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>

1 files changed, 3 insertions, 43 deletions

diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 23cafc80d2a4..24b1ad5334cb 100644
--- 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,
 };