diff options
| -rw-r--r-- | drivers/usb/serial/generic.c | 18 | ||||
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 27 | ||||
| -rw-r--r-- | include/linux/usb/serial.h | 1 |
3 files changed, 24 insertions, 22 deletions
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index 8c7600472019..2d3599f014e2 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -48,14 +48,28 @@ static int usb_serial_generic_probe(struct usb_serial *serial, return 0; } -struct usb_serial_driver usb_serial_generic_device = { +static int usb_serial_generic_calc_num_ports(struct usb_serial *serial, + struct usb_serial_endpoints *epds) +{ + struct device *dev = &serial->interface->dev; + int num_ports = epds->num_bulk_out; + + if (num_ports == 0) { + dev_err(dev, "Generic device with no bulk out, not allowed.\n"); + return -ENODEV; + } + + return num_ports; +} + +static struct usb_serial_driver usb_serial_generic_device = { .driver = { .owner = THIS_MODULE, .name = "generic", }, .id_table = generic_device_ids, - .num_ports = 1, .probe = usb_serial_generic_probe, + .calc_num_ports = usb_serial_generic_calc_num_ports, .throttle = usb_serial_generic_throttle, .unthrottle = usb_serial_generic_unthrottle, .resume = usb_serial_generic_resume, diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index f8ae09e2cff5..101eb105d78e 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -850,28 +850,17 @@ static int usb_serial_probe(struct usb_interface *interface, retval = -ENODEV; goto err_free_epds; } -#ifdef CONFIG_USB_SERIAL_GENERIC - if (type == &usb_serial_generic_device) { - num_ports = epds->num_bulk_out; - if (num_ports == 0) { - dev_err(ddev, "Generic device with no bulk out, not allowed.\n"); - retval = -EIO; + + if (type->calc_num_ports) { + retval = type->calc_num_ports(serial, epds); + if (retval < 0) goto err_free_epds; - } - } -#endif - if (!num_ports) { - /* if this device type has a calc_num_ports function, call it */ - if (type->calc_num_ports) { - retval = type->calc_num_ports(serial, epds); - if (retval < 0) - goto err_free_epds; - num_ports = retval; - } - if (!num_ports) - num_ports = type->num_ports; + num_ports = retval; } + if (!num_ports) + num_ports = type->num_ports; + if (num_ports > MAX_NUM_PORTS) { dev_warn(ddev, "too many ports requested: %d\n", num_ports); num_ports = MAX_NUM_PORTS; diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index da528818cfd8..e2f0ab07eea5 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -379,7 +379,6 @@ extern void usb_serial_handle_dcd_change(struct usb_serial_port *usb_port, extern int usb_serial_bus_register(struct usb_serial_driver *device); extern void usb_serial_bus_deregister(struct usb_serial_driver *device); -extern struct usb_serial_driver usb_serial_generic_device; extern struct bus_type usb_serial_bus_type; extern struct tty_driver *usb_serial_tty_driver; |