The rt5645 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/rt5645.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index 7c7cbb6362ea..5223742e70e9 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -3546,7 +3546,7 @@ static const struct regmap_config rt5645_regmap = { .volatile_reg = rt5645_volatile_register, .readable_reg = rt5645_readable_register, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .reg_defaults = rt5645_reg, .num_reg_defaults = ARRAY_SIZE(rt5645_reg), .ranges = rt5645_ranges, @@ -3563,7 +3563,7 @@ static const struct regmap_config rt5650_regmap = { .volatile_reg = rt5645_volatile_register, .readable_reg = rt5645_readable_register, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .reg_defaults = rt5650_reg, .num_reg_defaults = ARRAY_SIZE(rt5650_reg), .ranges = rt5645_ranges, -- 2.30.2