Merge branch 'acpi-misc'

[linux-2.6-microblaze.git] / include / linux / tty.h

diff --git a/include/linux/tty.h b/include/linux/tty.h
index 37803f3..95fc2f1 100644 (file)
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -240,8 +240,7 @@ struct tty_port {
        wait_queue_head_t       delta_msr_wait; /* Modem status change */
        unsigned long           flags;          /* User TTY flags ASYNC_ */
        unsigned long           iflags;         /* Internal flags TTY_PORT_ */
-       unsigned char           console:1,      /* port is a console */
-                               low_latency:1;  /* optional: tune for latency */
+       unsigned char           console:1;      /* port is a console */
        struct mutex            mutex;          /* Locking */
        struct mutex            buf_mutex;      /* Buffer alloc lock */
        unsigned char           *xmit_buf;      /* Optional buffer */
@@ -416,12 +415,14 @@ extern struct tty_struct *get_current_tty(void);
 /* tty_io.c */
 extern int __init tty_init(void);
 extern const char *tty_name(const struct tty_struct *tty);
-extern struct tty_struct *tty_kopen(dev_t device);
+extern struct tty_struct *tty_kopen_exclusive(dev_t device);
+extern struct tty_struct *tty_kopen_shared(dev_t device);
 extern void tty_kclose(struct tty_struct *tty);
 extern int tty_dev_name_to_number(const char *name, dev_t *number);
 extern int tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout);
 extern void tty_ldisc_unlock(struct tty_struct *tty);
 extern ssize_t redirected_tty_write(struct kiocb *, struct iov_iter *);
+extern struct file *tty_release_redirect(struct tty_struct *tty);
 #else
 static inline void tty_kref_put(struct tty_struct *tty)
 { }
@@ -442,7 +443,7 @@ static inline int __init tty_init(void)
 { return 0; }
 static inline const char *tty_name(const struct tty_struct *tty)
 { return "(none)"; }
-static inline struct tty_struct *tty_kopen(dev_t device)
+static inline struct tty_struct *tty_kopen_exclusive(dev_t device)
 { return ERR_PTR(-ENODEV); }
 static inline void tty_kclose(struct tty_struct *tty)
 { }
@@ -500,6 +501,8 @@ extern void tty_unthrottle(struct tty_struct *tty);
 extern int tty_throttle_safe(struct tty_struct *tty);
 extern int tty_unthrottle_safe(struct tty_struct *tty);
 extern int tty_do_resize(struct tty_struct *tty, struct winsize *ws);
+extern int tty_get_icount(struct tty_struct *tty,
+                         struct serial_icounter_struct *icount);
 extern int is_current_pgrp_orphaned(void);
 extern void tty_hangup(struct tty_struct *tty);
 extern void tty_vhangup(struct tty_struct *tty);