diff options
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
-rw-r--r-- | drivers/usb/serial/usb-serial.c | 82 |
1 files changed, 41 insertions, 41 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 353798631903..ffaed8ace066 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -143,7 +143,7 @@ static void destroy_serial(struct kref *kref) return_serial(serial); for (i = 0; i < serial->num_ports; ++i) - serial->port[i]->open_count = 0; + serial->port[i]->port.count = 0; /* the ports are cleaned up and released in port_release() */ for (i = 0; i < serial->num_ports; ++i) @@ -208,14 +208,14 @@ static int serial_open (struct tty_struct *tty, struct file * filp) goto bailout_kref_put; } - ++port->open_count; + ++port->port.count; /* set up our port structure making the tty driver * remember our port object, and us it */ tty->driver_data = port; - port->tty = tty; + port->port.tty = tty; - if (port->open_count == 1) { + if (port->port.count == 1) { /* lock this module before we call it * this may fail, which means we must bail out, @@ -230,7 +230,7 @@ static int serial_open (struct tty_struct *tty, struct file * filp) goto bailout_module_put; /* only call the device specific open if this * is the first time the port is opened */ - retval = serial->type->open(port, filp); + retval = serial->type->open(tty, port, filp); if (retval) goto bailout_interface_put; } @@ -243,9 +243,9 @@ bailout_interface_put: bailout_module_put: module_put(serial->type->driver.owner); bailout_mutex_unlock: - port->open_count = 0; + port->port.count = 0; tty->driver_data = NULL; - port->tty = NULL; + port->port.tty = NULL; mutex_unlock(&port->mutex); bailout_kref_put: usb_serial_put(serial); @@ -263,26 +263,26 @@ static void serial_close(struct tty_struct *tty, struct file * filp) mutex_lock(&port->mutex); - if (port->open_count == 0) { + if (port->port.count == 0) { mutex_unlock(&port->mutex); return; } - --port->open_count; - if (port->open_count == 0) + --port->port.count; + if (port->port.count == 0) /* only call the device specific close if this * port is being closed by the last owner */ - port->serial->type->close(port, filp); + port->serial->type->close(tty, port, filp); - if (port->open_count == (port->console? 1 : 0)) { - if (port->tty) { - if (port->tty->driver_data) - port->tty->driver_data = NULL; - port->tty = NULL; + if (port->port.count == (port->console? 1 : 0)) { + if (port->port.tty) { + if (port->port.tty->driver_data) + port->port.tty->driver_data = NULL; + port->port.tty = NULL; } } - if (port->open_count == 0) { + if (port->port.count == 0) { mutex_lock(&port->serial->disc_mutex); if (!port->serial->disconnected) usb_autopm_put_interface(port->serial->interface); @@ -304,12 +304,12 @@ static int serial_write (struct tty_struct * tty, const unsigned char *buf, int dbg("%s - port %d, %d byte(s)", __func__, port->number, count); - /* open_count is managed under the mutex lock for the tty so cannot + /* count is managed under the mutex lock for the tty so cannot drop to zero until after the last close completes */ - WARN_ON(!port->open_count); + WARN_ON(!port->port.count); /* pass on to the driver specific version of this function */ - retval = port->serial->type->write(port, buf, count); + retval = port->serial->type->write(tty, port, buf, count); exit: return retval; @@ -319,9 +319,9 @@ static int serial_write_room (struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; dbg("%s - port %d", __func__, port->number); - WARN_ON(!port->open_count); + WARN_ON(!port->port.count); /* pass on to the driver specific version of this function */ - return port->serial->type->write_room(port); + return port->serial->type->write_room(tty); } static int serial_chars_in_buffer (struct tty_struct *tty) @@ -329,9 +329,9 @@ static int serial_chars_in_buffer (struct tty_struct *tty) struct usb_serial_port *port = tty->driver_data; dbg("%s = port %d", __func__, port->number); - WARN_ON(!port->open_count); + WARN_ON(!port->port.count); /* pass on to the driver specific version of this function */ - return port->serial->type->chars_in_buffer(port); + return port->serial->type->chars_in_buffer(tty); } static void serial_throttle (struct tty_struct * tty) @@ -339,10 +339,10 @@ static void serial_throttle (struct tty_struct * tty) struct usb_serial_port *port = tty->driver_data; dbg("%s - port %d", __func__, port->number); - WARN_ON(!port->open_count); + WARN_ON(!port->port.count); /* pass on to the driver specific version of this function */ if (port->serial->type->throttle) - port->serial->type->throttle(port); + port->serial->type->throttle(tty); } static void serial_unthrottle (struct tty_struct * tty) @@ -350,10 +350,10 @@ static void serial_unthrottle (struct tty_struct * tty) struct usb_serial_port *port = tty->driver_data; dbg("%s - port %d", __func__, port->number); - WARN_ON(!port->open_count); + WARN_ON(!port->port.count); /* pass on to the driver specific version of this function */ if (port->serial->type->unthrottle) - port->serial->type->unthrottle(port); + port->serial->type->unthrottle(tty); } static int serial_ioctl (struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg) @@ -363,12 +363,12 @@ static int serial_ioctl (struct tty_struct *tty, struct file * file, unsigned in dbg("%s - port %d, cmd 0x%.4x", __func__, port->number, cmd); - WARN_ON(!port->open_count); + WARN_ON(!port->port.count); /* pass on to the driver specific version of this function if it is available */ if (port->serial->type->ioctl) { lock_kernel(); - retval = port->serial->type->ioctl(port, file, cmd, arg); + retval = port->serial->type->ioctl(tty, file, cmd, arg); unlock_kernel(); } else @@ -381,10 +381,10 @@ static void serial_set_termios (struct tty_struct *tty, struct ktermios * old) struct usb_serial_port *port = tty->driver_data; dbg("%s - port %d", __func__, port->number); - WARN_ON(!port->open_count); + WARN_ON(!port->port.count); /* pass on to the driver specific version of this function if it is available */ if (port->serial->type->set_termios) - port->serial->type->set_termios(port, old); + port->serial->type->set_termios(tty, port, old); else tty_termios_copy_hw(tty->termios, old); } @@ -395,11 +395,11 @@ static void serial_break (struct tty_struct *tty, int break_state) dbg("%s - port %d", __func__, port->number); - WARN_ON(!port->open_count); + WARN_ON(!port->port.count); /* pass on to the driver specific version of this function if it is available */ if (port->serial->type->break_ctl) { lock_kernel(); - port->serial->type->break_ctl(port, break_state); + port->serial->type->break_ctl(tty, break_state); unlock_kernel(); } } @@ -457,9 +457,9 @@ static int serial_tiocmget (struct tty_struct *tty, struct file *file) dbg("%s - port %d", __func__, port->number); - WARN_ON(!port->open_count); + WARN_ON(!port->port.count); if (port->serial->type->tiocmget) - return port->serial->type->tiocmget(port, file); + return port->serial->type->tiocmget(tty, file); return -EINVAL; } @@ -470,9 +470,9 @@ static int serial_tiocmset (struct tty_struct *tty, struct file *file, dbg("%s - port %d", __func__, port->number); - WARN_ON(!port->open_count); + WARN_ON(!port->port.count); if (port->serial->type->tiocmset) - return port->serial->type->tiocmset(port, file, set, clear); + return port->serial->type->tiocmset(tty, file, set, clear); return -EINVAL; } @@ -497,7 +497,7 @@ static void usb_serial_port_work(struct work_struct *work) if (!port) return; - tty = port->tty; + tty = port->port.tty; if (!tty) return; @@ -1010,8 +1010,8 @@ void usb_serial_disconnect(struct usb_interface *interface) for (i = 0; i < serial->num_ports; ++i) { port = serial->port[i]; if (port) { - if (port->tty) - tty_hangup(port->tty); + if (port->port.tty) + tty_hangup(port->port.tty); kill_traffic(port); } } |