Commit f9b412a8 authored by Alan Cox's avatar Alan Cox Committed by Greg Kroah-Hartman
Browse files

tty: moxa: Kill off the throttle method



The tty flag can be tested so the shadow flag isn't needed

Signed-off-by: default avatarAlan Cox <alan@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent a808ac0c
Loading
Loading
Loading
Loading
+1 −20
Original line number Diff line number Diff line
@@ -154,7 +154,6 @@ struct mon_str {
#define TXSTOPPED	1
#define LOWWAIT 	2
#define EMPTYWAIT	3
#define THROTTLE	4

#define SERIAL_DO_RESTART

@@ -194,8 +193,6 @@ static int moxa_write(struct tty_struct *, const unsigned char *, int);
static int moxa_write_room(struct tty_struct *);
static void moxa_flush_buffer(struct tty_struct *);
static int moxa_chars_in_buffer(struct tty_struct *);
static void moxa_throttle(struct tty_struct *);
static void moxa_unthrottle(struct tty_struct *);
static void moxa_set_termios(struct tty_struct *, struct ktermios *);
static void moxa_stop(struct tty_struct *);
static void moxa_start(struct tty_struct *);
@@ -415,8 +412,6 @@ static const struct tty_operations moxa_ops = {
	.flush_buffer = moxa_flush_buffer,
	.chars_in_buffer = moxa_chars_in_buffer,
	.ioctl = moxa_ioctl,
	.throttle = moxa_throttle,
	.unthrottle = moxa_unthrottle,
	.set_termios = moxa_set_termios,
	.stop = moxa_stop,
	.start = moxa_start,
@@ -1327,20 +1322,6 @@ static int moxa_tiocmset(struct tty_struct *tty, struct file *file,
	return 0;
}

static void moxa_throttle(struct tty_struct *tty)
{
	struct moxa_port *ch = tty->driver_data;

	set_bit(THROTTLE, &ch->statusflags);
}

static void moxa_unthrottle(struct tty_struct *tty)
{
	struct moxa_port *ch = tty->driver_data;

	clear_bit(THROTTLE, &ch->statusflags);
}

static void moxa_set_termios(struct tty_struct *tty,
		struct ktermios *old_termios)
{
@@ -1418,7 +1399,7 @@ static int moxa_poll_port(struct moxa_port *p, unsigned int handle,
			tty_wakeup(tty);
		}

		if (inited && !test_bit(THROTTLE, &p->statusflags) &&
		if (inited && !test_bit(TTY_THROTTLED, &tty->flags) &&
				MoxaPortRxQueue(p) > 0) { /* RX */
			MoxaPortReadData(p);
			tty_schedule_flip(tty);