The maple tree register cache is based on a much more modern data structure than the rbtree cache and makes optimisation choices which are probably more appropriate for modern systems than those made by the rbtree cache. Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> --- drivers/mfd/twl-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c index ce01a87f8dc3..1c1fefbeeb80 100644 --- a/drivers/mfd/twl-core.c +++ b/drivers/mfd/twl-core.c @@ -312,7 +312,7 @@ static const struct regmap_config twl4030_regmap_config[4] = { .reg_defaults = twl4030_49_defaults, .num_reg_defaults = ARRAY_SIZE(twl4030_49_defaults), - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, }, { /* Address 0x4a */ -- 2.39.2