diff options
Diffstat (limited to 'drivers/usb/core/sysfs.c')
| -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 e02590297d31..b04afd06e502 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -169,6 +169,16 @@ show_quirks(struct device *dev, struct device_attribute *attr, char *buf) } static DEVICE_ATTR(quirks, S_IRUGO, show_quirks, NULL); +static ssize_t +show_urbnum(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct usb_device *udev; + + udev = to_usb_device(dev); + return sprintf(buf, "%d\n", atomic_read(&udev->urbnum)); +} +static DEVICE_ATTR(urbnum, S_IRUGO, show_urbnum, NULL); + #if defined(CONFIG_USB_PERSIST) || defined(CONFIG_USB_SUSPEND) static const char power_group[] = "power"; @@ -458,6 +468,7 @@ static struct attribute *dev_attrs[] = { &dev_attr_bConfigurationValue.attr, &dev_attr_bmAttributes.attr, &dev_attr_bMaxPower.attr, + &dev_attr_urbnum.attr, /* device attributes */ &dev_attr_idVendor.attr, &dev_attr_idProduct.attr, |