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authorAlan Cox <alan@redhat.com>2008-07-16 16:52:25 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-20 20:12:34 -0400
commit15648f154a8faea97cbe931e189cf0a57fd066f4 (patch)
treebf5a9abe190c1a9eec33270f48280e0e44201e84 /arch/ia64/hp
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
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>
Diffstat (limited to 'arch/ia64/hp')
-rw-r--r--arch/ia64/hp/sim/simserial.c46
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)
193 * ------------------------------------------------------------------- 193 * -------------------------------------------------------------------
194 */ 194 */
195 195
196#if 0
197/*
198 * not really used in our situation so keep them commented out for now
199 */
200static DECLARE_TASK_QUEUE(tq_serial); /* used to be at the top of the file */
201static void do_serial_bh(void)
202{
203 run_task_queue(&tq_serial);
204 printk(KERN_ERR "do_serial_bh: called\n");
205}
206#endif
207
208static void do_softint(struct work_struct *private_) 196static void do_softint(struct work_struct *private_)
209{ 197{
210 printk(KERN_ERR "simserial: do_softint called\n"); 198 printk(KERN_ERR "simserial: do_softint called\n");
@@ -351,11 +339,7 @@ static void rs_flush_buffer(struct tty_struct *tty)
351 info->xmit.head = info->xmit.tail = 0; 339 info->xmit.head = info->xmit.tail = 0;
352 local_irq_restore(flags); 340 local_irq_restore(flags);
353 341
354 wake_up_interruptible(&tty->write_wait); 342 tty_wakeup(tty);
355
356 if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
357 tty->ldisc.write_wakeup)
358 (tty->ldisc.write_wakeup)(tty);
359} 343}
360 344
361/* 345/*
@@ -404,12 +388,6 @@ static void rs_unthrottle(struct tty_struct * tty)
404 printk(KERN_INFO "simrs_unthrottle called\n"); 388 printk(KERN_INFO "simrs_unthrottle called\n");
405} 389}
406 390
407/*
408 * rs_break() --- routine which turns the break handling on or off
409 */
410static void rs_break(struct tty_struct *tty, int break_state)
411{
412}
413 391
414static int rs_ioctl(struct tty_struct *tty, struct file * file, 392static int rs_ioctl(struct tty_struct *tty, struct file * file,
415 unsigned int cmd, unsigned long arg) 393 unsigned int cmd, unsigned long arg)
@@ -422,14 +400,6 @@ static int rs_ioctl(struct tty_struct *tty, struct file * file,
422 } 400 }
423 401
424 switch (cmd) { 402 switch (cmd) {
425 case TIOCMGET:
426 printk(KERN_INFO "rs_ioctl: TIOCMGET called\n");
427 return -EINVAL;
428 case TIOCMBIS:
429 case TIOCMBIC:
430 case TIOCMSET:
431 printk(KERN_INFO "rs_ioctl: TIOCMBIS/BIC/SET called\n");
432 return -EINVAL;
433 case TIOCGSERIAL: 403 case TIOCGSERIAL:
434 printk(KERN_INFO "simrs_ioctl TIOCGSERIAL called\n"); 404 printk(KERN_INFO "simrs_ioctl TIOCGSERIAL called\n");
435 return 0; 405 return 0;
@@ -488,14 +458,6 @@ static int rs_ioctl(struct tty_struct *tty, struct file * file,
488 458
489static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios) 459static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
490{ 460{
491 unsigned int cflag = tty->termios->c_cflag;
492
493 if ( (cflag == old_termios->c_cflag)
494 && ( RELEVANT_IFLAG(tty->termios->c_iflag)
495 == RELEVANT_IFLAG(old_termios->c_iflag)))
496 return;
497
498
499 /* Handle turning off CRTSCTS */ 461 /* Handle turning off CRTSCTS */
500 if ((old_termios->c_cflag & CRTSCTS) && 462 if ((old_termios->c_cflag & CRTSCTS) &&
501 !(tty->termios->c_cflag & CRTSCTS)) { 463 !(tty->termios->c_cflag & CRTSCTS)) {
@@ -623,9 +585,8 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
623 * the line discipline to only process XON/XOFF characters. 585 * the line discipline to only process XON/XOFF characters.
624 */ 586 */
625 shutdown(info); 587 shutdown(info);
626 if (tty->ops->flush_buffer) 588 rs_flush_buffer(tty);
627 tty->ops->flush_buffer(tty); 589 tty_ldisc_flush(tty);
628 if (tty->ldisc.flush_buffer) tty->ldisc.flush_buffer(tty);
629 info->event = 0; 590 info->event = 0;
630 info->tty = NULL; 591 info->tty = NULL;
631 if (info->blocked_open) { 592 if (info->blocked_open) {
@@ -955,7 +916,6 @@ static const struct tty_operations hp_ops = {
955 .stop = rs_stop, 916 .stop = rs_stop,
956 .start = rs_start, 917 .start = rs_start,
957 .hangup = rs_hangup, 918 .hangup = rs_hangup,
958 .break_ctl = rs_break,
959 .wait_until_sent = rs_wait_until_sent, 919 .wait_until_sent = rs_wait_until_sent,
960 .read_proc = rs_read_proc, 920 .read_proc = rs_read_proc,
961}; 921};