14     driver::{
20                 driver::Driver,
57         for driver in drivers_guard.iter() {  in lookup_tty_driver()
58             let base = DeviceNumber::new(driver.major, driver.minor_start);  in lookup_tty_driver()
59             if dev_num < base || dev_num.data() > base.data() + driver.device_count {  in lookup_tty_driver()
62             return Some(((dev_num.data() - base.data()) as usize, driver.clone()));  in lookup_tty_driver()
69     pub fn tty_register_driver(mut driver: TtyDriver) -> Result<Arc<TtyDriver>, SystemError> {  in tty_register_driver()
71         if driver.major == Major::UNNAMED_MAJOR {  in tty_register_driver()
73                 driver.minor_start,  in tty_register_driver()
74                 driver.device_count,  in tty_register_driver()
75                 driver.name,  in tty_register_driver()
77             driver.major = dev_num.major();  in tty_register_driver()
78             driver.minor_start = dev_num.minor();  in tty_register_driver()
80             let dev_num = DeviceNumber::new(driver.major, driver.minor_start);  in tty_register_driver()
81             CharDevOps::register_chardev_region(dev_num, driver.device_count, driver.name)?;  in tty_register_driver()
84         driver.flags |= TtyDriverFlag::TTY_DRIVER_INSTALLED;  in tty_register_driver()
87         let driver = Arc::new(driver);  in tty_register_driver()  localVariable
88         driver.self_ref.init(Arc::downgrade(&driver));  in tty_register_driver()
89         TTY_DRIVERS.lock().push(driver.clone());  in tty_register_driver()
93         Ok(driver)  in tty_register_driver()
232     pub fn set_other_pty_driver(&self, driver: Weak<TtyDriver>) {  in set_other_pty_driver()
233         *self.other_pty_driver.write() = driver  in set_other_pty_driver()
394     fn kset(&self) -> Option<alloc::sync::Arc<crate::driver::base::kset::KSet>> {  in kset()
398     fn set_kset(&self, _kset: Option<alloc::sync::Arc<crate::driver::base::kset::KSet>>) {  in set_kset()
402     fn kobj_type(&self) -> Option<&'static dyn crate::driver::base::kobject::KObjType> {  in kobj_type()
406     fn set_kobj_type(&self, _ktype: Option<&'static dyn crate::driver::base::kobject::KObjType>) {  in set_kobj_type()
420     ) -> crate::libs::rwlock::RwLockReadGuard<crate::driver::base::kobject::KObjectState> {  in kobj_state()
426     ) -> crate::libs::rwlock::RwLockWriteGuard<crate::driver::base::kobject::KObjectState> {  in kobj_state_mut()
430     fn set_kobj_state(&self, _state: crate::driver::base::kobject::KObjectState) {  in set_kobj_state()
436     fn id_table(&self) -> Option<crate::driver::base::device::IdTable> {  in id_table()
442     ) -> alloc::vec::Vec<alloc::sync::Arc<dyn crate::driver::base::device::Device>> {  in devices()
446     fn add_device(&self, _device: alloc::sync::Arc<dyn crate::driver::base::device::Device>) {  in add_device()
450     fn delete_device(&self, _device: &alloc::sync::Arc<dyn crate::driver::base::device::Device>) {  in delete_device()
454     fn set_bus(&self, _bus: Option<alloc::sync::Weak<dyn crate::driver::base::device::bus::Bus>>) {  in set_bus()