tty: Re-add external interface for tty_set_termios()

This is needed by Bluetooth hci_uart module to be able to change speed
of Bluetooth controller and local UART.

Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Cc: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index 632fc815206169281af9aa13f6ca345eb846eabe..8e53fe4696647e6bbfd8951e3a96a0d070ce28af 100644 (file)
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -536,7 +536,7 @@ EXPORT_SYMBOL(tty_termios_hw_change);
  *     Locking: termios_rwsem
  */
 
-static int tty_set_termios(struct tty_struct *tty, struct ktermios *new_termios)
+int tty_set_termios(struct tty_struct *tty, struct ktermios *new_termios)
 {
        struct ktermios old_termios;
        struct tty_ldisc *ld;
@@ -569,6 +569,7 @@ static int tty_set_termios(struct tty_struct *tty, struct ktermios *new_termios)
        up_write(&tty->termios_rwsem);
        return 0;
 }
+EXPORT_SYMBOL_GPL(tty_set_termios);
 
 /**
  *     set_termios             -       set termios values for a tty

diff --git a/include/linux/tty.h b/include/linux/tty.h
index 358a337af598564f16b03bfa68a696ff85d4513b..fe5623c9af715fda985da02bcecb1c9451b3789c 100644 (file)
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -491,6 +491,7 @@ static inline speed_t tty_get_baud_rate(struct tty_struct *tty)
 
 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);
 
 extern struct tty_ldisc *tty_ldisc_ref(struct tty_struct *);
 extern void tty_ldisc_deref(struct tty_ldisc *);