* parent;
 
-	struct completion * complete;	/* Notification for freeing device. */
 	struct kobject kobj;
 	char	bus_id[BUS_ID_SIZE];	/* position on parent bus */
 
@@ -311,7 +312,6 @@ dev_set_drvdata (struct device *dev, void *data)
  */
 extern int device_register(struct device * dev);
 extern void device_unregister(struct device * dev);
-extern void device_unregister_wait(struct device * dev);
 extern void device_initialize(struct device * dev);
 extern int device_add(struct device * dev);
 extern void device_del(struct device * dev);

lib/kobject.c

@@ -630,6 +630,9 @@ EXPORT_SYMBOL(kobject_register);
 EXPORT_SYMBOL(kobject_unregister);
 EXPORT_SYMBOL(kobject_get);
 EXPORT_SYMBOL(kobject_put);
+EXPORT_SYMBOL(kobject_add);
+EXPORT_SYMBOL(kobject_del);
+EXPORT_SYMBOL(kobject_rename);
 EXPORT_SYMBOL(kobject_hotplug);
 
 EXPORT_SYMBOL(kset_register);