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authorJiri Slaby <jslaby@suse.cz>2012-06-04 13:35:16 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-06-12 15:50:23 -0700
commita3cc9fcff84c4c8aaecda2420acd89a1418d57e9 (patch)
tree417fefbc96cdea1649186b483bab077c839a2f21 /net/irda/ircomm/ircomm_tty.c
parent718c4ca1f721be3ae67f9ff7d43b9a910e4a1ec3 (diff)
downloadlinux-a3cc9fcff84c4c8aaecda2420acd89a1418d57e9.tar.gz
TTY: ircomm, add tty_port
And use close/open_wait from there. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Samuel Ortiz <samuel@sortiz.org> Cc: netdev@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/irda/ircomm/ircomm_tty.c')
-rw-r--r--net/irda/ircomm/ircomm_tty.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c
index 6b9d5a0e42f..8eeaa8b7f4a 100644
--- a/net/irda/ircomm/ircomm_tty.c
+++ b/net/irda/ircomm/ircomm_tty.c
@@ -278,7 +278,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
*/
retval = 0;
- add_wait_queue(&self->open_wait, &wait);
+ add_wait_queue(&self->port.open_wait, &wait);
IRDA_DEBUG(2, "%s(%d):block_til_ready before block on %s open_count=%d\n",
__FILE__,__LINE__, tty->driver->name, self->open_count );
@@ -336,7 +336,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
}
__set_current_state(TASK_RUNNING);
- remove_wait_queue(&self->open_wait, &wait);
+ remove_wait_queue(&self->port.open_wait, &wait);
if (extra_count) {
/* ++ is not atomic, so this should be protected - Jean II */
@@ -381,6 +381,7 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp)
return -ENOMEM;
}
+ tty_port_init(&self->port);
self->magic = IRCOMM_TTY_MAGIC;
self->flow = FLOW_STOP;
@@ -393,8 +394,6 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp)
/* Init some important stuff */
init_timer(&self->watchdog_timer);
- init_waitqueue_head(&self->open_wait);
- init_waitqueue_head(&self->close_wait);
spin_lock_init(&self->spinlock);
/*
@@ -408,6 +407,7 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp)
tty->termios->c_oflag = 0;
/* Insert into hash */
+ /* FIXME there is a window from find to here */
hashbin_insert(ircomm_tty, (irda_queue_t *) self, line, NULL);
}
/* ++ is not atomic, so this should be protected - Jean II */
@@ -438,7 +438,8 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp)
* probably better sleep uninterruptible?
*/
- if (wait_event_interruptible(self->close_wait, !test_bit(ASYNC_B_CLOSING, &self->flags))) {
+ if (wait_event_interruptible(self->port.close_wait,
+ !test_bit(ASYNC_B_CLOSING, &self->flags))) {
IRDA_WARNING("%s - got signal while blocking on ASYNC_CLOSING!\n",
__func__);
return -ERESTARTSYS;
@@ -559,11 +560,11 @@ static void ircomm_tty_close(struct tty_struct *tty, struct file *filp)
if (self->blocked_open) {
if (self->close_delay)
schedule_timeout_interruptible(self->close_delay);
- wake_up_interruptible(&self->open_wait);
+ wake_up_interruptible(&self->port.open_wait);
}
self->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
- wake_up_interruptible(&self->close_wait);
+ wake_up_interruptible(&self->port.close_wait);
}
/*
@@ -1011,7 +1012,7 @@ static void ircomm_tty_hangup(struct tty_struct *tty)
self->open_count = 0;
spin_unlock_irqrestore(&self->spinlock, flags);
- wake_up_interruptible(&self->open_wait);
+ wake_up_interruptible(&self->port.open_wait);
}
/*
@@ -1084,7 +1085,7 @@ void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self)
(status & IRCOMM_CD) ? "on" : "off");
if (status & IRCOMM_CD) {
- wake_up_interruptible(&self->open_wait);
+ wake_up_interruptible(&self->port.open_wait);
} else {
IRDA_DEBUG(2,
"%s(), Doing serial hangup..\n", __func__ );
@@ -1103,7 +1104,7 @@ void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self)
tty->hw_stopped = 0;
/* Wake up processes blocked on open */
- wake_up_interruptible(&self->open_wait);
+ wake_up_interruptible(&self->port.open_wait);
schedule_work(&self->tqueue);
return;