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tty: clean include/linux/tty.h up 

There are a lot of tty-core-only functions that are listed in
include/linux/tty.h.  Move them to drivers/tty/tty.h so that no one else
can accidentally call them or think that they are public functions.

Cc: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20210408125134.3016837-14-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2021-04-08 14:51:34 +02:00
parent 9f72cab159
commit 5ffa6e344a
5 changed files with 40 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/tty/n_gsm.c
View File

@ -50,6 +50,7 @@
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/gsmmux.h>
#include "tty.h"
static int debug;
module_param(debug, int, 0600);

1
drivers/tty/n_hdlc.c
View File

@ -100,6 +100,7 @@
#include <asm/termios.h>
#include <linux/uaccess.h>
#include "tty.h"
/*
* Buffers for individual HDLC frames

37
drivers/tty/tty.h
View File

@ -58,6 +58,43 @@ static inline void tty_set_flow_change(struct tty_struct *tty, int val)
int tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout);
void tty_ldisc_unlock(struct tty_struct *tty);
int __tty_check_change(struct tty_struct *tty, int sig);
int tty_check_change(struct tty_struct *tty);
void __stop_tty(struct tty_struct *tty);
void __start_tty(struct tty_struct *tty);
void tty_vhangup_session(struct tty_struct *tty);
void tty_open_proc_set_tty(struct file *filp, struct tty_struct *tty);
int tty_signal_session_leader(struct tty_struct *tty, int exit_session);
void session_clear_tty(struct pid *session);
void tty_buffer_free_all(struct tty_port *port);
void tty_buffer_flush(struct tty_struct *tty, struct tty_ldisc *ld);
void tty_buffer_init(struct tty_port *port);
void tty_buffer_set_lock_subclass(struct tty_port *port);
bool tty_buffer_restart_work(struct tty_port *port);
bool tty_buffer_cancel_work(struct tty_port *port);
void tty_buffer_flush_work(struct tty_port *port);
speed_t tty_termios_input_baud_rate(struct ktermios *termios);
void tty_ldisc_hangup(struct tty_struct *tty, bool reset);
int tty_ldisc_reinit(struct tty_struct *tty, int disc);
long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
long tty_jobctrl_ioctl(struct tty_struct *tty, struct tty_struct *real_tty,
struct file *file, unsigned int cmd, unsigned long arg);
void tty_default_fops(struct file_operations *fops);
struct tty_struct *alloc_tty_struct(struct tty_driver *driver, int idx);
int tty_alloc_file(struct file *file);
void tty_add_file(struct tty_struct *tty, struct file *file);
void tty_free_file(struct file *file);
int tty_release(struct inode *inode, struct file *filp);
#define tty_is_writelocked(tty) (mutex_is_locked(&tty->atomic_write_lock))
int tty_ldisc_setup(struct tty_struct *tty, struct tty_struct *o_tty);
void tty_ldisc_release(struct tty_struct *tty);
int __must_check tty_ldisc_init(struct tty_struct *tty);
void tty_ldisc_deinit(struct tty_struct *tty);
void tty_sysctl_init(void);
/* tty_audit.c */
#ifdef CONFIG_AUDIT
void tty_audit_add_data(struct tty_struct *tty, const void *data, size_t size);

1
drivers/tty/tty_baudrate.c
View File

@ -8,6 +8,7 @@
#include <linux/termios.h>
#include <linux/tty.h>
#include <linux/export.h>
#include "tty.h"
/*

