TTY: ipwireless, add tty_port
And use count from that.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Jiri Kosina <jkosina@suse.cz>
Acked-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c
index 4270bfd..0b4964d 100644
--- a/drivers/tty/ipwireless/tty.c
+++ b/drivers/tty/ipwireless/tty.c
@@ -44,6 +44,7 @@
#define TTYTYPE_RAS_RAW (2)
struct ipw_tty {
+ struct tty_port port;
int index;
struct ipw_hardware *hardware;
unsigned int channel_idx;
@@ -51,7 +52,6 @@
int tty_type;
struct ipw_network *network;
struct tty_struct *linux_tty;
- int open_count;
unsigned int control_lines;
struct mutex ipw_tty_mutex;
int tx_bytes_queued;
@@ -100,10 +100,10 @@
mutex_unlock(&tty->ipw_tty_mutex);
return -ENODEV;
}
- if (tty->open_count == 0)
+ if (tty->port.count == 0)
tty->tx_bytes_queued = 0;
- tty->open_count++;
+ tty->port.count++;
tty->linux_tty = linux_tty;
linux_tty->driver_data = tty;
@@ -119,9 +119,9 @@
static void do_ipw_close(struct ipw_tty *tty)
{
- tty->open_count--;
+ tty->port.count--;
- if (tty->open_count == 0) {
+ if (tty->port.count == 0) {
struct tty_struct *linux_tty = tty->linux_tty;
if (linux_tty != NULL) {
@@ -142,7 +142,7 @@
return;
mutex_lock(&tty->ipw_tty_mutex);
- if (tty->open_count == 0) {
+ if (tty->port.count == 0) {
mutex_unlock(&tty->ipw_tty_mutex);
return;
}
@@ -171,7 +171,7 @@
return;
}
- if (!tty->open_count) {
+ if (!tty->port.count) {
mutex_unlock(&tty->ipw_tty_mutex);
return;
}
@@ -213,7 +213,7 @@
return -ENODEV;
mutex_lock(&tty->ipw_tty_mutex);
- if (!tty->open_count) {
+ if (!tty->port.count) {
mutex_unlock(&tty->ipw_tty_mutex);
return -EINVAL;
}
@@ -253,7 +253,7 @@
if (!tty)
return -ENODEV;
- if (!tty->open_count)
+ if (!tty->port.count)
return -EINVAL;
room = IPWIRELESS_TX_QUEUE_SIZE - tty->tx_bytes_queued;
@@ -295,7 +295,7 @@
if (!tty)
return 0;
- if (!tty->open_count)
+ if (!tty->port.count)
return 0;
return tty->tx_bytes_queued;
@@ -376,7 +376,7 @@
if (!tty)
return -ENODEV;
- if (!tty->open_count)
+ if (!tty->port.count)
return -EINVAL;
return get_control_lines(tty);
@@ -392,7 +392,7 @@
if (!tty)
return -ENODEV;
- if (!tty->open_count)
+ if (!tty->port.count)
return -EINVAL;
return set_control_lines(tty, set, clear);
@@ -406,7 +406,7 @@
if (!tty)
return -ENODEV;
- if (!tty->open_count)
+ if (!tty->port.count)
return -EINVAL;
/* FIXME: Exactly how is the tty object locked here .. */
@@ -475,6 +475,7 @@
ttys[j]->network = network;
ttys[j]->tty_type = tty_type;
mutex_init(&ttys[j]->ipw_tty_mutex);
+ tty_port_init(&ttys[j]->port);
tty_register_device(ipw_tty_driver, j, NULL);
ipwireless_associate_network_tty(network, channel_idx, ttys[j]);
@@ -561,7 +562,7 @@
* are gone */
mutex_lock(&ttyj->ipw_tty_mutex);
}
- while (ttyj->open_count)
+ while (ttyj->port.count)
do_ipw_close(ttyj);
ipwireless_disassociate_network_ttys(network,
ttyj->channel_idx);