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TTY: simserial, remove some tty ops

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All ->start, ->stop and ->wait_until_sent are empty and need not be
defined. The time to remove them is now.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2012-03-05 14:52:33 +01:00 committed by Greg Kroah-Hartman
parent 7f32f8dd34
commit 2fcd5caf6d
1 changed files with 1 additions and 38 deletions
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37
arch/ia64/hp/sim/simserial.c
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@ -64,31 +64,6 @@ static struct console *console;
extern struct console *console_drivers; /* from kernel/printk.c */ extern struct console *console_drivers; /* from kernel/printk.c */
/*
* ------------------------------------------------------------
* rs_stop() and rs_start()
*
* This routines are called before setting or resetting tty->stopped.
* They enable or disable transmitter interrupts, as necessary.
* ------------------------------------------------------------
*/
static void rs_stop(struct tty_struct *tty)
{
#ifdef SIMSERIAL_DEBUG
printk("rs_stop: tty->stopped=%d tty->hw_stopped=%d tty->flow_stopped=%d\n",
tty->stopped, tty->hw_stopped, tty->flow_stopped);
#endif
}
static void rs_start(struct tty_struct *tty)
{
#ifdef SIMSERIAL_DEBUG
printk("rs_start: tty->stopped=%d tty->hw_stopped=%d tty->flow_stopped=%d\n",
tty->stopped, tty->hw_stopped, tty->flow_stopped);
#endif
}
static void receive_chars(struct tty_struct *tty) static void receive_chars(struct tty_struct *tty)
{ {
unsigned char ch; unsigned char ch;
@ -406,7 +381,6 @@ static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
if ((old_termios->c_cflag & CRTSCTS) && if ((old_termios->c_cflag & CRTSCTS) &&
!(tty->termios->c_cflag & CRTSCTS)) { !(tty->termios->c_cflag & CRTSCTS)) {
tty->hw_stopped = 0; tty->hw_stopped = 0;
rs_start(tty);
} }
} }
/* /*
@ -513,14 +487,6 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
wake_up_interruptible(&port->close_wait); wake_up_interruptible(&port->close_wait);
} }
/*
* rs_wait_until_sent() --- wait until the transmitter is empty
*/
static void rs_wait_until_sent(struct tty_struct *tty, int timeout)
{
}
/* /*
* rs_hangup() --- called by tty_hangup() when a hangup is signaled. * rs_hangup() --- called by tty_hangup() when a hangup is signaled.
*/ */
@ -736,10 +702,7 @@ static const struct tty_operations hp_ops = {
.unthrottle = rs_unthrottle, .unthrottle = rs_unthrottle,
.send_xchar = rs_send_xchar, .send_xchar = rs_send_xchar,
.set_termios = rs_set_termios, .set_termios = rs_set_termios,
.stop = rs_stop,
.start = rs_start,
.hangup = rs_hangup, .hangup = rs_hangup,
.wait_until_sent = rs_wait_until_sent,
.proc_fops = &rs_proc_fops, .proc_fops = &rs_proc_fops,
}; };