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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>
This commit is contained in:
Alan Cox 2008-07-16 21:52:25 +01:00 committed by Linus Torvalds
parent 5b664cb235
commit 15648f154a
1 changed files with 3 additions and 43 deletions
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46
arch/ia64/hp/sim/simserial.c
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@ -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,
};