The cs4234 can only support single register read and write operations so does not benefit from block writes. This means it gets no benefit from using the rbtree register cache over the maple tree register cache so convert it to use maple trees instead, it is more modern. Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> --- sound/soc/codecs/cs4234.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/cs4234.c b/sound/soc/codecs/cs4234.c index dee1a6662c2e..e1d64e0f28fe 100644 --- a/sound/soc/codecs/cs4234.c +++ b/sound/soc/codecs/cs4234.c @@ -675,7 +675,7 @@ static const struct regmap_config cs4234_regmap = { .writeable_reg = cs4234_writeable_register, .reg_defaults = cs4234_default_reg, .num_reg_defaults = ARRAY_SIZE(cs4234_default_reg), - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .use_single_read = true, .use_single_write = true, }; -- 2.30.2