Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: (75 commits)
  PM: merge device power-management source files
  sysfs: add copyrights
  kobject: update the copyrights
  kset: add some kerneldoc to help describe what these strange things are
  Driver core: rename ktype_edd and ktype_efivar
  Driver core: rename ktype_driver
  Driver core: rename ktype_device
  Driver core: rename ktype_class
  driver core: remove subsystem_init()
  sysfs: move sysfs file poll implementation to sysfs_open_dirent
  sysfs: implement sysfs_open_dirent
  sysfs: move sysfs_dirent->s_children into sysfs_dirent->s_dir
  sysfs: make sysfs_root a regular directory dirent
  sysfs: open code sysfs_attach_dentry()
  sysfs: make s_elem an anonymous union
  sysfs: make bin attr open get active reference of parent too
  sysfs: kill unnecessary NULL pointer check in sysfs_release()
  sysfs: kill unnecessary sysfs_get() in open paths
  sysfs: reposition sysfs_dirent->s_mode.
  sysfs: kill sysfs_update_file()
  ...

8 files changed, 139 insertions, 191 deletions

diff --git a/include/asm-powerpc/of_device.h b/include/asm-powerpc/of_device.h
index ec2a8a2c737c..93262f2546ad 100644
--- a/include/asm-powerpc/of_device.h
+++ b/include/asm-powerpc/of_device.h
@@ -20,7 +20,7 @@ struct of_device
 extern ssize_t of_device_get_modalias(struct of_device *ofdev,
 					char *str, ssize_t len);
 extern int of_device_uevent(struct device *dev,
-	char **envp, int num_envp, char *buffer, int buffer_size);
+			    struct kobj_uevent_env *env);
 
 /* This is just here during the transition */
 #include <linux/of_device.h>
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index 104e51e20e14..f592d6de3b97 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -49,6 +49,12 @@ struct dentry *debugfs_create_u32(const char *name, mode_t mode,
 				  struct dentry *parent, u32 *value);
 struct dentry *debugfs_create_u64(const char *name, mode_t mode,
 				  struct dentry *parent, u64 *value);
+struct dentry *debugfs_create_x8(const char *name, mode_t mode,
+				 struct dentry *parent, u8 *value);
+struct dentry *debugfs_create_x16(const char *name, mode_t mode,
+				  struct dentry *parent, u16 *value);
+struct dentry *debugfs_create_x32(const char *name, mode_t mode,
+				  struct dentry *parent, u32 *value);
 struct dentry *debugfs_create_bool(const char *name, mode_t mode,
 				  struct dentry *parent, u32 *value);
 
@@ -122,6 +128,27 @@ static inline struct dentry *debugfs_create_u64(const char *name, mode_t mode,
 	return ERR_PTR(-ENODEV);
 }
 
+static inline struct dentry *debugfs_create_x8(const char *name, mode_t mode,
+					       struct dentry *parent,
+					       u8 *value)
+{
+	return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_x16(const char *name, mode_t mode,
+						struct dentry *parent,
+						u16 *value)
+{
+	return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_x32(const char *name, mode_t mode,
+						struct dentry *parent,
+						u32 *value)
+{
+	return ERR_PTR(-ENODEV);
+}
+
 static inline struct dentry *debugfs_create_bool(const char *name, mode_t mode,
 						 struct dentry *parent,
 						 u32 *value)
diff --git a/include/linux/device.h b/include/linux/device.h
index 3a38d1f70cb7..2e15822fe409 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -64,12 +64,9 @@ struct bus_type {
 	struct bus_attribute	* bus_attrs;
 	struct device_attribute	* dev_attrs;
 	struct driver_attribute	* drv_attrs;
-	struct bus_attribute drivers_autoprobe_attr;
-	struct bus_attribute drivers_probe_attr;
 
 	int		(*match)(struct device * dev, struct device_driver * drv);
-	int		(*uevent)(struct device *dev, char **envp,
-				  int num_envp, char *buffer, int buffer_size);
+	int		(*uevent)(struct device *dev, struct kobj_uevent_env *env);
 	int		(*probe)(struct device * dev);
 	int		(*remove)(struct device * dev);
 	void		(*shutdown)(struct device * dev);
@@ -189,10 +186,8 @@ struct class {
 	struct class_device_attribute	* class_dev_attrs;
 	struct device_attribute		* dev_attrs;
 
