driver core: revert "device" link creation check
Commit 
2ee97caf0a6602f749ddbfdb1449e383e1212707 introduced an extra
check on when to create the "device" symlink. Unfortunately, this
breaks input, so let's revert to the old behaviour.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
                if (error)
                        goto out_subsys;
        }
-       /* only bus-device parents get a "device"-link */
-       if (dev->parent && dev->parent->bus) {
+       if (dev->parent) {
                error = sysfs_create_link(&dev->kobj, &dev->parent->kobj,
                                          "device");
                if (error)