Commit ee0bab83 authored by Peter Hurley's avatar Peter Hurley Committed by Greg Kroah-Hartman
Browse files

n_tty: Move n_tty_write_wakeup() to avoid forward declaration 



Prepare to special case pty flow control; avoid forward declaration.

Signed-off-by: default avatarPeter Hurley <peter@hurleysoftware.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 6367ca72

drivers/tty/n_tty.c

+15 −16
Original line number Diff line number Diff line
@@ -214,6 +214,21 @@ static ssize_t chars_in_buffer(struct tty_struct *tty) 
	return n;

}



/**

 *	n_tty_write_wakeup	-	asynchronous I/O notifier

 *	@tty: tty device

 *

 *	Required for the ptys, serial driver etc. since processes

 *	that attach themselves to the master and rely on ASYNC

 *	IO must be woken up

 */



static void n_tty_write_wakeup(struct tty_struct *tty)

{

	if (tty->fasync && test_and_clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags))

		kill_fasync(&tty->fasync, SIGIO, POLL_OUT);

}



static inline void n_tty_check_throttle(struct tty_struct *tty)

{

	/*
@@ -1458,22 +1473,6 @@ static inline void n_tty_receive_char(struct tty_struct *tty, unsigned char c) 
	put_tty_queue(c, ldata);

}





/**

 *	n_tty_write_wakeup	-	asynchronous I/O notifier

 *	@tty: tty device

 *

 *	Required for the ptys, serial driver etc. since processes

 *	that attach themselves to the master and rely on ASYNC

 *	IO must be woken up

 */



static void n_tty_write_wakeup(struct tty_struct *tty)

{

	if (tty->fasync && test_and_clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags))

		kill_fasync(&tty->fasync, SIGIO, POLL_OUT);

}



/**

 *	n_tty_receive_buf	-	data receive

 *	@tty: terminal device