diff options
Diffstat (limited to 'drivers/usb/serial/bus.c')
| -rw-r--r-- | drivers/usb/serial/bus.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c index 3c4db6d196c6..6335490d5760 100644 --- a/drivers/usb/serial/bus.c +++ b/drivers/usb/serial/bus.c @@ -38,15 +38,14 @@ static int usb_serial_device_match(struct device *dev, return 0; } -static ssize_t show_port_number(struct device *dev, +static ssize_t port_number_show(struct device *dev, struct device_attribute *attr, char *buf) { struct usb_serial_port *port = to_usb_serial_port(dev); - return sprintf(buf, "%d\n", port->number - port->serial->minor); + return sprintf(buf, "%d\n", port->port_number); } - -static DEVICE_ATTR(port_number, S_IRUGO, show_port_number, NULL); +static DEVICE_ATTR_RO(port_number); static int usb_serial_device_probe(struct device *dev) { @@ -80,7 +79,7 @@ static int usb_serial_device_probe(struct device *dev) goto exit_with_autopm; } - minor = port->number; + minor = port->minor; tty_register_device(usb_serial_tty_driver, minor, dev); dev_info(&port->serial->dev->dev, "%s converter now attached to ttyUSB%d\n", @@ -106,7 +105,7 @@ static int usb_serial_device_remove(struct device *dev) /* make sure suspend/resume doesn't race against port_remove */ usb_autopm_get_interface(port->serial->interface); - minor = port->number; + minor = port->minor; tty_unregister_device(usb_serial_tty_driver, minor); device_remove_file(&port->dev, &dev_attr_port_number); @@ -122,7 +121,7 @@ static int usb_serial_device_remove(struct device *dev) return retval; } -static ssize_t store_new_id(struct device_driver *driver, +static ssize_t new_id_store(struct device_driver *driver, const char *buf, size_t count) { struct usb_serial_driver *usb_drv = to_usb_serial_driver(driver); @@ -135,17 +134,19 @@ static ssize_t store_new_id(struct device_driver *driver, return retval; } -static ssize_t show_dynids(struct device_driver *driver, char *buf) +static ssize_t new_id_show(struct device_driver *driver, char *buf) { struct usb_serial_driver *usb_drv = to_usb_serial_driver(driver); return usb_show_dynids(&usb_drv->dynids, buf); } +static DRIVER_ATTR_RW(new_id); -static struct driver_attribute drv_attrs[] = { - __ATTR(new_id, S_IRUGO | S_IWUSR, show_dynids, store_new_id), - __ATTR_NULL, +static struct attribute *usb_serial_drv_attrs[] = { + &driver_attr_new_id.attr, + NULL, }; +ATTRIBUTE_GROUPS(usb_serial_drv); static void free_dynids(struct usb_serial_driver *drv) { @@ -164,7 +165,7 @@ struct bus_type usb_serial_bus_type = { .match = usb_serial_device_match, .probe = usb_serial_device_probe, .remove = usb_serial_device_remove, - .drv_attrs = drv_attrs, + .drv_groups = usb_serial_drv_groups, }; int usb_serial_bus_register(struct usb_serial_driver *driver) |
