Commit 2fcd5caf authored by Jiri Slaby's avatar Jiri Slaby Committed by Greg Kroah-Hartman
Browse files

TTY: simserial, remove some tty ops 



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

Signed-off-by: default avatarJiri Slaby <jslaby@suse.cz>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7f32f8dd

arch/ia64/hp/sim/simserial.c

+1 −38
Original line number Diff line number Diff line
@@ -64,31 +64,6 @@ static struct console *console; 


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)

{

	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) &&

	    !(tty->termios->c_cflag & CRTSCTS)) {

		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);

}



/*

 * 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.

 */
@@ -736,10 +702,7 @@ static const struct tty_operations hp_ops = { 
	.unthrottle = rs_unthrottle,

	.send_xchar = rs_send_xchar,

	.set_termios = rs_set_termios,

	.stop = rs_stop,

	.start = rs_start,

	.hangup = rs_hangup,

	.wait_until_sent = rs_wait_until_sent,

	.proc_fops = &rs_proc_fops,

};

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