tty/vt/vt.c

116 struct con_driver {
126 static struct con_driver registered_con_driver[MAX_NR_CON_DRIVER];
3721 		struct con_driver *con_driver = &registered_con_driver[i];
3723 		if (con_driver->con == NULL) {
3724 			con_driver->con = conswitchp;
3725 			con_driver->desc = display_desc;
3726 			con_driver->flag = CON_DRIVER_FLAG_INIT;
3727 			con_driver->first = 0;
3728 			con_driver->last = MAX_NR_CONSOLES - 1;
3855 	struct con_driver *con_driver;
3865 		con_driver = &registered_con_driver[i];
3867 		if (con_driver->con == csw) {
3868 			desc = con_driver->desc;
3877 	if (!(con_driver->flag & CON_DRIVER_FLAG_INIT)) {
3879 		con_driver->flag |= CON_DRIVER_FLAG_INIT;
3890 	first = max(first, con_driver->first);
3891 	last = min(last, con_driver->last);
3957 	struct con_driver *con_driver = NULL, *con_back = NULL;
3967 		con_driver = &registered_con_driver[i];
3969 		if (con_driver->con == csw &&
3970 		    con_driver->flag & CON_DRIVER_FLAG_MODULE) {
3998 	first = max(first, con_driver->first);
3999 	last = min(last, con_driver->last);
4021 		con_driver->flag &= ~CON_DRIVER_FLAG_INIT;
4032 static int vt_bind(struct con_driver *con)
4043 		struct con_driver *con = &registered_con_driver[i];
4082 static int vt_unbind(struct con_driver *con)
4124 static inline int vt_bind(struct con_driver *con)
4128 static inline int vt_unbind(struct con_driver *con)
4137 	struct con_driver *con = dev_get_drvdata(dev);
4155 	struct con_driver *con = dev_get_drvdata(dev);
4168 	struct con_driver *con = dev_get_drvdata(dev);
4187 static int vtconsole_init_device(struct con_driver *con)
4193 static void vtconsole_deinit_device(struct con_driver *con)
4314 	struct con_driver *con_driver;
4324 		con_driver = &registered_con_driver[i];
4327 		if (con_driver->con == csw) {
4342 		con_driver = &registered_con_driver[i];
4344 		if (con_driver->con == NULL &&
4345 		    !(con_driver->flag & CON_DRIVER_FLAG_ZOMBIE)) {
4346 			con_driver->con = csw;
4347 			con_driver->desc = desc;
4348 			con_driver->node = i;
4349 			con_driver->flag = CON_DRIVER_FLAG_MODULE |
4351 			con_driver->first = first;
4352 			con_driver->last = last;
4361 	con_driver->dev =
4363 					  MKDEV(0, con_driver->node),
4364 					  con_driver, con_dev_groups,
4365 					  "vtcon%i", con_driver->node);
4366 	if (IS_ERR(con_driver->dev)) {
4368 			con_driver->desc, PTR_ERR(con_driver->dev));
4369 		con_driver->dev = NULL;
4371 		vtconsole_init_device(con_driver);
4403 		struct con_driver *con_driver = &registered_con_driver[i];
4405 		if (con_driver->con == csw) {
4416 			con_driver->con = NULL;
4417 			con_driver->flag = CON_DRIVER_FLAG_ZOMBIE;
4435 		struct con_driver *con_driver = &registered_con_driver[i];
4437 		if (!(con_driver->flag & CON_DRIVER_FLAG_ZOMBIE))
4442 		vtconsole_deinit_device(con_driver);
4443 		device_destroy(&vtconsole_class, MKDEV(0, con_driver->node));
4447 		if (WARN_ON_ONCE(con_driver->con))
4448 			con_driver->con = NULL;
4449 		con_driver->desc = NULL;
4450 		con_driver->dev = NULL;
4451 		con_driver->node = 0;
4452 		WARN_ON_ONCE(con_driver->flag != CON_DRIVER_FLAG_ZOMBIE);
4453 		con_driver->flag = 0;
4454 		con_driver->first = 0;
4455 		con_driver->last = 0;
4510 		struct con_driver *con = &registered_con_driver[i];