35  * @drv: Driver we're iterating.
40  * Iterate over the @drv's list of devices calling @fn for each one.
42 int driver_for_each_device(struct device_driver *drv, struct device *start,  in driver_for_each_device()  argument
49 	if (!drv)  in driver_for_each_device()
52 	klist_iter_init_node(&drv->p->klist_devices, &i,  in driver_for_each_device()
63  * @drv: The device's driver
76 struct device *driver_find_device(struct device_driver *drv,  in driver_find_device()  argument
83 	if (!drv || !drv->p)  in driver_find_device()
86 	klist_iter_init_node(&drv->p->klist_devices, &i,  in driver_find_device()
98  * @drv: driver.
101 int driver_create_file(struct device_driver *drv,  in driver_create_file()  argument
106 	if (drv)  in driver_create_file()
107 		error = sysfs_create_file(&drv->p->kobj, &attr->attr);  in driver_create_file()
116  * @drv: driver.
119 void driver_remove_file(struct device_driver *drv,  in driver_remove_file()  argument
122 	if (drv)  in driver_remove_file()
123 		sysfs_remove_file(&drv->p->kobj, &attr->attr);  in driver_remove_file()
127 int driver_add_groups(struct device_driver *drv,  in driver_add_groups()  argument
130 	return sysfs_create_groups(&drv->p->kobj, groups);  in driver_add_groups()
133 void driver_remove_groups(struct device_driver *drv,  in driver_remove_groups()  argument
136 	sysfs_remove_groups(&drv->p->kobj, groups);  in driver_remove_groups()
141  * @drv: driver to register
147 int driver_register(struct device_driver *drv)  in driver_register()  argument
152 	if (!drv->bus->p) {  in driver_register()
154 			   drv->name, drv->bus->name);  in driver_register()
158 	if ((drv->bus->probe && drv->probe) ||  in driver_register()
159 	    (drv->bus->remove && drv->remove) ||  in driver_register()
160 	    (drv->bus->shutdown && drv->shutdown))  in driver_register()
162 			"bus_type methods\n", drv->name);  in driver_register()
164 	other = driver_find(drv->name, drv->bus);  in driver_register()
167 			"aborting...\n", drv->name);  in driver_register()
171 	ret = bus_add_driver(drv);  in driver_register()
174 	ret = driver_add_groups(drv, drv->groups);  in driver_register()
176 		bus_remove_driver(drv);  in driver_register()
179 	kobject_uevent(&drv->p->kobj, KOBJ_ADD);  in driver_register()
187  * @drv: driver.
191 void driver_unregister(struct device_driver *drv)  in driver_unregister()  argument
193 	if (!drv || !drv->p) {  in driver_unregister()
197 	driver_remove_groups(drv, drv->groups);  in driver_unregister()
198 	bus_remove_driver(drv);  in driver_unregister()