-	int	(*uevent)(struct class_device *dev, char **envp,
-			   int num_envp, char *buffer, int buffer_size);
-	int	(*dev_uevent)(struct device *dev, char **envp, int num_envp,
-				char *buffer, int buffer_size);
+	int	(*uevent)(struct class_device *dev, struct kobj_uevent_env *env);
+	int	(*dev_uevent)(struct device *dev, struct kobj_uevent_env *env);
 
 	void	(*release)(struct class_device *dev);
 	void	(*class_release)(struct class *class);
@@ -268,8 +263,7 @@ struct class_device {
 	struct attribute_group  ** groups;	/* optional groups */
 
 	void	(*release)(struct class_device *dev);
-	int	(*uevent)(struct class_device *dev, char **envp,
-			   int num_envp, char *buffer, int buffer_size);
+	int	(*uevent)(struct class_device *dev, struct kobj_uevent_env *env);
 	char	class_id[BUS_ID_SIZE];	/* unique to this class */
 };
 
@@ -337,8 +331,7 @@ extern void class_device_destroy(struct class *cls, dev_t devt);
 struct device_type {
 	const char *name;
 	struct attribute_group **groups;
-	int (*uevent)(struct device *dev, char **envp, int num_envp,
-		      char *buffer, int buffer_size);
+	int (*uevent)(struct device *dev, struct kobj_uevent_env *env);
 	void (*release)(struct device *dev);
 	int (*suspend)(struct device * dev, pm_message_t state);
 	int (*resume)(struct device * dev);
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 949706c33622..4a0d27f475d7 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -1,8 +1,10 @@
 /*
  * kobject.h - generic kernel object infrastructure.
  *
- * Copyright (c) 2002-2003	Patrick Mochel
- * Copyright (c) 2002-2003	Open Source Development Labs
+ * Copyright (c) 2002-2003 Patrick Mochel
+ * Copyright (c) 2002-2003 Open Source Development Labs
+ * Copyright (c) 2006-2007 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (c) 2006-2007 Novell Inc.
  *
  * This file is released under the GPLv2.
  *
@@ -29,6 +31,8 @@
 
 #define KOBJ_NAME_LEN			20
 #define UEVENT_HELPER_PATH_LEN		256
+#define UEVENT_NUM_ENVP			32	/* number of env pointers */
+#define UEVENT_BUFFER_SIZE		2048	/* buffer for the variables */
 
 /* path to the userspace helper executed on an event */
 extern char uevent_helper[];
@@ -56,19 +60,14 @@ enum kobject_action {
 	KOBJ_MAX
 };
 
-/* The list of strings defining the valid kobject actions as specified above */
-extern const char *kobject_actions[];
-
 struct kobject {
 	const char		* k_name;
-	char			name[KOBJ_NAME_LEN];
 	struct kref		kref;
 	struct list_head	entry;
 	struct kobject		* parent;
 	struct kset		* kset;
 	struct kobj_type	* ktype;
 	struct sysfs_dirent	* sd;
-	wait_queue_head_t	poll;
 };
 
 extern int kobject_set_name(struct kobject *, const char *, ...)
@@ -83,14 +82,9 @@ extern void kobject_init(struct kobject *);
 extern void kobject_cleanup(struct kobject *);
 
 extern int __must_check kobject_add(struct kobject *);
-extern int __must_check kobject_shadow_add(struct kobject *kobj,
-					   struct sysfs_dirent *shadow_parent);
 extern void kobject_del(struct kobject *);
 
 extern int __must_check kobject_rename(struct kobject *, const char *new_name);
-extern int __must_check kobject_shadow_rename(struct kobject *kobj,
-					      struct sysfs_dirent *new_parent,
-					      const char *new_name);
 extern int __must_check kobject_move(struct kobject *, struct kobject *);
 
 extern int __must_check kobject_register(struct kobject *);
@@ -111,36 +105,44 @@ struct kobj_type {
 	struct attribute	** default_attrs;
 };
 
+struct kobj_uevent_env {
+	char *envp[UEVENT_NUM_ENVP];
+	int envp_idx;
+	char buf[UEVENT_BUFFER_SIZE];
+	int buflen;
+};
+
 struct kset_uevent_ops {
 	int (*filter)(struct kset *kset, struct kobject *kobj);
 	const char *(*name)(struct kset *kset, struct kobject *kobj);
-	int (*uevent)(struct kset *kset, struct kobject *kobj, char **envp,
-			int num_envp, char *buffer, int buffer_size);
+	int (*uevent)(struct kset *kset, struct kobject *kobj,
+		      struct kobj_uevent_env *env);
 };
 
