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authorJiri Slaby <jslaby@suse.cz>2013-03-07 13:12:27 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-03-18 16:19:05 -0700
commit6865ff222ccab371c04afce17aec1f7d70b17dbc (patch)
treec5fb3ebecb698f8735e52fd7bdcbcb69e3a99f86 /include/linux/tty.h
parent049b539b39977fc9343056435eba568fc7779970 (diff)
downloadlinux-6865ff222ccab371c04afce17aec1f7d70b17dbc.tar.gz
linux-6865ff222ccab371c04afce17aec1f7d70b17dbc.tar.xz
TTY: do not warn about setting speed via SPD_*
The warning is there since 2.1.69 and we have not seen anybody reporting it in the past decade. Remove the warning now. tty_get_baud_rate can now be inline. This gives us one less EXPORT_SYMBOL. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/tty.h')
-rw-r--r--include/linux/tty.h18
1 files changed, 16 insertions, 2 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 189ca80494d1..63b62865c8e9 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -255,7 +255,6 @@ struct tty_struct {
int count;
struct winsize winsize; /* termios mutex */
unsigned char stopped:1, hw_stopped:1, flow_stopped:1, packet:1;
- unsigned char warned:1;
unsigned char ctrl_status; /* ctrl_lock */
unsigned int receive_room; /* Bytes free for queue */
int flow_change;
@@ -437,13 +436,28 @@ extern void tty_flush_to_ldisc(struct tty_struct *tty);
extern void tty_buffer_free_all(struct tty_port *port);
extern void tty_buffer_flush(struct tty_struct *tty);
extern void tty_buffer_init(struct tty_port *port);
-extern speed_t tty_get_baud_rate(struct tty_struct *tty);
extern speed_t tty_termios_baud_rate(struct ktermios *termios);
extern speed_t tty_termios_input_baud_rate(struct ktermios *termios);
extern void tty_termios_encode_baud_rate(struct ktermios *termios,
speed_t ibaud, speed_t obaud);
extern void tty_encode_baud_rate(struct tty_struct *tty,
speed_t ibaud, speed_t obaud);
+
+/**
+ * tty_get_baud_rate - get tty bit rates
+ * @tty: tty to query
+ *
+ * Returns the baud rate as an integer for this terminal. The
+ * termios lock must be held by the caller and the terminal bit
+ * flags may be updated.
+ *
+ * Locking: none
+ */
+static inline speed_t tty_get_baud_rate(struct tty_struct *tty)
+{
+ return tty_termios_baud_rate(&tty->termios);
+}
+
extern void tty_termios_copy_hw(struct ktermios *new, struct ktermios *old);
extern int tty_termios_hw_change(struct ktermios *a, struct ktermios *b);
extern int tty_set_termios(struct tty_struct *tty, struct ktermios *kt);