uct list_head class_interfaces;
059 struct kset class_dirs;
060 struct mutex class_mutex;
061 struct class *class;
062 };
063 #define to_class(obj) \
064 container_of(obj, struct class_private, class_subsys.kobj)
065
066 /**
067 * struct device_private - structure to hold the private to the driver core portions of the device structure.
068 *
069 * @klist_children - klist containing all children of this device
070 * @knode_parent - node in sibling list
071 * @knode_driver - node in driver list
072 * @knode_bus - node in bus list
073 * @driver_data - private pointer for driver specific info. Will turn into a
074 * list soon.
075 * @device - pointer back to the struct class that this structure is
076 * associated with.
077 *
078 * Nothing outside of the driver core should ever touch these fields.
079 */
080 struct device_private {
081 struct klist klist_children;
082 struct klist_node knode_parent;
083 struct klist_node knode_driver;
084 struct klist_node knode_bus;
085 void *driver_data;
086 struct device *device;
087 };
088 #define to_device_private_parent(obj) \
089 container_of(obj, struct device_private, knode_parent)
090 #define to_device_private_driver(obj) \
091 container_of(obj, struct device_private, knode_driver)
092 #define to_device_private_bus(obj) \
093 container_of(obj, struct device_private, knode_bus)
094
095 extern int device_private_init(struct device *dev);
096
097 /* initialisation functions */
098 extern int devices_init(void);
099 extern int buses_init(void);
100 extern int classes_init(void);
101 extern int firmware_init(void);
102 #ifdef CONFIG_SYS_HYPERVISOR
103 extern int hypervisor_init(void);
104 #else
105 static inline int hypervisor_init(void) { return 0; }
106 #endif
107 extern int platform_bus_init(void);
108 extern int system_bus_init(void);
109 extern int cpu_dev_init(void);
110
111 extern int bus_add_device(struct device *dev);
112 extern void bus_probe_device(struct device *dev);
113 extern void bus_remove_device(struct device *dev);
114
115 extern int bus_add_driver(struct device_driver *drv);
116 extern void bus_remove_driver(struct device_driver *drv);
117
118 extern void driver_detach(struct device_driver *drv);
119 extern int driver_probe_device(struct device_driver *drv, struct device *dev);
120 static inline int driver_match_device(struct device_driver *drv,
121 struct device *dev)
122 {
123 return drv->bus->match drv->bus->match(dev, drv) : 1;
124 }
125
126 extern void sysdev_shutdown(void);
127
128 extern char *make_class_name(const char *name, struct kobject *kobj);
129
130 extern int devres_release_all(struct device *dev);
131
132 extern struct kset *devices_kset;
133
134 #if defined(CONFIG_MODULES) && defined(CONFIG_SYSFS)
135 extern void module_add_driver(struct module *mod, struct device_driver *drv);
136 extern void module_remove_driver(struct device_driver *drv);
137 #else
138 static inline void module_add_driver(struct module *mod,
139 struct device_driver *drv) { }
140 static inline void module_remove_driver(struct device_driver *drv) { }
141 #endif
142
143 #ifdef CONFIG_DEVTMPFS
144 extern int devtmpfs_init(void);
145 #else
146 static inline int devtmpfs_init(void) { return 0; }
147 #endif
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