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Commit 582f5590 authored by Peter Hurley's avatar Peter Hurley Committed by Greg Kroah-Hartman
Browse files

tty: Remove TTY_HW_COOK_IN/OUT 



No in-tree tty driver supports cooked mode in hardware; remove.

Signed-off-by: default avatarPeter Hurley <peter@hurleysoftware.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e424259e

drivers/tty/n_tty.c

+3 −9
Original line number Diff line number Diff line
@@ -647,8 +647,7 @@ static void process_echoes(struct tty_struct *tty) 
			if (no_space_left)

				break;

		} else {

			if (O_OPOST(tty) &&

			    !(test_bit(TTY_HW_COOK_OUT, &tty->flags))) {

			if (O_OPOST(tty)) {

				int retval = do_output_char(c, tty, space);

				if (retval < 0)

					break;
@@ -1516,12 +1515,7 @@ static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old) 
		wake_up_interruptible(&tty->read_wait);



	ldata->icanon = (L_ICANON(tty) != 0);

	if (test_bit(TTY_HW_COOK_IN, &tty->flags)) {

		ldata->raw = 1;

		ldata->real_raw = 1;

		n_tty_set_room(tty);

		return;

	}



	if (I_ISTRIP(tty) || I_IUCLC(tty) || I_IGNCR(tty) ||

	    I_ICRNL(tty) || I_INLCR(tty) || L_ICANON(tty) ||

	    I_IXON(tty) || L_ISIG(tty) || L_ECHO(tty) ||
@@ -2037,7 +2031,7 @@ static ssize_t n_tty_write(struct tty_struct *tty, struct file *file, 
			retval = -EIO;

			break;

		}

		if (O_OPOST(tty) && !(test_bit(TTY_HW_COOK_OUT, &tty->flags))) {

		if (O_OPOST(tty)) {

			while (nr > 0) {

				ssize_t num = process_output_block(tty, b, nr);

				if (num < 0) {

include/linux/tty.h

+0 −2
Original line number Diff line number Diff line
@@ -309,8 +309,6 @@ struct tty_file_private { 
#define TTY_LDISC 		9	/* Line discipline attached */

#define TTY_LDISC_CHANGING 	10	/* Line discipline changing */

#define TTY_LDISC_OPEN	 	11	/* Line discipline is open */

#define TTY_HW_COOK_OUT 	14	/* Hardware can do output cooking */

#define TTY_HW_COOK_IN 		15	/* Hardware can do input cooking */

#define TTY_PTY_LOCK 		16	/* pty private */

#define TTY_NO_WRITE_SPLIT 	17	/* Preserve write boundaries to driver */

#define TTY_HUPPED 		18	/* Post driver->hangup() */