[PATCH 6.12 531/567] tty: fix tty_port_tty_*hangup() kernel-doc

Greg Kroah-Hartman
2026-01-06T17:45:29Z

From: Jiri Slaby (SUSE) <jirislaby@kernel.org>

commit 6241b49540a65a6d5274fa938fd3eb4cbfe2e076 upstream.

The commit below added a new helper, but omitted to move (and add) the
corressponding kernel-doc. Do it now.

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Fixes: 2b5eac0f8c6e ("tty: introduce and use tty_port_tty_vhangup() helper")
Link: https://lore.kernel.org/all/b23d566c-09dc-7374-cc87-0ad4660e8b2e@linux.intel.com/
Reported-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Link: https://lore.kernel.org/r/20250624080641.509959-6-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/driver-api/tty/tty_port.rst | 5 +++--
drivers/tty/tty_port.c | 5 -----
include/linux/tty_port.h | 9 +++++++++
3 files changed, 12 insertions(+), 7 deletions(-)

--- a/Documentation/driver-api/tty/tty_port.rst
+++ b/Documentation/driver-api/tty/tty_port.rst
@@ -42,9 +42,10 @@ TTY Refcounting
TTY Helpers
-----------

+.. kernel-doc:: include/linux/tty_port.h
+ :identifiers: tty_port_tty_hangup tty_port_tty_vhangup
.. kernel-doc:: drivers/tty/tty_port.c
- :identifiers: tty_port_tty_hangup tty_port_tty_wakeup
-
+ :identifiers: tty_port_tty_wakeup

Modem Signals
-------------
--- a/drivers/tty/tty_port.c
+++ b/drivers/tty/tty_port.c
@@ -411,11 +411,6 @@ void tty_port_hangup(struct tty_port *po
}
EXPORT_SYMBOL(tty_port_hangup);

-/**
- * tty_port_tty_hangup - helper to hang up a tty
- * @port: tty port
- * @check_clocal: hang only ttys with %CLOCAL unset?
- */
void __tty_port_tty_hangup(struct tty_port *port, bool check_clocal, bool async)
{
struct tty_struct *tty = tty_port_tty_get(port);
--- a/include/linux/tty_port.h
+++ b/include/linux/tty_port.h
@@ -254,11 +254,20 @@ static inline int tty_port_users(struct
return port->count + port->blocked_open;
}

+/**
+ * tty_port_tty_hangup - helper to hang up a tty asynchronously
+ * @port: tty port
+ * @check_clocal: hang only ttys with %CLOCAL unset?
+ */
static inline void tty_port_tty_hangup(struct tty_port *port, bool check_clocal)
{
__tty_port_tty_hangup(port, check_clocal, true);
}

+/**
+ * tty_port_tty_vhangup - helper to hang up a tty synchronously
+ * @port: tty port
+ */
static inline void tty_port_tty_vhangup(struct tty_port *port)
{
__tty_port_tty_hangup(port, false, false);