Merge branch 'linus' into cpumask-for-linus

Conflicts:
	arch/x86/kernel/cpu/common.c

drivers/base/base.h

@@ -63,6 +63,32 @@ struct class_private {
 #define to_class(obj)	\
 	container_of(obj, struct class_private, class_subsys.kobj)
 
+/**
+ * struct device_private - structure to hold the private to the driver core portions of the device structure.
+ *
+ * @klist_children - klist containing all children of this device
+ * @knode_parent - node in sibling list
+ * @knode_driver - node in driver list
+ * @knode_bus - node in bus list
+ * @device - pointer back to the struct class that this structure is
+ * associated with.
+ *
+ * Nothing outside of the driver core should ever touch these fields.
+ */
+struct device_private {
+	struct klist klist_children;
+	struct klist_node knode_parent;
+	struct klist_node knode_driver;
+	struct klist_node knode_bus;
+	struct device *device;
+};
+#define to_device_private_parent(obj)	\
+	container_of(obj, struct device_private, knode_parent)
+#define to_device_private_driver(obj)	\
+	container_of(obj, struct device_private, knode_driver)
+#define to_device_private_bus(obj)	\
+	container_of(obj, struct device_private, knode_bus)
+
 /* initialisation functions */
 extern int devices_init(void);
 extern int buses_init(void);
@@ -86,6 +112,11 @@ extern void bus_remove_driver(struct device_driver *drv);
 
 extern void driver_detach(struct device_driver *drv);
 extern int driver_probe_device(struct device_driver *drv, struct device *dev);
+static inline int driver_match_device(struct device_driver *drv,
+				      struct device *dev)
+{
+	return drv->bus->match && drv->bus->match(dev, drv);
+}
 
 extern void sysdev_shutdown(void);
 

drivers/base/bus.c

@@ -198,7 +198,7 @@ static ssize_t driver_bind(struct device_driver *drv,
 	int err = -ENODEV;
 
 	dev = bus_find_device_by_name(bus, NULL, buf);
-	if (dev && dev->driver == NULL) {
+	if (dev && dev->driver == NULL && driver_match_device(drv, dev)) {
 		if (dev->parent)	/* Needed for USB */
 			down(&dev->parent->sem);
 		down(&dev->sem);
@@ -253,7 +253,14 @@ static ssize_t store_drivers_probe(struct bus_type *bus,
 static struct device *next_device(struct klist_iter *i)
 {
 	struct klist_node *n = klist_next(i);
-	return n ? container_of(n, struct device, knode_bus) : NULL;
+	struct device *dev = NULL;
+	struct device_private *dev_prv;
+
+	if (n) {
+		dev_prv = to_device_private_bus(n);
+		dev = dev_prv->device;
+	}
+	return dev;
 }
 
 /**
@@ -286,7 +293,7 @@ int bus_for_each_dev(struct bus_type *bus, struct device *start,
 		return -EINVAL;
 
 	klist_iter_init_node(&bus->p->klist_devices, &i,
-			     (start ? &start->knode_bus : NULL));
+			     (start ? &start->p->knode_bus : NULL));
 	while ((dev = next_device(&i)) && !error)
 		error = fn(dev, data);
 	klist_iter_exit(&i);
@@ -320,7 +327,7 @@ struct device *bus_find_device(struct bus_type *bus,
 		return NULL;
 
 	klist_iter_init_node(&bus->p->klist_devices, &i,
-			     (start ? &start->knode_bus : NULL));
+			     (start ? &start->p->knode_bus : NULL));
 	while ((dev = next_device(&i)))
 		if (match(dev, data) && get_device(dev))
 			break;
@@ -507,7 +514,8 @@ void bus_attach_device(struct device *dev)
 			ret = device_attach(dev);
 		WARN_ON(ret < 0);
 		if (ret >= 0)
-			klist_add_tail(&dev->knode_bus, &bus->p->klist_devices);
+			klist_add_tail(&dev->p->knode_bus,
+				       &bus->p->klist_devices);
 	}
 }
 
@@ -528,8 +536,8 @@ void bus_remove_device(struct device *dev)
 		sysfs_remove_link(&dev->bus->p->devices_kset->kobj,
 				  dev_name(dev));
 		device_remove_attrs(dev->bus, dev);
-		if (klist_node_attached(&dev->knode_bus))
-			klist_del(&dev->knode_bus);
+		if (klist_node_attached(&dev->p->knode_bus))
+			klist_del(&dev->p->knode_bus);
 
 		pr_debug("bus: '%s': remove device %s\n",
 			 dev->bus->name, dev_name(dev));
@@ -831,14 +839,16 @@ static void bus_remove_attrs(struct bus_type *bus)
 
 static void klist_devices_get(struct klist_node *n)
 {
-	struct device *dev = container_of(n, struct device, knode_bus);
+	struct device_private *dev_prv = to_device_private_bus(n);
+	struct device *dev = dev_prv->device;
 
