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Commit b00f5c2d authored by Frederic Danis's avatar Frederic Danis Committed by Greg Kroah-Hartman
Browse files

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: default avatarFrederic Danis <frederic.danis@linux.intel.com>
Reviewed-by: default avatarPeter Hurley <peter@hurleysoftware.com>
Cc: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b787f68c

drivers/tty/tty_ioctl.c

+2 −1
Original line number Diff line number Diff line
@@ -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

include/linux/tty.h

+1 −0
Original line number Diff line number Diff line
@@ -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 *);