-/*
- *	struct kset - a set of kobjects of a specific type, belonging
- *	to a specific subsystem.
- *
- *	All kobjects of a kset should be embedded in an identical 
- *	type. This type may have a descriptor, which the kset points
- *	to. This allows there to exist sets of objects of the same
- *	type in different subsystems.
+/**
+ * struct kset - a set of kobjects of a specific type, belonging to a specific subsystem.
  *
- *	A subsystem does not have to be a list of only one type 
- *	of object; multiple ksets can belong to one subsystem. All 
- *	ksets of a subsystem share the subsystem's lock.
+ * A kset defines a group of kobjects.  They can be individually
+ * different "types" but overall these kobjects all want to be grouped
+ * together and operated on in the same manner.  ksets are used to
+ * define the attribute callbacks and other common events that happen to
+ * a kobject.
  *
- *	Each kset can support specific event variables; it can
- *	supress the event generation or add subsystem specific
- *	variables carried with the event.
+ * @ktype: the struct kobj_type for this specific kset
+ * @list: the list of all kobjects for this kset
+ * @list_lock: a lock for iterating over the kobjects
+ * @kobj: the embedded kobject for this kset (recursion, isn't it fun...)
+ * @uevent_ops: the set of uevent operations for this kset.  These are
+ * called whenever a kobject has something happen to it so that the kset
+ * can add new environment variables, or filter out the uevents if so
+ * desired.
  */
 struct kset {
-	struct kobj_type	* ktype;
+	struct kobj_type	*ktype;
 	struct list_head	list;
 	spinlock_t		list_lock;
 	struct kobject		kobj;
-	struct kset_uevent_ops	* uevent_ops;
+	struct kset_uevent_ops	*uevent_ops;
 };
 
 
@@ -179,18 +181,18 @@ extern struct kobject * kset_find_obj(struct kset *, const char *);
  * Use this when initializing an embedded kset with no other 
  * fields to initialize.
  */
-#define set_kset_name(str)	.kset = { .kobj = { .name = str } }
+#define set_kset_name(str)	.kset = { .kobj = { .k_name = str } }
 
 
 #define decl_subsys(_name,_type,_uevent_ops) \
 struct kset _name##_subsys = { \
-	.kobj = { .name = __stringify(_name) }, \
+	.kobj = { .k_name = __stringify(_name) }, \
 	.ktype = _type, \
 	.uevent_ops =_uevent_ops, \
 }
 #define decl_subsys_name(_varname,_name,_type,_uevent_ops) \
 struct kset _varname##_subsys = { \
-	.kobj = { .name = __stringify(_name) }, \
+	.kobj = { .k_name = __stringify(_name) }, \
 	.ktype = _type, \
 	.uevent_ops =_uevent_ops, \
 }
@@ -218,49 +220,9 @@ extern struct kset hypervisor_subsys;
 #define kobj_set_kset_s(obj,subsys) \
 	(obj)->kobj.kset = &(subsys)
 
-/**
- *	kset_set_kset_s(obj,subsys) - set kset for embedded kset.
- *	@obj:		ptr to some object type.
- *	@subsys:	a subsystem object (not a ptr).
- *
- *	Can be used for any object type with an embedded ->kset.
- *	Sets the kset of @obj's  embedded kobject (via its embedded
- *	kset) to @subsys.kset. This makes @obj a member of that 
- *	kset.
- */
-
-#define kset_set_kset_s(obj,subsys) \
-	(obj)->kset.kobj.kset = &(subsys)
-
-/**
- *	subsys_set_kset(obj,subsys) - set kset for subsystem
- *	@obj:		ptr to some object type.
- *	@_subsys:	a subsystem object (not a ptr).
- *
- *	Can be used for any object type with an embedded ->subsys.
- *	Sets the kset of @obj's kobject to @subsys.kset. This makes
- *	the object a member of that kset.
- */
-
-#define subsys_set_kset(obj,_subsys) \
-	(obj)->subsys.kobj.kset = &(_subsys)
-
-extern void subsystem_init(struct kset *);
 extern int __must_check subsystem_register(struct kset *);
 extern void subsystem_unregister(struct kset *);
 