 	get_device(dev);
 }
 
 static void klist_devices_put(struct klist_node *n)
 {
-	struct device *dev = container_of(n, struct device, knode_bus);
+	struct device_private *dev_prv = to_device_private_bus(n);
+	struct device *dev = dev_prv->device;
 
 	put_device(dev);
 }
@@ -932,6 +942,7 @@ bus_uevent_fail:
 	kset_unregister(&bus->p->subsys);
 	kfree(bus->p);
 out:
+	bus->p = NULL;
 	return retval;
 }
 EXPORT_SYMBOL_GPL(bus_register);
@@ -953,6 +964,7 @@ void bus_unregister(struct bus_type *bus)
 	bus_remove_file(bus, &bus_attr_uevent);
 	kset_unregister(&bus->p->subsys);
 	kfree(bus->p);
+	bus->p = NULL;
 }
 EXPORT_SYMBOL_GPL(bus_unregister);
 
@@ -993,18 +1005,20 @@ static void device_insertion_sort_klist(struct device *a, struct list_head *list
 {
 	struct list_head *pos;
 	struct klist_node *n;
+	struct device_private *dev_prv;
 	struct device *b;
 
 	list_for_each(pos, list) {
 		n = container_of(pos, struct klist_node, n_node);
-		b = container_of(n, struct device, knode_bus);
+		dev_prv = to_device_private_bus(n);
+		b = dev_prv->device;
 		if (compare(a, b) <= 0) {
-			list_move_tail(&a->knode_bus.n_node,
-				       &b->knode_bus.n_node);
+			list_move_tail(&a->p->knode_bus.n_node,
+				       &b->p->knode_bus.n_node);
 			return;
 		}
 	}
-	list_move_tail(&a->knode_bus.n_node, list);
+	list_move_tail(&a->p->knode_bus.n_node, list);
 }
 
 void bus_sort_breadthfirst(struct bus_type *bus,
@@ -1014,6 +1028,7 @@ void bus_sort_breadthfirst(struct bus_type *bus,
 	LIST_HEAD(sorted_devices);
 	struct list_head *pos, *tmp;
 	struct klist_node *n;
+	struct device_private *dev_prv;
 	struct device *dev;
 	struct klist *device_klist;
 
@@ -1022,7 +1037,8 @@ void bus_sort_breadthfirst(struct bus_type *bus,
 	spin_lock(&device_klist->k_lock);
 	list_for_each_safe(pos, tmp, &device_klist->k_list) {
 		n = container_of(pos, struct klist_node, n_node);
-		dev = container_of(n, struct device, knode_bus);
+		dev_prv = to_device_private_bus(n);
+		dev = dev_prv->device;
 		device_insertion_sort_klist(dev, &sorted_devices, compare);
 	}
 	list_splice(&sorted_devices, &device_klist->k_list);

drivers/base/core.c

@@ -109,6 +109,7 @@ static struct sysfs_ops dev_sysfs_ops = {
 static void device_release(struct kobject *kobj)
 {
 	struct device *dev = to_dev(kobj);
+	struct device_private *p = dev->p;
 
 	if (dev->release)
 		dev->release(dev);
@@ -120,6 +121,7 @@ static void device_release(struct kobject *kobj)
 		WARN(1, KERN_ERR "Device '%s' does not have a release() "
 			"function, it is broken and must be fixed.\n",
 			dev_name(dev));
+	kfree(p);
 }
 
 static struct kobj_type device_ktype = {
@@ -134,8 +136,6 @@ static int dev_uevent_filter(struct kset *kset, struct kobject *kobj)
 
 	if (ktype == &device_ktype) {
 		struct device *dev = to_dev(kobj);
-		if (dev->uevent_suppress)
-			return 0;
 		if (dev->bus)
 			return 1;
 		if (dev->class)
@@ -507,14 +507,16 @@ EXPORT_SYMBOL_GPL(device_schedule_callback_owner);
 
 static void klist_children_get(struct klist_node *n)
 {
-	struct device *dev = container_of(n, struct device, knode_parent);
+	struct device_private *p = to_device_private_parent(n);
+	struct device *dev = p->device;
 
 	get_device(dev);
 }
 
 static void klist_children_put(struct klist_node *n)
 {
-	struct device *dev = container_of(n, struct device, knode_parent);
+	struct device_private *p = to_device_private_parent(n);
+	struct device *dev = p->device;
 
 	put_device(dev);
 }
@@ -538,8 +540,6 @@ void device_initialize(struct device *dev)
 {
 	dev->kobj.kset = devices_kset;
 	kobject_init(&dev->kobj, &device_ktype);
-	klist_init(&dev->klist_children, klist_children_get,
-		   klist_children_put);
 	INIT_LIST_HEAD(&dev->dma_pools);
 	init_MUTEX(&dev->sem);
 	spin_lock_init(&dev->devres_lock);
@@ -777,17 +777,12 @@ static void device_remove_class_symlinks(struct device *dev)
 int dev_set_name(struct device *dev, const char *fmt, ...)
 {
 	va_list vargs;
-	char *s;
+	int err;
 
 	va_start(vargs, fmt);
-	vsnprintf(dev->bus_id, sizeof(dev->bus_id), fmt, vargs);
+	err = kobject_set_name_vargs(&dev->kobj, fmt, vargs);
 	va_end(vargs);
-
-	/* ewww... some of these buggers have / in the name... */
-	while ((s = strchr(dev->bus_id, '/')))
-		*s = '!';
-
-	return 0;
+	return err;
 }
 EXPORT_SYMBOL_GPL(dev_set_name);
 
