--- zzzz-none-000/linux-4.9.231/drivers/base/regmap/regcache.c 2020-07-22 07:10:54.000000000 +0000 +++ falcon-5530-730/linux-4.9.231/drivers/base/regmap/regcache.c 2022-08-31 08:19:48.000000000 +0000 @@ -21,7 +21,9 @@ static const struct regcache_ops *cache_types[] = { ®cache_rbtree_ops, +#if IS_ENABLED(CONFIG_REGCACHE_COMPRESSED) ®cache_lzo_ops, +#endif ®cache_flat_ops, };