linux-kernel - [PATCH 18/24] TTY: provide drivers with tty_port

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Date:	Mon,  4 Jun 2012 13:35:32 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	gregkh@...uxfoundation.org
Cc:	alan@...ux.intel.com, linux-kernel@...r.kernel.org,
	jirislaby@...il.com
Subject: [PATCH 18/24] TTY: provide drivers with tty_port_install

This will be used in tty_ops->install to set tty->port (and to call
tty_standard_install).

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/tty/tty_port.c |    8 ++++++++
 include/linux/tty.h    |    2 ++
 2 files changed, 10 insertions(+)

diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c
index bf6e238..1ac8abf 100644
--- a/drivers/tty/tty_port.c
+++ b/drivers/tty/tty_port.c
@@ -413,6 +413,14 @@ void tty_port_close(struct tty_port *port, struct tty_struct *tty,
 }
 EXPORT_SYMBOL(tty_port_close);
 
+int tty_port_install(struct tty_port *port, struct tty_driver *driver,
+		struct tty_struct *tty)
+{
+	tty->port = port;
+	return tty_standard_install(driver, tty);
+}
+EXPORT_SYMBOL_GPL(tty_port_install);
+
 int tty_port_open(struct tty_port *port, struct tty_struct *tty,
 							struct file *filp)
 {
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 9f47ab5..45ef71d 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -521,6 +521,8 @@ extern int tty_port_close_start(struct tty_port *port,
 extern void tty_port_close_end(struct tty_port *port, struct tty_struct *tty);
 extern void tty_port_close(struct tty_port *port,
 				struct tty_struct *tty, struct file *filp);
+extern int tty_port_install(struct tty_port *port, struct tty_driver *driver,
+				struct tty_struct *tty);
 extern int tty_port_open(struct tty_port *port,
 				struct tty_struct *tty, struct file *filp);
 static inline int tty_port_users(struct tty_port *port)
-- 
1.7.10.3


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