@@ -864,12 +859,26 @@ int device_add(struct device *dev)
 	if (!dev)
 		goto done;
 
-	/* Temporarily support init_name if it is set.
-	 * It will override bus_id for now */
-	if (dev->init_name)
-		dev_set_name(dev, "%s", dev->init_name);
+	dev->p = kzalloc(sizeof(*dev->p), GFP_KERNEL);
+	if (!dev->p) {
+		error = -ENOMEM;
+		goto done;
+	}
+	dev->p->device = dev;
+	klist_init(&dev->p->klist_children, klist_children_get,
+		   klist_children_put);
 
-	if (!strlen(dev->bus_id))
+	/*
+	 * for statically allocated devices, which should all be converted
+	 * some day, we need to initialize the name. We prevent reading back
+	 * the name, and force the use of dev_name()
+	 */
+	if (dev->init_name) {
+		dev_set_name(dev, dev->init_name);
+		dev->init_name = NULL;
+	}
+
+	if (!dev_name(dev))
 		goto done;
 
 	pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
@@ -928,7 +937,8 @@ int device_add(struct device *dev)
 	kobject_uevent(&dev->kobj, KOBJ_ADD);
 	bus_attach_device(dev);
 	if (parent)
-		klist_add_tail(&dev->knode_parent, &parent->klist_children);
+		klist_add_tail(&dev->p->knode_parent,
+			       &parent->p->klist_children);
 
 	if (dev->class) {
 		mutex_lock(&dev->class->p->class_mutex);
@@ -1042,7 +1052,7 @@ void device_del(struct device *dev)
 	device_pm_remove(dev);
 	dpm_sysfs_remove(dev);
 	if (parent)
-		klist_del(&dev->knode_parent);
+		klist_del(&dev->p->knode_parent);
 	if (MAJOR(dev->devt)) {
 		device_remove_sys_dev_entry(dev);
 		device_remove_file(dev, &devt_attr);
@@ -1103,7 +1113,14 @@ void device_unregister(struct device *dev)
 static struct device *next_device(struct klist_iter *i)
 {
 	struct klist_node *n = klist_next(i);
-	return n ? container_of(n, struct device, knode_parent) : NULL;
+	struct device *dev = NULL;
+	struct device_private *p;
+
+	if (n) {
+		p = to_device_private_parent(n);
+		dev = p->device;
+	}
+	return dev;
 }
 
 /**
@@ -1125,7 +1142,7 @@ int device_for_each_child(struct device *parent, void *data,
 	struct device *child;
 	int error = 0;
 
-	klist_iter_init(&parent->klist_children, &i);
+	klist_iter_init(&parent->p->klist_children, &i);
 	while ((child = next_device(&i)) && !error)
 		error = fn(child, data);
 	klist_iter_exit(&i);
@@ -1156,7 +1173,7 @@ struct device *device_find_child(struct device *parent, void *data,
 	if (!parent)
 		return NULL;
 
-	klist_iter_init(&parent->klist_children, &i);
+	klist_iter_init(&parent->p->klist_children, &i);
 	while ((child = next_device(&i)))
 		if (match(child, data) && get_device(child))
 			break;
@@ -1348,7 +1365,10 @@ struct device *device_create_vargs(struct class *class, struct device *parent,
 	dev->release = device_create_release;
 	dev_set_drvdata(dev, drvdata);
 
-	vsnprintf(dev->bus_id, BUS_ID_SIZE, fmt, args);
+	retval = kobject_set_name_vargs(&dev->kobj, fmt, args);
+	if (retval)
+		goto error;
+
 	retval = device_register(dev);
 	if (retval)
 		goto error;
@@ -1452,19 +1472,15 @@ int device_rename(struct device *dev, char *new_name)
 		old_class_name = make_class_name(dev->class->name, &dev->kobj);
 #endif
 
-	old_device_name = kmalloc(BUS_ID_SIZE, GFP_KERNEL);
+	old_device_name = kstrdup(dev_name(dev), GFP_KERNEL);
 	if (!old_device_name) {
 		error = -ENOMEM;
 		goto out;
 	}
-	strlcpy(old_device_name, dev->bus_id, BUS_ID_SIZE);
-	strlcpy(dev->bus_id, new_name, BUS_ID_SIZE);
 
 	error = kobject_rename(&dev->kobj, new_name);
-	if (error) {
-		strlcpy(dev->bus_id, old_device_name, BUS_ID_SIZE);
+	if (error)
 		goto out;
-	}
 
