110  * @drv: Driver we're iterating.
115  * Iterate over the @drv's list of devices calling @fn for each one.
117 int driver_for_each_device(struct device_driver *drv, struct device *start,  in driver_for_each_device()  argument
124 	if (!drv)  in driver_for_each_device()
127 	klist_iter_init_node(&drv->p->klist_devices, &i,  in driver_for_each_device()
138  * @drv: The device's driver
151 struct device *driver_find_device(const struct device_driver *drv,  in driver_find_device()  argument
158 	if (!drv || !drv->p)  in driver_find_device()
161 	klist_iter_init_node(&drv->p->klist_devices, &i,  in driver_find_device()
176  * @drv: driver.
179 int driver_create_file(const struct device_driver *drv,  in driver_create_file()  argument
184 	if (drv)  in driver_create_file()
185 		error = sysfs_create_file(&drv->p->kobj, &attr->attr);  in driver_create_file()
194  * @drv: driver.
197 void driver_remove_file(const struct device_driver *drv,  in driver_remove_file()  argument
200 	if (drv)  in driver_remove_file()
201 		sysfs_remove_file(&drv->p->kobj, &attr->attr);  in driver_remove_file()
205 int driver_add_groups(const struct device_driver *drv,  in driver_add_groups()  argument
208 	return sysfs_create_groups(&drv->p->kobj, groups);  in driver_add_groups()
211 void driver_remove_groups(const struct device_driver *drv,  in driver_remove_groups()  argument
214 	sysfs_remove_groups(&drv->p->kobj, groups);  in driver_remove_groups()
219  * @drv: driver to register
225 int driver_register(struct device_driver *drv)  in driver_register()  argument
230 	if (!bus_is_registered(drv->bus)) {  in driver_register()
232 			   drv->name, drv->bus->name);  in driver_register()
236 	if ((drv->bus->probe && drv->probe) ||  in driver_register()
237 	    (drv->bus->remove && drv->remove) ||  in driver_register()
238 	    (drv->bus->shutdown && drv->shutdown))  in driver_register()
240 			"bus_type methods\n", drv->name);  in driver_register()
242 	other = driver_find(drv->name, drv->bus);  in driver_register()
245 			"aborting...\n", drv->name);  in driver_register()
249 	ret = bus_add_driver(drv);  in driver_register()
252 	ret = driver_add_groups(drv, drv->groups);  in driver_register()
254 		bus_remove_driver(drv);  in driver_register()
257 	kobject_uevent(&drv->p->kobj, KOBJ_ADD);  in driver_register()
266  * @drv: driver.
270 void driver_unregister(struct device_driver *drv)  in driver_unregister()  argument
272 	if (!drv || !drv->p) {  in driver_unregister()
276 	driver_remove_groups(drv, drv->groups);  in driver_unregister()
277 	bus_remove_driver(drv);  in driver_unregister()