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tty: Remove tty_port::close_wait

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With the removal of tty_wait_until_sent_from_close(), tty drivers
no longer wait during open for parallel closes to complete (instead,
the tty core waits before calling the driver open() method). Thus,
the close_wait waitqueue is no longer used for waiting.

Remove struct tty_port::close_wait.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley
2015-10-10 16:00:54 -04:00
committed by Greg Kroah-Hartman
parent b140dfe622
commit cc2aaabfd6
6 changed files with 0 additions and 7 deletions
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drivers/tty/rocket.c
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@@ -1049,7 +1049,6 @@ static void rp_close(struct tty_struct *tty, struct file *filp)
mutex_unlock(&port->mutex);
tty_port_tty_set(port, NULL);
wake_up_interruptible(&port->close_wait);
complete_all(&info->close_wait);
atomic_dec(&rp_num_ports_open);