 #ifdef CONFIG_SYSFS_DEPRECATED
 	if (old_class_name) {
@@ -1545,8 +1561,10 @@ out:
  * device_move - moves a device to a new parent
  * @dev: the pointer to the struct device to be moved
  * @new_parent: the new parent of the device (can by NULL)
+ * @dpm_order: how to reorder the dpm_list
  */
-int device_move(struct device *dev, struct device *new_parent)
+int device_move(struct device *dev, struct device *new_parent,
+		enum dpm_order dpm_order)
 {
 	int error;
 	struct device *old_parent;
@@ -1556,6 +1574,7 @@ int device_move(struct device *dev, struct device *new_parent)
 	if (!dev)
 		return -EINVAL;
 
+	device_pm_lock();
 	new_parent = get_device(new_parent);
 	new_parent_kobj = get_device_parent(dev, new_parent);
 
@@ -1570,9 +1589,10 @@ int device_move(struct device *dev, struct device *new_parent)
 	old_parent = dev->parent;
 	dev->parent = new_parent;
 	if (old_parent)
-		klist_remove(&dev->knode_parent);
+		klist_remove(&dev->p->knode_parent);
 	if (new_parent) {
-		klist_add_tail(&dev->knode_parent, &new_parent->klist_children);
+		klist_add_tail(&dev->p->knode_parent,
+			       &new_parent->p->klist_children);
 		set_dev_node(dev, dev_to_node(new_parent));
 	}
 
@@ -1584,11 +1604,11 @@ int device_move(struct device *dev, struct device *new_parent)
 		device_move_class_links(dev, new_parent, old_parent);
 		if (!kobject_move(&dev->kobj, &old_parent->kobj)) {
 			if (new_parent)
-				klist_remove(&dev->knode_parent);
+				klist_remove(&dev->p->knode_parent);
 			dev->parent = old_parent;
 			if (old_parent) {
-				klist_add_tail(&dev->knode_parent,
-					       &old_parent->klist_children);
+				klist_add_tail(&dev->p->knode_parent,
+					       &old_parent->p->klist_children);
 				set_dev_node(dev, dev_to_node(old_parent));
 			}
 		}
@@ -1596,9 +1616,23 @@ int device_move(struct device *dev, struct device *new_parent)
 		put_device(new_parent);
 		goto out;
 	}
+	switch (dpm_order) {
+	case DPM_ORDER_NONE:
+		break;
+	case DPM_ORDER_DEV_AFTER_PARENT:
+		device_pm_move_after(dev, new_parent);
+		break;
+	case DPM_ORDER_PARENT_BEFORE_DEV:
+		device_pm_move_before(new_parent, dev);
+		break;
+	case DPM_ORDER_DEV_LAST:
+		device_pm_move_last(dev);
+		break;
+	}
 out_put:
 	put_device(old_parent);
 out:
+	device_pm_unlock();
 	put_device(dev);
 	return error;
 }

drivers/base/dd.c

@@ -30,7 +30,7 @@
 
 static void driver_bound(struct device *dev)
 {
-	if (klist_node_attached(&dev->knode_driver)) {
+	if (klist_node_attached(&dev->p->knode_driver)) {
 		printk(KERN_WARNING "%s: device %s already bound\n",
 			__func__, kobject_name(&dev->kobj));
 		return;
@@ -43,7 +43,7 @@ static void driver_bound(struct device *dev)
 		blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
 					     BUS_NOTIFY_BOUND_DRIVER, dev);
 
-	klist_add_tail(&dev->knode_driver, &dev->driver->p->klist_devices);
+	klist_add_tail(&dev->p->knode_driver, &dev->driver->p->klist_devices);
 }
 
 static int driver_sysfs_add(struct device *dev)
@@ -172,16 +172,12 @@ int driver_probe_done(void)
 /**
  * wait_for_device_probe
  * Wait for device probing to be completed.
- *
- * Note: this function polls at 100 msec intervals.
  */
-int wait_for_device_probe(void)
+void wait_for_device_probe(void)
 {
 	/* wait for the known devices to complete their probing */
-	while (driver_probe_done() != 0)
-		msleep(100);
+	wait_event(probe_waitqueue, atomic_read(&probe_count) == 0);
 	async_synchronize_full();
-	return 0;
 }
 
 /**
@@ -189,14 +185,8 @@ int wait_for_device_probe(void)
  * @drv: driver to bind a device to
  * @dev: device to try to bind to the driver
  *
- * First, we call the bus's match function, if one present, which should
- * compare the device IDs the driver supports with the device IDs of the
- * device. Note we don't do this ourselves because we don't know the
- * format of the ID structures, nor what is to be considered a match and
- * what is not.
- *
- * This function returns 1 if a match is found, -ENODEV if the device is
- * not registered, and 0 otherwise.
+ * This function returns -ENODEV if the device is not registered,
+ * 1 if the device is bound sucessfully and 0 otherwise.
  *
  * This function must be called with @dev->sem held.  When called for a
  * USB interface, @dev->parent->sem must be held as well.
@@ -207,21 +197,22 @@ int driver_probe_device(struct device_driver *drv, struct device *dev)
 
 	if (!device_is_registered(dev))
 		return -ENODEV;
-	if (drv->bus->match && !drv->bus->match(dev, drv))
-		goto done;
 
 	pr_debug("bus: '%s': %s: matched device %s with driver %s\n",
 		 drv->bus->name, __func__, dev_name(dev), drv->name);
 
 	ret = really_probe(dev, drv);
 
