1 2 /** 3 * struct bus_type_private - structure to hold the private to the driver core portions of the bus_type structure. 4 * 5 * @subsys - the struct kset that defines this bus. This is the main kobject 6 * @drivers_kset - the list of drivers associated with this bus 7 * @devices_kset - the list of devices associated with this bus 8 * @klist_devices - the klist to iterate over the @devices_kset 9 * @klist_drivers - the klist to iterate over the @drivers_kset 10 * @bus_notifier - the bus notifier list for anything that cares about things 11 * on this bus. 12 * @bus - pointer back to the struct bus_type that this structure is associated 13 * with. 14 * 15 * This structure is the one that is the actual kobject allowing struct 16 * bus_type to be statically allocated safely. Nothing outside of the driver 17 * core should ever touch these fields. 18 */ 19 struct bus_type_private { 20 struct kset subsys; 21 struct kset *drivers_kset; 22 struct kset *devices_kset; 23 struct klist klist_devices; 24 struct klist klist_drivers; 25 struct blocking_notifier_head bus_notifier; 26 unsigned int drivers_autoprobe:1; 27 struct bus_type *bus; 28 }; 29 30 31 /* initialisation functions */ 32 extern int devices_init(void); 33 extern int buses_init(void); 34 extern int classes_init(void); 35 extern int firmware_init(void); 36 #ifdef CONFIG_SYS_HYPERVISOR 37 extern int hypervisor_init(void); 38 #else 39 static inline int hypervisor_init(void) { return 0; } 40 #endif 41 extern int platform_bus_init(void); 42 extern int system_bus_init(void); 43 extern int cpu_dev_init(void); 44 extern int attribute_container_init(void); 45 46 extern int bus_add_device(struct device * dev); 47 extern void bus_attach_device(struct device * dev); 48 extern void bus_remove_device(struct device * dev); 49 50 extern int bus_add_driver(struct device_driver *); 51 extern void bus_remove_driver(struct device_driver *); 52 53 extern void driver_detach(struct device_driver * drv); 54 extern int driver_probe_device(struct device_driver *, struct device *); 55 56 extern void sysdev_shutdown(void); 57 extern int sysdev_suspend(pm_message_t state); 58 extern int sysdev_resume(void); 59 60 static inline struct class_device *to_class_dev(struct kobject *obj) 61 { 62 return container_of(obj, struct class_device, kobj); 63 } 64 65 static inline 66 struct class_device_attribute *to_class_dev_attr(struct attribute *_attr) 67 { 68 return container_of(_attr, struct class_device_attribute, attr); 69 } 70 71 extern char *make_class_name(const char *name, struct kobject *kobj); 72 73 extern int devres_release_all(struct device *dev); 74 75 extern struct kset *devices_kset; 76