diff options
Diffstat (limited to 'drivers/usb/core')
| -rw-r--r-- | drivers/usb/core/sysfs.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 2ea47a38aef..e7c98237748 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -118,6 +118,16 @@ show_speed(struct device *dev, struct device_attribute *attr, char *buf) static DEVICE_ATTR(speed, S_IRUGO, show_speed, NULL); static ssize_t +show_busnum(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct usb_device *udev; + + udev = to_usb_device(dev); + return sprintf(buf, "%d\n", udev->bus->busnum); +} +static DEVICE_ATTR(busnum, S_IRUGO, show_busnum, NULL); + +static ssize_t show_devnum(struct device *dev, struct device_attribute *attr, char *buf) { struct usb_device *udev; @@ -347,6 +357,7 @@ static struct attribute *dev_attrs[] = { &dev_attr_bNumConfigurations.attr, &dev_attr_bMaxPacketSize0.attr, &dev_attr_speed.attr, + &dev_attr_busnum.attr, &dev_attr_devnum.attr, &dev_attr_version.attr, &dev_attr_maxchild.attr, |