-done:
 	return ret;
 }
 
 static int __device_attach(struct device_driver *drv, void *data)
 {
 	struct device *dev = data;
+
+	if (!driver_match_device(drv, dev))
+		return 0;
+
 	return driver_probe_device(drv, dev);
 }
 
@@ -274,7 +265,7 @@ static int __driver_attach(struct device *dev, void *data)
 	 * is an error.
 	 */
 
-	if (drv->bus->match && !drv->bus->match(dev, drv))
+	if (!driver_match_device(drv, dev))
 		return 0;
 
 	if (dev->parent)	/* Needed for USB */
@@ -327,7 +318,7 @@ static void __device_release_driver(struct device *dev)
 			drv->remove(dev);
 		devres_release_all(dev);
 		dev->driver = NULL;
-		klist_remove(&dev->knode_driver);
+		klist_remove(&dev->p->knode_driver);
 	}
 }
 
@@ -357,6 +348,7 @@ EXPORT_SYMBOL_GPL(device_release_driver);
  */
 void driver_detach(struct device_driver *drv)
 {
+	struct device_private *dev_prv;
 	struct device *dev;
 
 	for (;;) {
@@ -365,8 +357,10 @@ void driver_detach(struct device_driver *drv)
 			spin_unlock(&drv->p->klist_devices.k_lock);
 			break;
 		}
-		dev = list_entry(drv->p->klist_devices.k_list.prev,
-				struct device, knode_driver.n_node);
+		dev_prv = list_entry(drv->p->klist_devices.k_list.prev,
+				     struct device_private,
+				     knode_driver.n_node);
+		dev = dev_prv->device;
 		get_device(dev);
 		spin_unlock(&drv->p->klist_devices.k_lock);
 

drivers/base/driver.c

@@ -19,7 +19,14 @@
 static struct device *next_device(struct klist_iter *i)
 {
 	struct klist_node *n = klist_next(i);
-	return n ? container_of(n, struct device, knode_driver) : NULL;
+	struct device *dev = NULL;
+	struct device_private *dev_prv;
+
+	if (n) {
+		dev_prv = to_device_private_driver(n);
+		dev = dev_prv->device;
+	}
+	return dev;
 }
 
 /**
@@ -42,7 +49,7 @@ int driver_for_each_device(struct device_driver *drv, struct device *start,
 		return -EINVAL;
 
 	klist_iter_init_node(&drv->p->klist_devices, &i,
-			     start ? &start->knode_driver : NULL);
+			     start ? &start->p->knode_driver : NULL);
 	while ((dev = next_device(&i)) && !error)
 		error = fn(dev, data);
 	klist_iter_exit(&i);
@@ -76,7 +83,7 @@ struct device *driver_find_device(struct device_driver *drv,
 		return NULL;
 
 	klist_iter_init_node(&drv->p->klist_devices, &i,
-			     (start ? &start->knode_driver : NULL));
+			     (start ? &start->p->knode_driver : NULL));
 	while ((dev = next_device(&i)))
 		if (match(dev, data) && get_device(dev))
 			break;
@@ -216,6 +223,8 @@ int driver_register(struct device_driver *drv)
 	int ret;
 	struct device_driver *other;
 
+	BUG_ON(!drv->bus->p);
+
 	if ((drv->bus->probe && drv->probe) ||
 	    (drv->bus->remove && drv->remove) ||
 	    (drv->bus->shutdown && drv->shutdown))

drivers/base/firmware_class.c

@@ -319,7 +319,7 @@ static int fw_register_device(struct device **dev_p, const char *fw_name,
 	f_dev->parent = device;
 	f_dev->class = &firmware_class;
 	dev_set_drvdata(f_dev, fw_priv);
-	f_dev->uevent_suppress = 1;
+	dev_set_uevent_suppress(f_dev, 1);
 	retval = device_register(f_dev);
 	if (retval) {
 		dev_err(device, "%s: device_register failed\n", __func__);
@@ -366,7 +366,7 @@ static int fw_setup_device(struct firmware *fw, struct device **dev_p,
 	}
 
 	if (uevent)
-		f_dev->uevent_suppress = 0;
+		dev_set_uevent_suppress(f_dev, 0);
 	*dev_p = f_dev;
 	goto out;
 

drivers/base/iommu.c

@@ -31,7 +31,7 @@ void register_iommu(struct iommu_ops *ops)
 	iommu_ops = ops;
 }
 
