/* MAC_ADDRESS_HIGH = 0x????5544 MAC_ADDRESS_LOW = 0x33221100 Where 00-55 are bytes 0-5 of the MAC.  */
static ssize_t cxacru_sysfs_show_mac_address(struct device *dev, struct device_attribute *attr, char *buf)
/* MAC_ADDRESS_HIGH = 0x????5544 MAC_ADDRESS_LOW = 0x33221100 Where 00-55 are bytes 0-5 of the MAC.  */
static ssize_t cxacru_sysfs_show_mac_address(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct usb_interface *intf = to_usb_interface(dev);
	struct usbatm_data *usbatm_instance = usb_get_intfdata(intf);
	struct atm_dev *atm_dev = usbatm_instance->atm_dev;
	return snprintf(buf, PAGE_SIZE, "%pM\n", atm_dev->esi);
}