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

drivers/char/moxa.c

+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);