simserial: Fix up for ldisc changes

Noted by Tony Luck although I've done the patches differently and also
removed some other bogus oddments.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 23cafc8..24b1ad5 100644 (file)
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -193,18 +193,6 @@ static irqreturn_t rs_interrupt_single(int irq, void *dev_id)
  * -------------------------------------------------------------------
  */
 
-#if 0
-/*
- * not really used in our situation so keep them commented out for now
- */
-static DECLARE_TASK_QUEUE(tq_serial); /* used to be at the top of the file */
-static void do_serial_bh(void)
-{
-       run_task_queue(&tq_serial);
-       printk(KERN_ERR "do_serial_bh: called\n");
-}
-#endif
-
 static void do_softint(struct work_struct *private_)
 {
        printk(KERN_ERR "simserial: do_softint called\n");
@@ -351,11 +339,7 @@ static void rs_flush_buffer(struct tty_struct *tty)
        info->xmit.head = info->xmit.tail = 0;
        local_irq_restore(flags);
 
-       wake_up_interruptible(&tty->write_wait);
-
-       if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
-           tty->ldisc.write_wakeup)
-               (tty->ldisc.write_wakeup)(tty);
+       tty_wakeup(tty);
 }
 
 /*
@@ -404,12 +388,6 @@ static void rs_unthrottle(struct tty_struct * tty)
        printk(KERN_INFO "simrs_unthrottle called\n");
 }
 
-/*
- * rs_break() --- routine which turns the break handling on or off
- */
-static void rs_break(struct tty_struct *tty, int break_state)
-{
-}
 
 static int rs_ioctl(struct tty_struct *tty, struct file * file,
                    unsigned int cmd, unsigned long arg)
@@ -422,14 +400,6 @@ static int rs_ioctl(struct tty_struct *tty, struct file * file,
        }
 
        switch (cmd) {
-               case TIOCMGET:
-                       printk(KERN_INFO "rs_ioctl: TIOCMGET called\n");
-                       return -EINVAL;
-               case TIOCMBIS:
-               case TIOCMBIC:
-               case TIOCMSET:
-                       printk(KERN_INFO "rs_ioctl: TIOCMBIS/BIC/SET called\n");
-                       return -EINVAL;
                case TIOCGSERIAL:
                        printk(KERN_INFO "simrs_ioctl TIOCGSERIAL called\n");
                        return 0;
@@ -488,14 +458,6 @@ static int rs_ioctl(struct tty_struct *tty, struct file * file,
 
 static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
 {
-       unsigned int cflag = tty->termios->c_cflag;
-
-       if (   (cflag == old_termios->c_cflag)
-           && (   RELEVANT_IFLAG(tty->termios->c_iflag)
-               == RELEVANT_IFLAG(old_termios->c_iflag)))
-         return;
-
-
        /* Handle turning off CRTSCTS */
        if ((old_termios->c_cflag & CRTSCTS) &&
            !(tty->termios->c_cflag & CRTSCTS)) {
@@ -623,9 +585,8 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
         * the line discipline to only process XON/XOFF characters.
         */
        shutdown(info);
-       if (tty->ops->flush_buffer)
-               tty->ops->flush_buffer(tty);
-       if (tty->ldisc.flush_buffer) tty->ldisc.flush_buffer(tty);
+       rs_flush_buffer(tty);
+       tty_ldisc_flush(tty);
        info->event = 0;
        info->tty = NULL;
        if (info->blocked_open) {
@@ -955,7 +916,6 @@ static const struct tty_operations hp_ops = {
        .stop = rs_stop,
        .start = rs_start,
        .hangup = rs_hangup,
-       .break_ctl = rs_break,
        .wait_until_sent = rs_wait_until_sent,
        .read_proc = rs_read_proc,
 };