static ssize_t eisa_show_sig (struct device *dev, char *buf)
static ssize_t eisa_show_sig (struct device *dev, struct device_attribute *attr, char *buf)
static ssize_t eisa_show_sig (struct device *dev, char *buf){        struct eisa_device *edev = to_eisa_device (dev);        return sprintf (buf,"%s\n", edev->id.sig);}