tty: Remove TTY_HW_COOK_IN/OUT

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

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 9 deletions

diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index d655416087b7..905a6fa5250e 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -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) {