-bool iommu_found()
+bool iommu_found(void)
 {
 	return iommu_ops != NULL;
 }

drivers/base/platform.c

@@ -217,6 +217,7 @@ int platform_device_add_data(struct platform_device *pdev, const void *data,
 	if (d) {
 		memcpy(d, data, size);
 		pdev->dev.platform_data = d;
+		pdev->platform_data = d;
 	}
 	return d ? 0 : -ENOMEM;
 }
@@ -246,6 +247,21 @@ int platform_device_add(struct platform_device *pdev)
 	else
 		dev_set_name(&pdev->dev, pdev->name);
 
+	/* We will remove platform_data field from struct device
+	* if all platform devices pass its platform specific data
+	* from platform_device. The conversion is going to be a
+	* long time, so we allow the two cases coexist to make
+	* this kind of fix more easily*/
+	if (pdev->platform_data && pdev->dev.platform_data) {
+		printk(KERN_ERR
+			       "%s: use which platform_data?\n",
+			       dev_name(&pdev->dev));
+	} else if (pdev->platform_data) {
+		pdev->dev.platform_data = pdev->platform_data;
+	} else if (pdev->dev.platform_data) {
+		pdev->platform_data = pdev->dev.platform_data;
+	}
+
 	for (i = 0; i < pdev->num_resources; i++) {
 		struct resource *p, *r = &pdev->resource[i];
 
@@ -584,10 +600,25 @@ static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
 	struct platform_device	*pdev = to_platform_device(dev);
 
-	add_uevent_var(env, "MODALIAS=platform:%s", pdev->name);
+	add_uevent_var(env, "MODALIAS=%s%s", PLATFORM_MODULE_PREFIX,
+		(pdev->id_entry) ? pdev->id_entry->name : pdev->name);
 	return 0;
 }
 
+static const struct platform_device_id *platform_match_id(
+			struct platform_device_id *id,
+			struct platform_device *pdev)
+{
+	while (id->name[0]) {
+		if (strcmp(pdev->name, id->name) == 0) {
+			pdev->id_entry = id;
+			return id;
+		}
+		id++;
+	}
+	return NULL;
+}
+
 /**
  * platform_match - bind platform device to platform driver.
  * @dev: device.
@@ -603,9 +634,14 @@ static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
  */
 static int platform_match(struct device *dev, struct device_driver *drv)
 {
-	struct platform_device *pdev;
+	struct platform_device *pdev = to_platform_device(dev);
+	struct platform_driver *pdrv = to_platform_driver(drv);
 
-	pdev = container_of(dev, struct platform_device, dev);
+	/* match against the id table first */
+	if (pdrv->id_table)
+		return platform_match_id(pdrv->id_table, pdev) != NULL;
+
+	/* fall-back to driver name match */
 	return (strcmp(pdev->name, drv->name) == 0);
 }
 
@@ -623,26 +659,24 @@ static int platform_legacy_suspend(struct device *dev, pm_message_t mesg)
 
 static int platform_legacy_suspend_late(struct device *dev, pm_message_t mesg)
 {
-	struct platform_driver *drv = to_platform_driver(dev->driver);
-	struct platform_device *pdev;
+	struct platform_driver *pdrv = to_platform_driver(dev->driver);
+	struct platform_device *pdev = to_platform_device(dev);
 	int ret = 0;
 
-	pdev = container_of(dev, struct platform_device, dev);
-	if (dev->driver && drv->suspend_late)
-		ret = drv->suspend_late(pdev, mesg);
+	if (dev->driver && pdrv->suspend_late)
+		ret = pdrv->suspend_late(pdev, mesg);
 
 	return ret;
 }
 
 static int platform_legacy_resume_early(struct device *dev)
 {
-	struct platform_driver *drv = to_platform_driver(dev->driver);
-	struct platform_device *pdev;
+	struct platform_driver *pdrv = to_platform_driver(dev->driver);
+	struct platform_device *pdev = to_platform_device(dev);
 	int ret = 0;
 
-	pdev = container_of(dev, struct platform_device, dev);
-	if (dev->driver && drv->resume_early)
-		ret = drv->resume_early(pdev);
+	if (dev->driver && pdrv->resume_early)
+		ret = pdrv->resume_early(pdev);
 
 	return ret;
 }

drivers/base/power/main.c

@@ -106,6 +106,50 @@ void device_pm_remove(struct device *dev)
 	mutex_unlock(&dpm_list_mtx);
 }
 