-static inline struct kset *subsys_get(struct kset *s)
-{
-	if (s)
-		return kset_get(s);
-	return NULL;
-}
-
-static inline void subsys_put(struct kset *s)
-{
-	kset_put(s);
-}
-
 struct subsys_attribute {
 	struct attribute attr;
 	ssize_t (*show)(struct kset *, char *);
@@ -275,10 +237,11 @@ int kobject_uevent(struct kobject *kobj, enum kobject_action action);
 int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
 			char *envp[]);
 
-int add_uevent_var(char **envp, int num_envp, int *cur_index,
-			char *buffer, int buffer_size, int *cur_len,
-			const char *format, ...)
-	__attribute__((format (printf, 7, 8)));
+int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...)
+	__attribute__((format (printf, 2, 3)));
+
+int kobject_action_type(const char *buf, size_t count,
+			enum kobject_action *type);
 #else
 static inline int kobject_uevent(struct kobject *kobj, enum kobject_action action)
 { return 0; }
@@ -287,10 +250,12 @@ static inline int kobject_uevent_env(struct kobject *kobj,
 				      char *envp[])
 { return 0; }
 
-static inline int add_uevent_var(char **envp, int num_envp, int *cur_index,
-				      char *buffer, int buffer_size, int *cur_len, 
-				      const char *format, ...)
+static inline int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...)
 { return 0; }
+
+static inline int kobject_action_type(const char *buf, size_t count,
+			enum kobject_action *type)
+{ return -EINVAL; }
 #endif
 
 #endif /* __KERNEL__ */
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 8bbd459eafdc..e80804316cdb 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -15,7 +15,7 @@
 
 struct platform_device {
 	const char	* name;
-	u32		id;
+	int		id;
 	struct device	dev;
 	u32		num_resources;
 	struct resource	* resource;
@@ -35,9 +35,10 @@ extern struct resource *platform_get_resource_byname(struct platform_device *, u
 extern int platform_get_irq_byname(struct platform_device *, char *);
 extern int platform_add_devices(struct platform_device **, int);
 
-extern struct platform_device *platform_device_register_simple(char *, unsigned int, struct resource *, unsigned int);
+extern struct platform_device *platform_device_register_simple(char *, int id,
+					struct resource *, unsigned int);
 
-extern struct platform_device *platform_device_alloc(const char *name, unsigned int id);
+extern struct platform_device *platform_device_alloc(const char *name, int id);
 extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num);
 extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size);
 extern int platform_device_add(struct platform_device *pdev);
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index be8228e50a27..149ab62329e2 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -3,6 +3,8 @@
  *
  * Copyright (c) 2001,2002 Patrick Mochel
  * Copyright (c) 2004 Silicon Graphics, Inc.
+ * Copyright (c) 2007 SUSE Linux Products GmbH
+ * Copyright (c) 2007 Tejun Heo <teheo@suse.de>
  *
  * Please see Documentation/filesystems/sysfs.txt for more information.
  */
@@ -17,23 +19,20 @@
 
 struct kobject;
 struct module;
-struct nameidata;
-struct dentry;
-struct sysfs_dirent;
 
 /* FIXME
  * The *owner field is no longer used, but leave around
  * until the tree gets cleaned up fully.
  */
 struct attribute {
-	const char		* name;
-	struct module		* owner;
+	const char		*name;
+	struct module		*owner;
 	mode_t			mode;
 };
 
 struct attribute_group {
-	const char		* name;
-	struct attribute	** attrs;
+	const char		*name;
+	struct attribute	**attrs;
 };
 
 
@@ -77,72 +76,41 @@ struct sysfs_ops {
 	ssize_t	(*store)(struct kobject *,struct attribute *,const char *, size_t);
 };
 
-#define SYSFS_TYPE_MASK		0x00ff
-#define SYSFS_ROOT		0x0001
-#define SYSFS_DIR		0x0002
-#define SYSFS_KOBJ_ATTR 	0x0004
-#define SYSFS_KOBJ_BIN_ATTR	0x0008
-#define SYSFS_KOBJ_LINK 	0x0020
-#define SYSFS_COPY_NAME		(SYSFS_DIR | SYSFS_KOBJ_LINK)
-
-#define SYSFS_FLAG_MASK		~SYSFS_TYPE_MASK
-#define SYSFS_FLAG_REMOVED	0x0100
-
 #ifdef CONFIG_SYSFS
 
