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>

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/mn10300/kernel/mn10300-serial.c b/arch/mn10300/kernel/mn10300-serial.c
index 54ef40ceaaed..ae61bd692b4b 100644
--- a/arch/mn10300/kernel/mn10300-serial.c
+++ b/arch/mn10300/kernel/mn10300-serial.c
@@ -537,7 +537,7 @@ static void mn10300_serial_receive_interrupt(struct mn10300_serial_port *port)
         count = CIRC_CNT(port->rx_inp, port->rx_outp, MNSC_BUFFER_SIZE);
         count = tty_buffer_request_room(port, count);
         if (count == 0) {
-                if (!tty->low_latency)
+                if (!port->low_latency)
                         tty_flip_buffer_push(tty);
                 return;
         }
@@ -546,7 +546,7 @@ try_again:
         /* pull chars out of the hat */
         ix = ACCESS_ONCE(port->rx_outp);
         if (CIRC_CNT(port->rx_inp, ix, MNSC_BUFFER_SIZE) == 0) {
-                if (push && !tty->low_latency)
+                if (push && !port->low_latency)
                         tty_flip_buffer_push(tty);
                 return;
         }
@@ -678,7 +678,7 @@ insert:
 
         count--;
         if (count <= 0) {
-                if (!tty->low_latency)
+                if (!port->low_latency)
                         tty_flip_buffer_push(tty);
                 return;
         }