34
include/linux/tty.h
View File

@ -432,11 +432,7 @@ static inline struct tty_struct *tty_kref_get(struct tty_struct *tty)
extern const char *tty_driver_name(const struct tty_struct *tty);
extern void tty_wait_until_sent(struct tty_struct *tty, long timeout);
extern int __tty_check_change(struct tty_struct *tty, int sig);
extern int tty_check_change(struct tty_struct *tty);
extern void __stop_tty(struct tty_struct *tty);
extern void stop_tty(struct tty_struct *tty);
extern void __start_tty(struct tty_struct *tty);
extern void start_tty(struct tty_struct *tty);
extern int tty_register_driver(struct tty_driver *driver);
extern void tty_unregister_driver(struct tty_driver *driver);
@ -463,23 +459,11 @@ extern int tty_get_icount(struct tty_struct *tty,
extern int is_current_pgrp_orphaned(void);
extern void tty_hangup(struct tty_struct *tty);
extern void tty_vhangup(struct tty_struct *tty);
extern void tty_vhangup_session(struct tty_struct *tty);
extern int tty_hung_up_p(struct file *filp);
extern void do_SAK(struct tty_struct *tty);
extern void __do_SAK(struct tty_struct *tty);
extern void tty_open_proc_set_tty(struct file *filp, struct tty_struct *tty);
extern int tty_signal_session_leader(struct tty_struct *tty, int exit_session);
extern void session_clear_tty(struct pid *session);
extern void no_tty(void);
extern void tty_buffer_free_all(struct tty_port *port);
extern void tty_buffer_flush(struct tty_struct *tty, struct tty_ldisc *ld);
extern void tty_buffer_init(struct tty_port *port);
extern void tty_buffer_set_lock_subclass(struct tty_port *port);
extern bool tty_buffer_restart_work(struct tty_port *port);
extern bool tty_buffer_cancel_work(struct tty_port *port);
extern void tty_buffer_flush_work(struct tty_port *port);
extern speed_t tty_termios_baud_rate(struct ktermios *termios);
extern speed_t tty_termios_input_baud_rate(struct ktermios *termios);
extern void tty_termios_encode_baud_rate(struct ktermios *termios,
speed_t ibaud, speed_t obaud);
extern void tty_encode_baud_rate(struct tty_struct *tty,
@ -507,27 +491,16 @@ extern int tty_set_termios(struct tty_struct *tty, struct ktermios *kt);
extern struct tty_ldisc *tty_ldisc_ref(struct tty_struct *);
extern void tty_ldisc_deref(struct tty_ldisc *);
extern struct tty_ldisc *tty_ldisc_ref_wait(struct tty_struct *);
extern void tty_ldisc_hangup(struct tty_struct *tty, bool reset);
extern int tty_ldisc_reinit(struct tty_struct *tty, int disc);
extern const struct seq_operations tty_ldiscs_seq_ops;
extern void tty_wakeup(struct tty_struct *tty);
extern void tty_ldisc_flush(struct tty_struct *tty);
extern long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
extern int tty_mode_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg);
extern long tty_jobctrl_ioctl(struct tty_struct *tty, struct tty_struct *real_tty,
struct file *file, unsigned int cmd, unsigned long arg);
extern int tty_perform_flush(struct tty_struct *tty, unsigned long arg);
extern void tty_default_fops(struct file_operations *fops);
extern struct tty_struct *alloc_tty_struct(struct tty_driver *driver, int idx);
extern int tty_alloc_file(struct file *file);
extern void tty_add_file(struct tty_struct *tty, struct file *file);
extern void tty_free_file(struct file *file);
extern struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx);
extern void tty_release_struct(struct tty_struct *tty, int idx);
extern int tty_release(struct inode *inode, struct file *filp);
extern void tty_init_termios(struct tty_struct *tty);
extern void tty_save_termios(struct tty_struct *tty);
extern int tty_standard_install(struct tty_driver *driver,
@ -535,8 +508,6 @@ extern int tty_standard_install(struct tty_driver *driver,
extern struct mutex tty_mutex;
#define tty_is_writelocked(tty) (mutex_is_locked(&tty->atomic_write_lock))
extern void tty_port_init(struct tty_port *port);
extern void tty_port_link_device(struct tty_port *port,
struct tty_driver *driver, unsigned index);
@ -656,13 +627,8 @@ static inline int tty_port_users(struct tty_port *port)
extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc);
extern int tty_unregister_ldisc(int disc);
extern int tty_set_ldisc(struct tty_struct *tty, int disc);
extern int tty_ldisc_setup(struct tty_struct *tty, struct tty_struct *o_tty);
extern void tty_ldisc_release(struct tty_struct *tty);
extern int __must_check tty_ldisc_init(struct tty_struct *tty);
extern void tty_ldisc_deinit(struct tty_struct *tty);
extern int tty_ldisc_receive_buf(struct tty_ldisc *ld, const unsigned char *p,
char *f, int count);
extern void tty_sysctl_init(void);
/* n_tty.c */
extern void n_tty_inherit_ops(struct tty_ldisc_ops *ops);