struct tty_driver *driver;
int index;
struct tty_ldisc ldisc;
- struct semaphore termios_sem;
+ struct mutex termios_mutex;
struct termios *termios, *termios_locked;
char name[64];
int pgrp;
extern int tty_unregister_ldisc(int disc);
extern int tty_register_driver(struct tty_driver *driver);
extern int tty_unregister_driver(struct tty_driver *driver);
-extern struct class_device *tty_register_device(struct tty_driver *driver,
- unsigned index,
- struct device *dev);
+extern struct device *tty_register_device(struct tty_driver *driver,
+ unsigned index, struct device *dev);
extern void tty_unregister_device(struct tty_driver *driver, unsigned index);
extern int tty_read_raw_data(struct tty_struct *tty, unsigned char *bufp,
int buflen);
extern void tty_wakeup(struct tty_struct *tty);
extern void tty_ldisc_flush(struct tty_struct *tty);
+extern int tty_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
+ unsigned long arg);
+
extern struct mutex tty_mutex;
/* n_tty.c */