diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/console.h | 3 | ||||
| -rw-r--r-- | include/linux/serial_core.h | 7 | ||||
| -rw-r--r-- | include/linux/tty.h | 2 | ||||
| -rw-r--r-- | include/linux/tty_ldisc.h | 46 | ||||
| -rw-r--r-- | include/linux/vt_kern.h | 2 |
5 files changed, 53 insertions, 7 deletions
diff --git a/include/linux/console.h b/include/linux/console.h index 73bab0f..7571a16 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -75,10 +75,7 @@ extern const struct consw newport_con; /* SGI Newport console */ extern const struct consw prom_con; /* SPARC PROM console */ int con_is_bound(const struct consw *csw); -int register_con_driver(const struct consw *csw, int first, int last); -int unregister_con_driver(const struct consw *csw); int do_unregister_con_driver(const struct consw *csw); -int take_over_console(const struct consw *sw, int first, int last, int deflt); int do_take_over_console(const struct consw *sw, int first, int last, int deflt); void give_up_console(const struct consw *sw); #ifdef CONFIG_HW_CONSOLE diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 87d4bbc..b98291a 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -31,6 +31,13 @@ #include <linux/sysrq.h> #include <uapi/linux/serial_core.h> +#ifdef CONFIG_SERIAL_CORE_CONSOLE +#define uart_console(port) \ + ((port)->cons && (port)->cons->index == (port)->line) +#else +#define uart_console(port) (0) +#endif + struct uart_port; struct serial_struct; struct device; diff --git a/include/linux/tty.h b/include/linux/tty.h index 8780bd2..82ab69b 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -309,8 +309,6 @@ struct tty_file_private { #define TTY_LDISC 9 /* Line discipline attached */ #define TTY_LDISC_CHANGING 10 /* Line discipline changing */ #define TTY_LDISC_OPEN 11 /* Line discipline is open */ -#define TTY_HW_COOK_OUT 14 /* Hardware can do output cooking */ -#define TTY_HW_COOK_IN 15 /* Hardware can do input cooking */ #define TTY_PTY_LOCK 16 /* pty private */ #define TTY_NO_WRITE_SPLIT 17 /* Preserve write boundaries to driver */ #define TTY_HUPPED 18 /* Post driver->hangup() */ diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h index 58390c7..7b24bbd 100644 --- a/include/linux/tty_ldisc.h +++ b/include/linux/tty_ldisc.h @@ -110,6 +110,52 @@ #include <linux/wait.h> #include <linux/wait.h> + +/* + * the semaphore definition + */ +struct ld_semaphore { + long count; + raw_spinlock_t wait_lock; + unsigned int wait_readers; + struct list_head read_wait; + struct list_head write_wait; +#ifdef CONFIG_DEBUG_LOCK_ALLOC + struct lockdep_map dep_map; +#endif +}; + +extern void __init_ldsem(struct ld_semaphore *sem, const char *name, + struct lock_class_key *key); + +#define init_ldsem(sem) \ +do { \ + static struct lock_class_key __key; \ + \ + __init_ldsem((sem), #sem, &__key); \ +} while (0) + + +extern int ldsem_down_read(struct ld_semaphore *sem, long timeout); +extern int ldsem_down_read_trylock(struct ld_semaphore *sem); +extern int ldsem_down_write(struct ld_semaphore *sem, long timeout); +extern int ldsem_down_write_trylock(struct ld_semaphore *sem); +extern void ldsem_up_read(struct ld_semaphore *sem); +extern void ldsem_up_write(struct ld_semaphore *sem); + +#ifdef CONFIG_DEBUG_LOCK_ALLOC +extern int ldsem_down_read_nested(struct ld_semaphore *sem, int subclass, + long timeout); +extern int ldsem_down_write_nested(struct ld_semaphore *sem, int subclass, + long timeout); +#else +# define ldsem_down_read_nested(sem, subclass, timeout) \ + ldsem_down_read(sem, timeout) +# define ldsem_down_write_nested(sem, subclass, timeout) \ + ldsem_down_write(sem, timeout) +#endif + + struct tty_ldisc_ops { int magic; char *name; diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h index 0d33fca..8d76342 100644 --- a/include/linux/vt_kern.h +++ b/include/linux/vt_kern.h @@ -133,8 +133,6 @@ void change_console(struct vc_data *new_vc); void reset_vc(struct vc_data *vc); extern int do_unbind_con_driver(const struct consw *csw, int first, int last, int deflt); -extern int unbind_con_driver(const struct consw *csw, int first, int last, - int deflt); int vty_init(const struct file_operations *console_fops); static inline bool vt_force_oops_output(struct vc_data *vc) |