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| author |   Peter Hurley <peter@hurleysoftware.com> | 2013-09-18 20:47:06 -0400 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-25 18:08:34 -0700 |
| commit | 469d6d0631386e6865a30c9ded87a5cc0fdf8e2e (patch) | |
| tree | 7d63fb0239348d42bbbccaf21d6664caec01e8d7 /drivers/tty/tty_port.c | |
| parent | tty: Prevent tty_port destruction if tty not released (diff) | |
| download | linux-dev-469d6d0631386e6865a30c9ded87a5cc0fdf8e2e.tar.xz linux-dev-469d6d0631386e6865a30c9ded87a5cc0fdf8e2e.zip | |
tty: Remove unused drop() method from tty_port interface
Although originally conceived as a hook for port drivers to know
when a port reference is dropped, no driver uses this method.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/tty_port.c')
| -rw-r--r-- | drivers/tty/tty_port.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c index 7efbca474689..c94d2349dd06 100644 --- a/drivers/tty/tty_port.c +++ b/drivers/tty/tty_port.c @@ -484,8 +484,6 @@ int tty_port_close_start(struct tty_port *port, if (port->count) { spin_unlock_irqrestore(&port->lock, flags); - if (port->ops->drop) - port->ops->drop(port); return 0; } set_bit(ASYNCB_CLOSING, &port->flags); @@ -504,9 +502,7 @@ int tty_port_close_start(struct tty_port *port, /* Flush the ldisc buffering */ tty_ldisc_flush(tty); - /* Don't call port->drop for the last reference. Callers will want - to drop the last active reference in ->shutdown() or the tty - shutdown path */ + /* Report to caller this is the last port reference */ return 1; } EXPORT_SYMBOL(tty_port_close_start); |