linux-kernel - [PATCH 20/68] TTY: iss/console, use tty

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Message-Id: <1330955575-26641-21-git-send-email-jslaby@suse.cz>
Date:	Mon,  5 Mar 2012 14:52:07 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	gregkh@...uxfoundation.org
Cc:	alan@...ux.intel.com, linux-serial@...r.kernel.org,
	linux-kernel@...r.kernel.org, jirislaby@...il.com,
	Chris Zankel <chris@...kel.net>
Subject: [PATCH 20/68] TTY: iss/console, use tty_port

Even though the port is not used for anything real there yet, this
will change as tty buffers will be in tty_port in the near future. So
the port will be needed in all drivers.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
Cc: Chris Zankel <chris@...kel.net>
---
 arch/xtensa/platforms/iss/console.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index 94ab8ec..d1a7861 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -37,6 +37,7 @@
 #define SERIAL_TIMER_VALUE (20 * HZ)
 
 static struct tty_driver *serial_driver;
+static struct tty_port serial_port;
 static struct timer_list serial_timer;
 
 static DEFINE_SPINLOCK(timer_lock);
@@ -68,6 +69,7 @@ static void rs_poll(unsigned long);
 
 static int rs_open(struct tty_struct *tty, struct file * filp)
 {
+	tty->port = &serial_port;
 	spin_lock(&timer_lock);
 	if (tty->count == 1) {
 		setup_timer(&serial_timer, rs_poll, (unsigned long)tty);
@@ -202,6 +204,8 @@ static const struct tty_operations serial_ops = {
 
 int __init rs_init(void)
 {
+	tty_port_init(&serial_port);
+
 	serial_driver = alloc_tty_driver(SERIAL_MAX_NUM_LINES);
 
 	printk ("%s %s\n", serial_name, serial_version);
-- 
1.7.9.2


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