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path: root/drivers/isdn/gigaset/interface.c
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Diffstat (limited to 'drivers/isdn/gigaset/interface.c')
-rw-r--r--drivers/isdn/gigaset/interface.c39
1 files changed, 18 insertions, 21 deletions
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 6a8e1384e7b..577809c03ae 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -162,7 +162,7 @@ static int if_open(struct tty_struct *tty, struct file *filp)
return -ENODEV;
if (mutex_lock_interruptible(&cs->mutex))
- return -ERESTARTSYS; // FIXME -EINTR?
+ return -ERESTARTSYS;
tty->driver_data = cs;
++cs->open_count;
@@ -171,7 +171,7 @@ static int if_open(struct tty_struct *tty, struct file *filp)
spin_lock_irqsave(&cs->lock, flags);
cs->tty = tty;
spin_unlock_irqrestore(&cs->lock, flags);
- tty->low_latency = 1; //FIXME test
+ tty->low_latency = 1;
}
mutex_unlock(&cs->mutex);
@@ -228,7 +228,7 @@ static int if_ioctl(struct tty_struct *tty, struct file *file,
gig_dbg(DEBUG_IF, "%u: %s(0x%x)", cs->minor_index, __func__, cmd);
if (mutex_lock_interruptible(&cs->mutex))
- return -ERESTARTSYS; // FIXME -EINTR?
+ return -ERESTARTSYS;
if (!cs->connected) {
gig_dbg(DEBUG_IF, "not connected");
@@ -299,9 +299,8 @@ static int if_tiocmget(struct tty_struct *tty, struct file *file)
gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
if (mutex_lock_interruptible(&cs->mutex))
- return -ERESTARTSYS; // FIXME -EINTR?
+ return -ERESTARTSYS;
- // FIXME read from device?
retval = cs->control_state & (TIOCM_RTS|TIOCM_DTR);
mutex_unlock(&cs->mutex);
@@ -326,7 +325,7 @@ static int if_tiocmset(struct tty_struct *tty, struct file *file,
cs->minor_index, __func__, set, clear);
if (mutex_lock_interruptible(&cs->mutex))
- return -ERESTARTSYS; // FIXME -EINTR?
+ return -ERESTARTSYS;
if (!cs->connected) {
gig_dbg(DEBUG_IF, "not connected");
@@ -356,7 +355,7 @@ static int if_write(struct tty_struct *tty, const unsigned char *buf, int count)
gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
if (mutex_lock_interruptible(&cs->mutex))
- return -ERESTARTSYS; // FIXME -EINTR?
+ return -ERESTARTSYS;
if (!cs->connected) {
gig_dbg(DEBUG_IF, "not connected");
@@ -390,7 +389,7 @@ static int if_write_room(struct tty_struct *tty)
gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
if (mutex_lock_interruptible(&cs->mutex))
- return -ERESTARTSYS; // FIXME -EINTR?
+ return -ERESTARTSYS;
if (!cs->connected) {
gig_dbg(DEBUG_IF, "not connected");
@@ -455,9 +454,8 @@ static void if_throttle(struct tty_struct *tty)
gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */
else if (!cs->open_count)
dev_warn(cs->dev, "%s: device not opened\n", __func__);
- else {
- //FIXME
- }
+ else
+ gig_dbg(DEBUG_ANY, "%s: not implemented\n", __func__);
mutex_unlock(&cs->mutex);
}
@@ -480,9 +478,8 @@ static void if_unthrottle(struct tty_struct *tty)
gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */
else if (!cs->open_count)
dev_warn(cs->dev, "%s: device not opened\n", __func__);
- else {
- //FIXME
- }
+ else
+ gig_dbg(DEBUG_ANY, "%s: not implemented\n", __func__);
mutex_unlock(&cs->mutex);
}
@@ -515,10 +512,9 @@ static void if_set_termios(struct tty_struct *tty, struct ktermios *old)
goto out;
}
- // stolen from mct_u232.c
iflag = tty->termios->c_iflag;
cflag = tty->termios->c_cflag;
- old_cflag = old ? old->c_cflag : cflag; //FIXME?
+ old_cflag = old ? old->c_cflag : cflag;
gig_dbg(DEBUG_IF, "%u: iflag %x cflag %x old %x",
cs->minor_index, iflag, cflag, old_cflag);
@@ -632,7 +628,8 @@ void gigaset_if_receive(struct cardstate *cs,
struct tty_struct *tty;
spin_lock_irqsave(&cs->lock, flags);
- if ((tty = cs->tty) == NULL)
+ tty = cs->tty;
+ if (tty == NULL)
gig_dbg(DEBUG_ANY, "receive on closed device");
else {
tty_buffer_request_room(tty, len);
@@ -659,9 +656,9 @@ void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname,
drv->have_tty = 0;
- if ((drv->tty = alloc_tty_driver(minors)) == NULL)
+ drv->tty = tty = alloc_tty_driver(minors);
+ if (tty == NULL)
goto enomem;
- tty = drv->tty;
tty->magic = TTY_DRIVER_MAGIC,
tty->major = GIG_MAJOR,
@@ -676,8 +673,8 @@ void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname,
tty->owner = THIS_MODULE;
- tty->init_termios = tty_std_termios; //FIXME
- tty->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; //FIXME
+ tty->init_termios = tty_std_termios;
+ tty->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
tty_set_operations(tty, &if_ops);
ret = tty_register_driver(tty);