tty/vt/vt.c

117 struct con_driver {
127 static struct con_driver registered_con_driver[MAX_NR_CON_DRIVER];
3630 		struct con_driver *con_driver = &registered_con_driver[i];
3632 		if (con_driver->con == NULL) {
3633 			con_driver->con = conswitchp;
3634 			con_driver->desc = display_desc;
3635 			con_driver->flag = CON_DRIVER_FLAG_INIT;
3636 			con_driver->first = 0;
3637 			con_driver->last = MAX_NR_CONSOLES - 1;
3763 	struct con_driver *con_driver;
3773 		con_driver = &registered_con_driver[i];
3775 		if (con_driver->con == csw) {
3776 			desc = con_driver->desc;
3785 	if (!(con_driver->flag & CON_DRIVER_FLAG_INIT)) {
3787 		con_driver->flag |= CON_DRIVER_FLAG_INIT;
3798 	first = max(first, con_driver->first);
3799 	last = min(last, con_driver->last);
3865 	struct con_driver *con_driver = NULL, *con_back = NULL;
3875 		con_driver = &registered_con_driver[i];
3877 		if (con_driver->con == csw &&
3878 		    con_driver->flag & CON_DRIVER_FLAG_MODULE) {
3906 	first = max(first, con_driver->first);
3907 	last = min(last, con_driver->last);
3929 		con_driver->flag &= ~CON_DRIVER_FLAG_INIT;
3940 static int vt_bind(struct con_driver *con)
3951 		struct con_driver *con = &registered_con_driver[i];
3990 static int vt_unbind(struct con_driver *con)
4032 static inline int vt_bind(struct con_driver *con)
4036 static inline int vt_unbind(struct con_driver *con)
4045 	struct con_driver *con = dev_get_drvdata(dev);
4063 	struct con_driver *con = dev_get_drvdata(dev);
4076 	struct con_driver *con = dev_get_drvdata(dev);
4095 static int vtconsole_init_device(struct con_driver *con)
4101 static void vtconsole_deinit_device(struct con_driver *con)
4222 	struct con_driver *con_driver;
4232 		con_driver = &registered_con_driver[i];
4235 		if (con_driver->con == csw) {
4250 		con_driver = &registered_con_driver[i];
4252 		if (con_driver->con == NULL &&
4253 		    !(con_driver->flag & CON_DRIVER_FLAG_ZOMBIE)) {
4254 			con_driver->con = csw;
4255 			con_driver->desc = desc;
4256 			con_driver->node = i;
4257 			con_driver->flag = CON_DRIVER_FLAG_MODULE |
4259 			con_driver->first = first;
4260 			con_driver->last = last;
4269 	con_driver->dev =
4271 					  MKDEV(0, con_driver->node),
4272 					  con_driver, con_dev_groups,
4273 					  "vtcon%i", con_driver->node);
4274 	if (IS_ERR(con_driver->dev)) {
4276 			con_driver->desc, PTR_ERR(con_driver->dev));
4277 		con_driver->dev = NULL;
4279 		vtconsole_init_device(con_driver);
4311 		struct con_driver *con_driver = &registered_con_driver[i];
4313 		if (con_driver->con == csw) {
4324 			con_driver->con = NULL;
4325 			con_driver->flag = CON_DRIVER_FLAG_ZOMBIE;
4343 		struct con_driver *con_driver = &registered_con_driver[i];
4345 		if (!(con_driver->flag & CON_DRIVER_FLAG_ZOMBIE))
4350 		vtconsole_deinit_device(con_driver);
4351 		device_destroy(&vtconsole_class, MKDEV(0, con_driver->node));
4355 		if (WARN_ON_ONCE(con_driver->con))
4356 			con_driver->con = NULL;
4357 		con_driver->desc = NULL;
4358 		con_driver->dev = NULL;
4359 		con_driver->node = 0;
4360 		WARN_ON_ONCE(con_driver->flag != CON_DRIVER_FLAG_ZOMBIE);
4361 		con_driver->flag = 0;
4362 		con_driver->first = 0;
4363 		con_driver->last = 0;
4418 		struct con_driver *con = &registered_con_driver[i];