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path: root/drivers/tty/serial/msm_smd_tty.c
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Diffstat (limited to 'drivers/tty/serial/msm_smd_tty.c')
-rw-r--r--drivers/tty/serial/msm_smd_tty.c30
1 files changed, 13 insertions, 17 deletions
diff --git a/drivers/tty/serial/msm_smd_tty.c b/drivers/tty/serial/msm_smd_tty.c
index beeff1e8609..1238ac370bf 100644
--- a/drivers/tty/serial/msm_smd_tty.c
+++ b/drivers/tty/serial/msm_smd_tty.c
@@ -1,5 +1,4 @@
-/* drivers/tty/serial/msm_smd_tty.c
- *
+/*
* Copyright (C) 2007 Google, Inc.
* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
* Author: Brian Swetland <swetland@google.com>
@@ -71,7 +70,7 @@ static void smd_tty_notify(void *priv, unsigned event)
if (avail == 0)
break;
- avail = tty_prepare_flip_string(tty, &ptr, avail);
+ avail = tty_prepare_flip_string(&info->port, &ptr, avail);
if (smd_read(info->ch, ptr, avail) != avail) {
/* shouldn't be possible since we're in interrupt
@@ -81,7 +80,7 @@ static void smd_tty_notify(void *priv, unsigned event)
pr_err("OOPS - smd_tty_buffer mismatch?!");
}
- tty_flip_buffer_push(tty);
+ tty_flip_buffer_push(&info->port);
}
/* XXX only when writable and necessary */
@@ -91,13 +90,13 @@ static void smd_tty_notify(void *priv, unsigned event)
static int smd_tty_port_activate(struct tty_port *tport, struct tty_struct *tty)
{
+ struct smd_tty_info *info = container_of(tport, struct smd_tty_info,
+ port);
int i, res = 0;
- int n = tty->index;
const char *name = NULL;
- struct smd_tty_info *info = smd_tty + n;
for (i = 0; i < smd_tty_channels_len; i++) {
- if (smd_tty_channels[i].id == n) {
+ if (smd_tty_channels[i].id == tty->index) {
name = smd_tty_channels[i].name;
break;
}
@@ -118,17 +117,13 @@ static int smd_tty_port_activate(struct tty_port *tport, struct tty_struct *tty)
static void smd_tty_port_shutdown(struct tty_port *tport)
{
- struct smd_tty_info *info;
- struct tty_struct *tty = tty_port_tty_get(tport);
+ struct smd_tty_info *info = container_of(tport, struct smd_tty_info,
+ port);
- info = tty->driver_data;
if (info->ch) {
smd_close(info->ch);
info->ch = 0;
}
-
- tty->driver_data = 0;
- tty_kref_put(tty);
}
static int smd_tty_open(struct tty_struct *tty, struct file *f)
@@ -204,7 +199,6 @@ static int __init smd_tty_init(void)
if (smd_tty_driver == 0)
return -ENOMEM;
- smd_tty_driver->owner = THIS_MODULE;
smd_tty_driver->driver_name = "smd_tty_driver";
smd_tty_driver->name = "smd";
smd_tty_driver->major = 0;
@@ -225,9 +219,11 @@ static int __init smd_tty_init(void)
return ret;
for (i = 0; i < smd_tty_channels_len; i++) {
- tty_port_init(&smd_tty[smd_tty_channels[i].id].port);
- smd_tty[smd_tty_channels[i].id].port.ops = &smd_tty_port_ops;
- tty_register_device(smd_tty_driver, smd_tty_channels[i].id, 0);
+ struct tty_port *port = &smd_tty[smd_tty_channels[i].id].port;
+ tty_port_init(port);
+ port->ops = &smd_tty_port_ops;
+ tty_port_register_device(port, smd_tty_driver,
+ smd_tty_channels[i].id, NULL);
}
return 0;