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tty: Remove ASYNC_CLOSING

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The tty core no longer provides nor uses ASYNC_CLOSING; remove from
tty_port_close_start() and tty_port_close_end() as well as tty drivers
which open-code these state changes. Unfortunately, even though the
bit is masked from userspace, its inclusion in a uapi header precludes
removing the macro.

Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux-s390@vger.kernel.org
Cc: Mikael Starvik <starvik@axis.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: linux-cris-kernel@axis.com
Cc: Samuel Ortiz <samuel@sortiz.org>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley
2016-01-10 14:51:40 -08:00
committed by Greg Kroah-Hartman
parent a657eecd02
commit afc5ab0965
7 changed files with 5 additions and 14 deletions
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3
drivers/s390/char/con3215.c
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@@ -643,7 +643,6 @@ static void raw3215_shutdown(struct raw3215_info *raw)
if ((raw->flags & RAW3215_WORKING) ||
raw->queued_write != NULL ||
raw->queued_read != NULL) {
raw->port.flags |= ASYNC_CLOSING;
add_wait_queue(&raw->empty_wait, &wait);
set_current_state(TASK_INTERRUPTIBLE);
spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
@@ -651,7 +650,7 @@ static void raw3215_shutdown(struct raw3215_info *raw)
spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
remove_wait_queue(&raw->empty_wait, &wait);
set_current_state(TASK_RUNNING);
raw->port.flags &= ~(ASYNC_INITIALIZED | ASYNC_CLOSING);
raw->port.flags &= ~ASYNC_INITIALIZED;
}
spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
}