Blackfin arch: stub out pgprot_noncached() like other people seem to do on nommu

[safe/jmp/linux-2.6] / include / linux / tty.h

diff --git a/include/linux/tty.h b/include/linux/tty.h
index f881697..fc39db9 100644 (file)
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -180,8 +180,17 @@ struct signal_struct;
  * until a hangup so don't use the wrong path.
  */
 
+struct tty_port;
+
+struct tty_port_operations {
+       /* Return 1 if the carrier is raised */
+       int (*carrier_raised)(struct tty_port *port);
+       void (*raise_dtr_rts)(struct tty_port *port);
+};
+       
 struct tty_port {
        struct tty_struct       *tty;           /* Back pointer */
+       const struct tty_port_operations *ops;  /* Port operations */
        spinlock_t              lock;           /* Lock protecting tty field */
        int                     blocked_open;   /* Waiting to open */
        int                     count;          /* Usage count */
@@ -301,6 +310,7 @@ struct tty_struct {
 #define TTY_PUSH               6       /* n_tty private */
 #define TTY_CLOSING            7       /* ->close() in progress */
 #define TTY_LDISC              9       /* Line discipline attached */
+#define TTY_LDISC_CHANGING     10      /* Line discipline changing */
 #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 */
@@ -426,6 +436,14 @@ extern int tty_port_alloc_xmit_buf(struct tty_port *port);
 extern void tty_port_free_xmit_buf(struct tty_port *port);
 extern struct tty_struct *tty_port_tty_get(struct tty_port *port);
 extern void tty_port_tty_set(struct tty_port *port, struct tty_struct *tty);
+extern int tty_port_carrier_raised(struct tty_port *port);
+extern void tty_port_raise_dtr_rts(struct tty_port *port);
+extern void tty_port_hangup(struct tty_port *port);
+extern int tty_port_block_til_ready(struct tty_port *port,
+                               struct tty_struct *tty, struct file *filp);
+extern int tty_port_close_start(struct tty_port *port,
+                               struct tty_struct *tty, struct file *filp);
+extern void tty_port_close_end(struct tty_port *port, struct tty_struct *tty);
 
 extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc);
 extern int tty_unregister_ldisc(int disc);