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path: root/drivers/tty/ipwireless
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-rw-r--r--drivers/tty/ipwireless/hardware.c6
-rw-r--r--drivers/tty/ipwireless/network.c4
-rw-r--r--drivers/tty/ipwireless/tty.c32
3 files changed, 17 insertions, 25 deletions
diff --git a/drivers/tty/ipwireless/hardware.c b/drivers/tty/ipwireless/hardware.c
index 6bbf35682d53..f5d3e68f5750 100644
--- a/drivers/tty/ipwireless/hardware.c
+++ b/drivers/tty/ipwireless/hardware.c
@@ -1006,9 +1006,9 @@ static int send_pending_packet(struct ipw_hardware *hw, int priority_limit)
/*
* Send and receive all queued packets.
*/
-static void ipwireless_do_tasklet(unsigned long hw_)
+static void ipwireless_do_tasklet(struct tasklet_struct *t)
{
- struct ipw_hardware *hw = (struct ipw_hardware *) hw_;
+ struct ipw_hardware *hw = from_tasklet(hw, t, tasklet);
unsigned long flags;
spin_lock_irqsave(&hw->lock, flags);
@@ -1635,7 +1635,7 @@ struct ipw_hardware *ipwireless_hardware_create(void)
INIT_LIST_HEAD(&hw->rx_queue);
INIT_LIST_HEAD(&hw->rx_pool);
spin_lock_init(&hw->lock);
- tasklet_init(&hw->tasklet, ipwireless_do_tasklet, (unsigned long) hw);
+ tasklet_setup(&hw->tasklet, ipwireless_do_tasklet);
INIT_WORK(&hw->work_rx, ipw_receive_data_work);
timer_setup(&hw->setup_timer, ipwireless_setup_timer, 0);
diff --git a/drivers/tty/ipwireless/network.c b/drivers/tty/ipwireless/network.c
index cf20616340a1..fe569f6294a2 100644
--- a/drivers/tty/ipwireless/network.c
+++ b/drivers/tty/ipwireless/network.c
@@ -117,7 +117,7 @@ static int ipwireless_ppp_start_xmit(struct ppp_channel *ppp_channel,
skb->len,
notify_packet_sent,
network);
- if (ret == -1) {
+ if (ret < 0) {
skb_pull(skb, 2);
return 0;
}
@@ -134,7 +134,7 @@ static int ipwireless_ppp_start_xmit(struct ppp_channel *ppp_channel,
notify_packet_sent,
network);
kfree(buf);
- if (ret == -1)
+ if (ret < 0)
return 0;
}
kfree_skb(skb);
diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c
index fad3401e604d..9edd5ae17580 100644
--- a/drivers/tty/ipwireless/tty.c
+++ b/drivers/tty/ipwireless/tty.c
@@ -54,7 +54,6 @@ struct ipw_tty {
unsigned int control_lines;
struct mutex ipw_tty_mutex;
int tx_bytes_queued;
- int closing;
};
static struct ipw_tty *ttys[IPWIRELESS_PCMCIA_MINORS];
@@ -101,7 +100,6 @@ static int ipw_open(struct tty_struct *linux_tty, struct file *filp)
tty->port.tty = linux_tty;
linux_tty->driver_data = tty;
- tty->port.low_latency = 1;
if (tty->tty_type == TTYTYPE_MODEM)
ipwireless_ppp_open(tty->network);
@@ -218,7 +216,7 @@ static int ipw_write(struct tty_struct *linux_tty,
ret = ipwireless_send_packet(tty->hardware, IPW_CHANNEL_RAS,
buf, count,
ipw_write_packet_sent_callback, tty);
- if (ret == -1) {
+ if (ret < 0) {
mutex_unlock(&tty->ipw_tty_mutex);
return 0;
}
@@ -229,17 +227,17 @@ static int ipw_write(struct tty_struct *linux_tty,
return count;
}
-static int ipw_write_room(struct tty_struct *linux_tty)
+static unsigned int ipw_write_room(struct tty_struct *linux_tty)
{
struct ipw_tty *tty = linux_tty->driver_data;
int room;
/* FIXME: Exactly how is the tty object locked here .. */
if (!tty)
- return -ENODEV;
+ return 0;
if (!tty->port.count)
- return -EINVAL;
+ return 0;
room = IPWIRELESS_TX_QUEUE_SIZE - tty->tx_bytes_queued;
if (room < 0)
@@ -271,7 +269,7 @@ static int ipwireless_set_serial_info(struct tty_struct *linux_tty,
return 0; /* Keeps the PCMCIA scripts happy. */
}
-static int ipw_chars_in_buffer(struct tty_struct *linux_tty)
+static unsigned int ipw_chars_in_buffer(struct tty_struct *linux_tty)
{
struct ipw_tty *tty = linux_tty->driver_data;
@@ -526,7 +524,6 @@ void ipwireless_tty_free(struct ipw_tty *tty)
printk(KERN_INFO IPWIRELESS_PCCARD_NAME
": deregistering %s device ttyIPWp%d\n",
tty_type_name(ttyj->tty_type), j);
- ttyj->closing = 1;
if (ttyj->port.tty != NULL) {
mutex_unlock(&ttyj->ipw_tty_mutex);
tty_vhangup(ttyj->port.tty);
@@ -567,9 +564,10 @@ int ipwireless_tty_init(void)
{
int result;
- ipw_tty_driver = alloc_tty_driver(IPWIRELESS_PCMCIA_MINORS);
- if (!ipw_tty_driver)
- return -ENOMEM;
+ ipw_tty_driver = tty_alloc_driver(IPWIRELESS_PCMCIA_MINORS,
+ TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV);
+ if (IS_ERR(ipw_tty_driver))
+ return PTR_ERR(ipw_tty_driver);
ipw_tty_driver->driver_name = IPWIRELESS_PCCARD_NAME;
ipw_tty_driver->name = "ttyIPWp";
@@ -577,7 +575,6 @@ int ipwireless_tty_init(void)
ipw_tty_driver->minor_start = IPWIRELESS_PCMCIA_START;
ipw_tty_driver->type = TTY_DRIVER_TYPE_SERIAL;
ipw_tty_driver->subtype = SERIAL_TYPE_NORMAL;
- ipw_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
ipw_tty_driver->init_termios = tty_std_termios;
ipw_tty_driver->init_termios.c_cflag =
B9600 | CS8 | CREAD | HUPCL | CLOCAL;
@@ -588,7 +585,7 @@ int ipwireless_tty_init(void)
if (result) {
printk(KERN_ERR IPWIRELESS_PCCARD_NAME
": failed to register tty driver\n");
- put_tty_driver(ipw_tty_driver);
+ tty_driver_kref_put(ipw_tty_driver);
return result;
}
@@ -597,13 +594,8 @@ int ipwireless_tty_init(void)
void ipwireless_tty_release(void)
{
- int ret;
-
- ret = tty_unregister_driver(ipw_tty_driver);
- put_tty_driver(ipw_tty_driver);
- if (ret != 0)
- printk(KERN_ERR IPWIRELESS_PCCARD_NAME
- ": tty_unregister_driver failed with code %d\n", ret);
+ tty_unregister_driver(ipw_tty_driver);
+ tty_driver_kref_put(ipw_tty_driver);
}
int ipwireless_tty_is_modem(struct ipw_tty *tty)