+/**
+ *	device_pm_move_before - move device in dpm_list
+ *	@deva:  Device to move in dpm_list
+ *	@devb:  Device @deva should come before
+ */
+void device_pm_move_before(struct device *deva, struct device *devb)
+{
+	pr_debug("PM: Moving %s:%s before %s:%s\n",
+		 deva->bus ? deva->bus->name : "No Bus",
+		 kobject_name(&deva->kobj),
+		 devb->bus ? devb->bus->name : "No Bus",
+		 kobject_name(&devb->kobj));
+	/* Delete deva from dpm_list and reinsert before devb. */
+	list_move_tail(&deva->power.entry, &devb->power.entry);
+}
+
+/**
+ *	device_pm_move_after - move device in dpm_list
+ *	@deva:  Device to move in dpm_list
+ *	@devb:  Device @deva should come after
+ */
+void device_pm_move_after(struct device *deva, struct device *devb)
+{
+	pr_debug("PM: Moving %s:%s after %s:%s\n",
+		 deva->bus ? deva->bus->name : "No Bus",
+		 kobject_name(&deva->kobj),
+		 devb->bus ? devb->bus->name : "No Bus",
+		 kobject_name(&devb->kobj));
+	/* Delete deva from dpm_list and reinsert after devb. */
+	list_move(&deva->power.entry, &devb->power.entry);
+}
+
+/**
+ * 	device_pm_move_last - move device to end of dpm_list
+ * 	@dev:   Device to move in dpm_list
+ */
+void device_pm_move_last(struct device *dev)
+{
+	pr_debug("PM: Moving %s:%s to end of list\n",
+		 dev->bus ? dev->bus->name : "No Bus",
+		 kobject_name(&dev->kobj));
+	list_move_tail(&dev->power.entry, &dpm_list);
+}
+
 /**
  *	pm_op - execute the PM operation appropiate for given PM event
  *	@dev:	Device.

drivers/base/power/power.h

@@ -18,11 +18,19 @@ static inline struct device *to_device(struct list_head *entry)
 
 extern void device_pm_add(struct device *);
 extern void device_pm_remove(struct device *);
+extern void device_pm_move_before(struct device *, struct device *);
+extern void device_pm_move_after(struct device *, struct device *);
+extern void device_pm_move_last(struct device *);
 
 #else /* CONFIG_PM_SLEEP */
 
 static inline void device_pm_add(struct device *dev) {}
 static inline void device_pm_remove(struct device *dev) {}
+static inline void device_pm_move_before(struct device *deva,
+					 struct device *devb) {}
+static inline void device_pm_move_after(struct device *deva,
+					struct device *devb) {}
+static inline void device_pm_move_last(struct device *dev) {}
 
 #endif
 

drivers/base/sys.c

@@ -30,10 +30,10 @@
 
 
 static ssize_t
-sysdev_show(struct kobject * kobj, struct attribute * attr, char * buffer)
+sysdev_show(struct kobject *kobj, struct attribute *attr, char *buffer)
 {
-	struct sys_device * sysdev = to_sysdev(kobj);
-	struct sysdev_attribute * sysdev_attr = to_sysdev_attr(attr);
+	struct sys_device *sysdev = to_sysdev(kobj);
+	struct sysdev_attribute *sysdev_attr = to_sysdev_attr(attr);
 
 	if (sysdev_attr->show)
 		return sysdev_attr->show(sysdev, sysdev_attr, buffer);
@@ -42,11 +42,11 @@ sysdev_show(struct kobject * kobj, struct attribute * attr, char * buffer)
 
 
 static ssize_t
-sysdev_store(struct kobject * kobj, struct attribute * attr,
-	     const char * buffer, size_t count)
+sysdev_store(struct kobject *kobj, struct attribute *attr,
+	     const char *buffer, size_t count)
 {
-	struct sys_device * sysdev = to_sysdev(kobj);
-	struct sysdev_attribute * sysdev_attr = to_sysdev_attr(attr);
+	struct sys_device *sysdev = to_sysdev(kobj);
+	struct sysdev_attribute *sysdev_attr = to_sysdev_attr(attr);
 
 	if (sysdev_attr->store)
 		return sysdev_attr->store(sysdev, sysdev_attr, buffer, count);
@@ -63,13 +63,13 @@ static struct kobj_type ktype_sysdev = {
 };
 
 
-int sysdev_create_file(struct sys_device * s, struct sysdev_attribute * a)
+int sysdev_create_file(struct sys_device *s, struct sysdev_attribute *a)
 {
 	return sysfs_create_file(&s->kobj, &a->attr);
 }
 
 
-void sysdev_remove_file(struct sys_device * s, struct sysdev_attribute * a)
+void sysdev_remove_file(struct sys_device *s, struct sysdev_attribute *a)
 {
 	sysfs_remove_file(&s->kobj, &a->attr);
 }
@@ -84,7 +84,7 @@ EXPORT_SYMBOL_GPL(sysdev_remove_file);
 static ssize_t sysdev_class_show(struct kobject *kobj, struct attribute *attr,
 				 char *buffer)
 {
-	struct sysdev_class * class = to_sysdev_class(kobj);
+	struct sysdev_class *class = to_sysdev_class(kobj);
 	struct sysdev_class_attribute *class_attr = to_sysdev_class_attr(attr);
 
 	if (class_attr->show)
@@ -95,8 +95,8 @@ static ssize_t sysdev_class_show(struct kobject *kobj, struct attribute *attr,
 static ssize_t sysdev_class_store(struct kobject *kobj, struct attribute *attr,
 				  const char *buffer, size_t count)
 {
-	struct sysdev_class * class = to_sysdev_class(kobj);
-	struct sysdev_class_attribute * class_attr = to_sysdev_class_attr(attr);
+	struct sysdev_class *class = to_sysdev_class(kobj);
+	struct sysdev_class_attribute *class_attr = to_sysdev_class_attr(attr);
 
 	if (class_attr->store)
 		return class_attr->store(class, buffer, count);
@@ -128,7 +128,7 @@ EXPORT_SYMBOL_GPL(sysdev_class_remove_file);
 
 static struct kset *system_kset;
 
