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 struct driver_private { 31 struct kobject kobj; 32 struct klist klist_devices; 33 struct klist_node knode_bus; 34 struct module_kobject *mkobj; 35 struct device_driver *driver; 36 }; 37 #define to_driver(obj) container_of(obj, struct driver_private, kobj) 38 39 /* initialisation functions */ 40 extern int devices_init(void); 41 extern int buses_init(void); 42 extern int classes_init(void); 43 extern int firmware_init(void); 44 #ifdef CONFIG_SYS_HYPERVISOR 45 extern int hypervisor_init(void); 46 #else 47 static inline int hypervisor_init(void) { return 0; } 48 #endif 49 extern int platform_bus_init(void); 50 extern int system_bus_init(void); 51 extern int cpu_dev_init(void); 52 53 extern int bus_add_device(struct device *dev); 54 extern void bus_attach_device(struct device *dev); 55 extern void bus_remove_device(struct device *dev); 56 57 extern int bus_add_driver(struct device_driver *drv); 58 extern void bus_remove_driver(struct device_driver *drv); 59 60 extern void driver_detach(struct device_driver *drv); 61 extern int driver_probe_device(struct device_driver *drv, struct device *dev); 62 63 extern void sysdev_shutdown(void); 64 extern int sysdev_suspend(pm_message_t state); 65 extern int sysdev_resume(void); 66 67 extern char *make_class_name(const char *name, struct kobject *kobj); 68 69 extern int devres_release_all(struct device *dev); 70 71 extern struct kset *devices_kset; 72 73 #if defined(CONFIG_MODULES) && defined(CONFIG_SYSFS) 74 extern void module_add_driver(struct module *mod, struct device_driver *drv); 75 extern void module_remove_driver(struct device_driver *drv); 76 #else 77 static inline void module_add_driver(struct module *mod, 78 struct device_driver *drv) { } 79 static inline void module_remove_driver(struct device_driver *drv) { } 80 #endif 81