diff --git a/[refs] b/[refs]
index 2ef0cfb102ae..3d6aecefe209 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b0d17fbdacb32f9f4b9ee1ad2b8f42f6a480d842
+refs/heads/master: e0f8d323f34dee3f47388dc3d87e7c428b077a0d
diff --git a/trunk/drivers/ipack/devices/ipoctal.c b/trunk/drivers/ipack/devices/ipoctal.c
index 8666d2d05eef..0b3c4b8fe830 100644
--- a/trunk/drivers/ipack/devices/ipoctal.c
+++ b/trunk/drivers/ipack/devices/ipoctal.c
@@ -625,6 +625,22 @@ static void ipoctal_hangup(struct tty_struct *tty)
 	wake_up_interruptible(&channel->tty_port.open_wait);
 }
 
+static void ipoctal_shutdown(struct tty_struct *tty)
+{
+	struct ipoctal_channel *channel = tty->driver_data;
+
+	if (channel == NULL)
+		return;
+
+	iowrite8(CR_DISABLE_RX | CR_DISABLE_TX, &channel->regs->w.cr);
+	channel->rx_enable = 0;
+	iowrite8(CR_CMD_RESET_RX, &channel->regs->w.cr);
+	iowrite8(CR_CMD_RESET_TX, &channel->regs->w.cr);
+	iowrite8(CR_CMD_RESET_ERR_STATUS, &channel->regs->w.cr);
+	iowrite8(CR_CMD_RESET_MR, &channel->regs->w.cr);
+	clear_bit(ASYNCB_INITIALIZED, &channel->tty_port.flags);
+}
+
 static const struct tty_operations ipoctal_fops = {
 	.ioctl =		NULL,
 	.open =			ipoctal_open,
@@ -635,6 +651,7 @@ static const struct tty_operations ipoctal_fops = {
 	.chars_in_buffer =	ipoctal_chars_in_buffer,
 	.get_icount =		ipoctal_get_icount,
 	.hangup =		ipoctal_hangup,
+	.shutdown =		ipoctal_shutdown,
 };
 
 static int ipoctal_probe(struct ipack_device *dev)