TTY: move low_latency to tty_port

One point is to have less places where we actually need tty pointer.
The other is that low_latency is bound to buffer processing and
buffers are now in tty_port. So it makes sense to move low_latency to
tty_port too.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

4 files changed, 5 insertions, 5 deletions

diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 4c6743dd5357..41b75c5ae0d5 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -968,7 +968,7 @@ static int tty3215_open(struct tty_struct *tty, struct file * filp)
 
         tty_port_tty_set(&raw->port, tty);
 
-        tty->low_latency = 0;  /* don't use bottom half for pushing chars */
+        raw->port.low_latency = 0; /* don't use bottom half for pushing chars */
         /*
          * Start up 3215 device
          */
diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c
index 3ffddbb53d2f..19b7c516c07d 100644
--- a/drivers/s390/char/sclp_tty.c
+++ b/drivers/s390/char/sclp_tty.c
@@ -65,7 +65,7 @@ sclp_tty_open(struct tty_struct *tty, struct file *filp)
 {
         tty_port_tty_set(&sclp_port, tty);
         tty->driver_data = NULL;
-        tty->low_latency = 0;
+        sclp_port.low_latency = 0;
         return 0;
 }
 
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index b5507f199b24..0eca99b98712 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -495,7 +495,7 @@ sclp_vt220_open(struct tty_struct *tty, struct file *filp)
 {
         if (tty->count == 1) {
                 tty_port_tty_set(&sclp_vt220_port, tty);
-                tty->low_latency = 0;
+                sclp_vt220_port.low_latency = 0;
                 if (!tty->winsize.ws_row && !tty->winsize.ws_col) {
                         tty->winsize.ws_row = 24;
                         tty->winsize.ws_col = 80;
diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c
index 43ea0593bdb0..3860e796b65f 100644
--- a/drivers/s390/char/tty3270.c
+++ b/drivers/s390/char/tty3270.c
@@ -860,7 +860,7 @@ static int tty3270_install(struct tty_driver *driver, struct tty_struct *tty)
                 tty->driver_data = tp;
                 tty->winsize.ws_row = tp->view.rows - 2;
                 tty->winsize.ws_col = tp->view.cols;
-                tty->low_latency = 0;
+                tp->port.low_latency = 0;
                 /* why to reassign? */
                 tty_port_tty_set(&tp->port, tty);
                 tp->inattr = TF_INPUT;
@@ -893,7 +893,7 @@ static int tty3270_install(struct tty_driver *driver, struct tty_struct *tty)
         }
 
         tty_port_tty_set(&tp->port, tty);
-        tty->low_latency = 0;
+        tp->port.low_latency = 0;
         tty->winsize.ws_row = tp->view.rows - 2;
         tty->winsize.ws_col = tp->view.cols;