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, 2 deletions

diff --git a/include/linux/tty.h b/include/linux/tty.h
index 8db1b569c37a..f16a47a13a09 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -202,7 +202,8 @@ struct tty_port {
         unsigned long           iflags;         /* TTYP_ internal flags */
 #define TTYP_FLUSHING                   1  /* Flushing to ldisc in progress */
 #define TTYP_FLUSHPENDING               2  /* Queued buffer flush pending */
-        unsigned char           console:1;      /* port is a console */
+        unsigned char           console:1,      /* port is a console */
+                                low_latency:1;  /* direct buffer flush */
         struct mutex            mutex;          /* Locking */
         struct mutex            buf_mutex;      /* Buffer alloc lock */
         unsigned char           *xmit_buf;      /* Optional buffer */
@@ -254,7 +255,7 @@ struct tty_struct {
         int count;
         struct winsize winsize;         /* termios mutex */
         unsigned char stopped:1, hw_stopped:1, flow_stopped:1, packet:1;
-        unsigned char low_latency:1, warned:1;
+        unsigned char warned:1;
         unsigned char ctrl_status;      /* ctrl_lock */
         unsigned int receive_room;      /* Bytes free for queue */