diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2012-04-02 15:54:33 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-09 22:30:39 +0400 |
| commit | 7393af808fe1564ad34289b507b950445dfc06ac (patch) | |
| tree | aa377da11b0f0c8b70718e36203f5a8bdaa7abfc /drivers/tty/ipwireless/tty.c | |
| parent | e6df3cce07a25d7d65c7d3d2cec87cbf02fd21f0 (diff) | |
| download | linux-7393af808fe1564ad34289b507b950445dfc06ac.tar.xz | |
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>
Diffstat (limited to 'drivers/tty/ipwireless/tty.c')
| -rw-r--r-- | drivers/tty/ipwireless/tty.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c index 4270bfd59a7f..0b4964d1eea5 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 @@ struct ipw_tty { 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 @@ static int ipw_open(struct tty_struct *linux_tty, struct file *filp) 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 int ipw_open(struct tty_struct *linux_tty, struct file *filp) 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 @@ static void ipw_hangup(struct tty_struct *linux_tty) 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 @@ void ipwireless_tty_received(struct ipw_tty *tty, unsigned char *data, return; } - if (!tty->open_count) { + if (!tty->port.count) { mutex_unlock(&tty->ipw_tty_mutex); return; } @@ -213,7 +213,7 @@ static int ipw_write(struct tty_struct *linux_tty, 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 @@ static int ipw_write_room(struct tty_struct *linux_tty) 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 @@ static int ipw_chars_in_buffer(struct tty_struct *linux_tty) if (!tty) return 0; - if (!tty->open_count) + if (!tty->port.count) return 0; return tty->tx_bytes_queued; @@ -376,7 +376,7 @@ static int ipw_tiocmget(struct tty_struct *linux_tty) if (!tty) return -ENODEV; - if (!tty->open_count) + if (!tty->port.count) return -EINVAL; return get_control_lines(tty); @@ -392,7 +392,7 @@ ipw_tiocmset(struct tty_struct *linux_tty, 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 @@ static int ipw_ioctl(struct tty_struct *linux_tty, 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 @@ static int add_tty(int j, 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 @@ void ipwireless_tty_free(struct ipw_tty *tty) * 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); |