-int sysdev_class_register(struct sysdev_class * cls)
+int sysdev_class_register(struct sysdev_class *cls)
 {
 	pr_debug("Registering sysdev class '%s'\n", cls->name);
 
@@ -141,7 +141,7 @@ int sysdev_class_register(struct sysdev_class * cls)
 	return kset_register(&cls->kset);
 }
 
-void sysdev_class_unregister(struct sysdev_class * cls)
+void sysdev_class_unregister(struct sysdev_class *cls)
 {
 	pr_debug("Unregistering sysdev class '%s'\n",
 		 kobject_name(&cls->kset.kobj));
@@ -203,8 +203,8 @@ int sysdev_driver_register(struct sysdev_class *cls, struct sysdev_driver *drv)
  *	@cls:	Class driver belongs to.
  *	@drv:	Driver.
  */
-void sysdev_driver_unregister(struct sysdev_class * cls,
-			      struct sysdev_driver * drv)
+void sysdev_driver_unregister(struct sysdev_class *cls,
+			      struct sysdev_driver *drv)
 {
 	mutex_lock(&sysdev_drivers_lock);
 	list_del_init(&drv->entry);
@@ -229,10 +229,10 @@ EXPORT_SYMBOL_GPL(sysdev_driver_unregister);
  *	@sysdev:	device in question
  *
  */
-int sysdev_register(struct sys_device * sysdev)
+int sysdev_register(struct sys_device *sysdev)
 {
 	int error;
-	struct sysdev_class * cls = sysdev->cls;
+	struct sysdev_class *cls = sysdev->cls;
 
 	if (!cls)
 		return -EINVAL;
@@ -252,7 +252,7 @@ int sysdev_register(struct sys_device * sysdev)
 				     sysdev->id);
 
 	if (!error) {
-		struct sysdev_driver * drv;
+		struct sysdev_driver *drv;
 
 		pr_debug("Registering sys device '%s'\n",
 			 kobject_name(&sysdev->kobj));
@@ -274,9 +274,9 @@ int sysdev_register(struct sys_device * sysdev)
 	return error;
 }
 
-void sysdev_unregister(struct sys_device * sysdev)
+void sysdev_unregister(struct sys_device *sysdev)
 {
-	struct sysdev_driver * drv;
+	struct sysdev_driver *drv;
 
 	mutex_lock(&sysdev_drivers_lock);
 	list_for_each_entry(drv, &sysdev->cls->drivers, entry) {
@@ -305,19 +305,19 @@ void sysdev_unregister(struct sys_device * sysdev)
  */
 void sysdev_shutdown(void)
 {
-	struct sysdev_class * cls;
+	struct sysdev_class *cls;
 
 	pr_debug("Shutting Down System Devices\n");
 
 	mutex_lock(&sysdev_drivers_lock);
 	list_for_each_entry_reverse(cls, &system_kset->list, kset.kobj.entry) {
-		struct sys_device * sysdev;
+		struct sys_device *sysdev;
 
 		pr_debug("Shutting down type '%s':\n",
 			 kobject_name(&cls->kset.kobj));
 
 		list_for_each_entry(sysdev, &cls->kset.list, kobj.entry) {
-			struct sysdev_driver * drv;
+			struct sysdev_driver *drv;
 			pr_debug(" %s\n", kobject_name(&sysdev->kobj));
 
 			/* Call auxillary drivers first */
@@ -364,7 +364,7 @@ static void __sysdev_resume(struct sys_device *dev)
  */
 int sysdev_suspend(pm_message_t state)
 {
-	struct sysdev_class * cls;
+	struct sysdev_class *cls;
 	struct sys_device *sysdev, *err_dev;
 	struct sysdev_driver *drv, *err_drv;
 	int ret;
@@ -442,12 +442,12 @@ EXPORT_SYMBOL_GPL(sysdev_suspend);
  */
 int sysdev_resume(void)
 {
-	struct sysdev_class * cls;
+	struct sysdev_class *cls;
 
 	pr_debug("Resuming System Devices\n");
 
 	list_for_each_entry(cls, &system_kset->list, kset.kobj.entry) {
-		struct sys_device * sysdev;
+		struct sys_device *sysdev;
 
 		pr_debug("Resuming type '%s':\n",
 			 kobject_name(&cls->kset.kobj));