serial: move delta_msr_wait into the tty_port
[safe/jmp/linux-2.6] / include / linux / tty.h
index 9fdc3d8..0daa8a7 100644 (file)
@@ -203,6 +203,7 @@ struct tty_port {
        int                     count;          /* Usage count */
        wait_queue_head_t       open_wait;      /* Open waiters */
        wait_queue_head_t       close_wait;     /* Close waiters */
+       wait_queue_head_t       delta_msr_wait; /* Modem status change */
        unsigned long           flags;          /* TTY flags ASY_*/
        struct mutex            mutex;          /* Locking */
        unsigned char           *xmit_buf;      /* Optional buffer */