linux-kernel - [PATCH 5/5] tty: fix tty_port_tty

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Message-ID: <20250623074606.456532-6-jirislaby@kernel.org>
Date: Mon, 23 Jun 2025 09:46:06 +0200
From: "Jiri Slaby (SUSE)" <jirislaby@...nel.org>
To: gregkh@...uxfoundation.org
Cc: linux-serial@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Jiri Slaby (SUSE)" <jirislaby@...nel.org>,
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
	Jonathan Corbet <corbet@....net>,
	linux-doc@...r.kernel.org
Subject: [PATCH 5/5] tty: fix tty_port_tty_*hangup() kernel-doc

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@...nel.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@...ux.intel.com>
Cc: Jonathan Corbet <corbet@....net>
Cc: linux-doc@...r.kernel.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(-)

diff --git a/Documentation/driver-api/tty/tty_port.rst b/Documentation/driver-api/tty/tty_port.rst
index 5cb90e954fcf..504a353f2682 100644
--- 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
 -------------
diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c
index 903eebdbe12d..5b4d5fb99a59 100644
--- a/drivers/tty/tty_port.c
+++ b/drivers/tty/tty_port.c
@@ -391,11 +391,6 @@ void tty_port_hangup(struct tty_port *port)
 }
 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);
diff --git a/include/linux/tty_port.h b/include/linux/tty_port.h
index 021f9a8415c0..332ddb93603e 100644
--- a/include/linux/tty_port.h
+++ b/include/linux/tty_port.h
@@ -251,11 +251,20 @@ static inline int tty_port_users(struct tty_port *port)
 	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);
-- 
2.49.0