-extern int sysfs_schedule_callback(struct kobject *kobj,
-		void (*func)(void *), void *data, struct module *owner);
-
-extern int __must_check
-sysfs_create_dir(struct kobject *kobj, struct sysfs_dirent *shadow_parent_sd);
-
-extern void
-sysfs_remove_dir(struct kobject *);
-
-extern int __must_check
-sysfs_rename_dir(struct kobject *kobj, struct sysfs_dirent *new_parent_sd,
-		 const char *new_name);
-
-extern int __must_check
-sysfs_move_dir(struct kobject *, struct kobject *);
-
-extern int __must_check
-sysfs_create_file(struct kobject *, const struct attribute *);
+int sysfs_schedule_callback(struct kobject *kobj, void (*func)(void *),
+			    void *data, struct module *owner);
 
-extern int __must_check
-sysfs_update_file(struct kobject *, const struct attribute *);
+int __must_check sysfs_create_dir(struct kobject *kobj);
+void sysfs_remove_dir(struct kobject *kobj);
+int __must_check sysfs_rename_dir(struct kobject *kobj, const char *new_name);
+int __must_check sysfs_move_dir(struct kobject *kobj,
+				struct kobject *new_parent_kobj);
 
-extern int __must_check
-sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, mode_t mode);
-
-extern void
-sysfs_remove_file(struct kobject *, const struct attribute *);
-
-extern int __must_check
-sysfs_create_link(struct kobject * kobj, struct kobject * target, const char * name);
-
-extern void
-sysfs_remove_link(struct kobject *, const char * name);
+int __must_check sysfs_create_file(struct kobject *kobj,
+				   const struct attribute *attr);
+int __must_check sysfs_chmod_file(struct kobject *kobj, struct attribute *attr,
+				  mode_t mode);
+void sysfs_remove_file(struct kobject *kobj, const struct attribute *attr);
 
 int __must_check sysfs_create_bin_file(struct kobject *kobj,
-					struct bin_attribute *attr);
+				       struct bin_attribute *attr);
 void sysfs_remove_bin_file(struct kobject *kobj, struct bin_attribute *attr);
 
-int __must_check sysfs_create_group(struct kobject *,
-					const struct attribute_group *);
-void sysfs_remove_group(struct kobject *, const struct attribute_group *);
+int __must_check sysfs_create_link(struct kobject *kobj, struct kobject *target,
+				   const char *name);
+void sysfs_remove_link(struct kobject *kobj, const char *name);
+
+int __must_check sysfs_create_group(struct kobject *kobj,
+				    const struct attribute_group *grp);
+void sysfs_remove_group(struct kobject *kobj,
+			const struct attribute_group *grp);
 int sysfs_add_file_to_group(struct kobject *kobj,
-		const struct attribute *attr, const char *group);
+			const struct attribute *attr, const char *group);
 void sysfs_remove_file_from_group(struct kobject *kobj,
-		const struct attribute *attr, const char *group);
-
-void sysfs_notify(struct kobject * k, char *dir, char *attr);
-
+			const struct attribute *attr, const char *group);
 
-extern int sysfs_make_shadowed_dir(struct kobject *kobj,
-	void * (*follow_link)(struct dentry *, struct nameidata *));
-extern struct sysfs_dirent *sysfs_create_shadow_dir(struct kobject *kobj);
-extern void sysfs_remove_shadow_dir(struct sysfs_dirent *shadow_sd);
+void sysfs_notify(struct kobject *kobj, char *dir, char *attr);
 
 extern int __must_check sysfs_init(void);
 
@@ -154,75 +122,76 @@ static inline int sysfs_schedule_callback(struct kobject *kobj,
 	return -ENOSYS;
 }
 
-static inline int sysfs_create_dir(struct kobject *kobj,
-				   struct sysfs_dirent *shadow_parent_sd)
+static inline int sysfs_create_dir(struct kobject *kobj)
 {
 	return 0;
 }
 
-static inline void sysfs_remove_dir(struct kobject * k)
+static inline void sysfs_remove_dir(struct kobject *kobj)
 {
 	;
 }
 
