HDA 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/hda/hdac_regmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/hda/hdac_regmap.c b/sound/hda/hdac_regmap.c index fe3587547cfe..2caa1f9b858e 100644 --- a/sound/hda/hdac_regmap.c +++ b/sound/hda/hdac_regmap.c @@ -358,7 +358,7 @@ static const struct regmap_config hda_regmap_cfg = { .writeable_reg = hda_writeable_reg, .readable_reg = hda_readable_reg, .volatile_reg = hda_volatile_reg, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .reg_read = hda_reg_read, .reg_write = hda_reg_write, .use_single_read = true, --- base-commit: 9561de3a55bed6bdd44a12820ba81ec416e705a7 change-id: 20230609-alsa-hda-maple-02f75ebb067e Best regards, -- Mark Brown <broonie@xxxxxxxxxx>