The cs35l33 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/cs35l33.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/cs35l33.c b/sound/soc/codecs/cs35l33.c index 15e79168d256..fde3196bfe1c 100644 --- a/sound/soc/codecs/cs35l33.c +++ b/sound/soc/codecs/cs35l33.c @@ -852,7 +852,7 @@ static const struct regmap_config cs35l33_regmap = { .volatile_reg = cs35l33_volatile_register, .readable_reg = cs35l33_readable_register, .writeable_reg = cs35l33_writeable_register, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .use_single_read = true, .use_single_write = true, }; -- 2.30.2