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-rw-r--r--drivers/usb/serial/oti6858.c68
1 files changed, 28 insertions, 40 deletions
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 933241f03fd8..cee9a52ca891 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -137,8 +137,8 @@ static int oti6858_chars_in_buffer(struct tty_struct *tty);
137static int oti6858_tiocmget(struct tty_struct *tty); 137static int oti6858_tiocmget(struct tty_struct *tty);
138static int oti6858_tiocmset(struct tty_struct *tty, 138static int oti6858_tiocmset(struct tty_struct *tty,
139 unsigned int set, unsigned int clear); 139 unsigned int set, unsigned int clear);
140static int oti6858_startup(struct usb_serial *serial); 140static int oti6858_port_probe(struct usb_serial_port *port);
141static void oti6858_release(struct usb_serial *serial); 141static int oti6858_port_remove(struct usb_serial_port *port);
142 142
143/* device info */ 143/* device info */
144static struct usb_serial_driver oti6858_device = { 144static struct usb_serial_driver oti6858_device = {
@@ -161,8 +161,8 @@ static struct usb_serial_driver oti6858_device = {
161 .write_bulk_callback = oti6858_write_bulk_callback, 161 .write_bulk_callback = oti6858_write_bulk_callback,
162 .write_room = oti6858_write_room, 162 .write_room = oti6858_write_room,
163 .chars_in_buffer = oti6858_chars_in_buffer, 163 .chars_in_buffer = oti6858_chars_in_buffer,
164 .attach = oti6858_startup, 164 .port_probe = oti6858_port_probe,
165 .release = oti6858_release, 165 .port_remove = oti6858_port_remove,
166}; 166};
167 167
168static struct usb_serial_driver * const serial_drivers[] = { 168static struct usb_serial_driver * const serial_drivers[] = {
@@ -331,36 +331,33 @@ static void send_data(struct work_struct *work)
331 usb_serial_port_softint(port); 331 usb_serial_port_softint(port);
332} 332}
333 333
334static int oti6858_startup(struct usb_serial *serial) 334static int oti6858_port_probe(struct usb_serial_port *port)
335{ 335{
336 struct usb_serial_port *port = serial->port[0];
337 struct oti6858_private *priv; 336 struct oti6858_private *priv;
338 int i;
339
340 for (i = 0; i < serial->num_ports; ++i) {
341 priv = kzalloc(sizeof(struct oti6858_private), GFP_KERNEL);
342 if (!priv)
343 break;
344
345 spin_lock_init(&priv->lock);
346 init_waitqueue_head(&priv->intr_wait);
347/* INIT_WORK(&priv->setup_work, setup_line, serial->port[i]); */
348/* INIT_WORK(&priv->write_work, send_data, serial->port[i]); */
349 priv->port = port;
350 INIT_DELAYED_WORK(&priv->delayed_setup_work, setup_line);
351 INIT_DELAYED_WORK(&priv->delayed_write_work, send_data);
352
353 usb_set_serial_port_data(serial->port[i], priv);
354 }
355 if (i == serial->num_ports)
356 return 0;
357 337
358 for (--i; i >= 0; --i) { 338 priv = kzalloc(sizeof(*priv), GFP_KERNEL);
359 priv = usb_get_serial_port_data(serial->port[i]); 339 if (!priv)
360 kfree(priv); 340 return -ENOMEM;
361 usb_set_serial_port_data(serial->port[i], NULL); 341
362 } 342 spin_lock_init(&priv->lock);
363 return -ENOMEM; 343 init_waitqueue_head(&priv->intr_wait);
344 priv->port = port;
345 INIT_DELAYED_WORK(&priv->delayed_setup_work, setup_line);
346 INIT_DELAYED_WORK(&priv->delayed_write_work, send_data);
347
348 usb_set_serial_port_data(port, priv);
349
350 return 0;
351}
352
353static int oti6858_port_remove(struct usb_serial_port *port)
354{
355 struct oti6858_private *priv;
356
357 priv = usb_get_serial_port_data(port);
358 kfree(priv);
359
360 return 0;
364} 361}
365 362
366static int oti6858_write(struct tty_struct *tty, struct usb_serial_port *port, 363static int oti6858_write(struct tty_struct *tty, struct usb_serial_port *port,
@@ -709,15 +706,6 @@ static int oti6858_ioctl(struct tty_struct *tty,
709 return -ENOIOCTLCMD; 706 return -ENOIOCTLCMD;
710} 707}
711 708
712
713static void oti6858_release(struct usb_serial *serial)
714{
715 int i;
716
717 for (i = 0; i < serial->num_ports; ++i)
718 kfree(usb_get_serial_port_data(serial->port[i]));
719}
720
721static void oti6858_read_int_callback(struct urb *urb) 709static void oti6858_read_int_callback(struct urb *urb)
722{ 710{
723 struct usb_serial_port *port = urb->context; 711 struct usb_serial_port *port = urb->context;