-static inline int sysfs_rename_dir(struct kobject *kobj,
-				   struct sysfs_dirent *new_parent_sd,
-				   const char *new_name)
+static inline int sysfs_rename_dir(struct kobject *kobj, const char *new_name)
 {
 	return 0;
 }
 
-static inline int sysfs_move_dir(struct kobject * k, struct kobject * new_parent)
+static inline int sysfs_move_dir(struct kobject *kobj,
+				 struct kobject *new_parent_kobj)
 {
 	return 0;
 }
 
-static inline int sysfs_create_file(struct kobject * k, const struct attribute * a)
+static inline int sysfs_create_file(struct kobject *kobj,
+				    const struct attribute *attr)
 {
 	return 0;
 }
 
-static inline int sysfs_update_file(struct kobject * k, const struct attribute * a)
-{
-	return 0;
-}
-static inline int sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, mode_t mode)
+static inline int sysfs_chmod_file(struct kobject *kobj,
+				   struct attribute *attr, mode_t mode)
 {
 	return 0;
 }
 
-static inline void sysfs_remove_file(struct kobject * k, const struct attribute * a)
+static inline void sysfs_remove_file(struct kobject *kobj,
+				     const struct attribute *attr)
 {
 	;
 }
 
-static inline int sysfs_create_link(struct kobject * k, struct kobject * t, const char * n)
+static inline int sysfs_create_bin_file(struct kobject *kobj,
+					struct bin_attribute *attr)
 {
 	return 0;
 }
 
-static inline void sysfs_remove_link(struct kobject * k, const char * name)
+static inline int sysfs_remove_bin_file(struct kobject *kobj,
+					struct bin_attribute *attr)
 {
-	;
+	return 0;
 }
 
-
-static inline int sysfs_create_bin_file(struct kobject * k, struct bin_attribute * a)
+static inline int sysfs_create_link(struct kobject *kobj,
+				    struct kobject *target, const char *name)
 {
 	return 0;
 }
 
-static inline int sysfs_remove_bin_file(struct kobject * k, struct bin_attribute * a)
+static inline void sysfs_remove_link(struct kobject *kobj, const char *name)
 {
-	return 0;
+	;
 }
 
-static inline int sysfs_create_group(struct kobject * k, const struct attribute_group *g)
+static inline int sysfs_create_group(struct kobject *kobj,
+				     const struct attribute_group *grp)
 {
 	return 0;
 }
 
-static inline void sysfs_remove_group(struct kobject * k, const struct attribute_group * g)
+static inline void sysfs_remove_group(struct kobject *kobj,
+				      const struct attribute_group *grp)
 {
 	;
 }
@@ -238,14 +207,8 @@ static inline void sysfs_remove_file_from_group(struct kobject *kobj,
 {
 }
 
-static inline void sysfs_notify(struct kobject * k, char *dir, char *attr)
-{
-}
-
-static inline int sysfs_make_shadowed_dir(struct kobject *kobj,
-	void * (*follow_link)(struct dentry *, struct nameidata *))
+static inline void sysfs_notify(struct kobject *kobj, char *dir, char *attr)
 {
-	return 0;
 }
 
 static inline int __must_check sysfs_init(void)
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 6570719eafdf..60478f6e5dc6 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -21,7 +21,6 @@
  * (Note: the *_driver.minor_start values 1, 64, 128, 192 are
  * hardcoded at present.)
  */
-#define NR_PTYS	CONFIG_LEGACY_PTY_COUNT   /* Number of legacy ptys */
 #define NR_UNIX98_PTY_DEFAULT	4096      /* Default maximum for Unix98 ptys */
 #define NR_UNIX98_PTY_MAX	(1 << MINORBITS) /* Absolute limit */
 #define NR_LDISCS		17
diff --git a/include/linux/video_output.h b/include/linux/video_output.h
index e63e0c03ee0d..2fb46bc9340d 100644
--- a/include/linux/video_output.h
+++ b/include/linux/video_output.h
@@ -31,9 +31,9 @@ struct output_properties {
 struct output_device {
 	int request_state;
 	struct output_properties *props;
-	struct class_device class_dev;
+	struct device dev;
 };
-#define to_output_device(obj) container_of(obj, struct output_device, class_dev)
+#define to_output_device(obj) container_of(obj, struct output_device, dev)
 struct output_device *video_output_register(const char *name,
 	struct device *dev,
 	void *devdata,