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tty: Re-add external interface for tty_set_termios()
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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>
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Frederic Danis authored and Greg Kroah-Hartman committed Apr 28, 2015
1 parent b787f68 commit b00f5c2
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Showing 2 changed files with 3 additions and 1 deletion.
3 changes: 2 additions & 1 deletion drivers/tty/tty_ioctl.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down Expand Up @@ -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
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1 change: 1 addition & 0 deletions include/linux/tty.h
Original file line number Diff line number Diff line change
Expand Up @@ -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 *);
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