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: Bo Liu <liubo03@xxxxxxxxxx> --- drivers/mfd/as3711.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mfd/as3711.c b/drivers/mfd/as3711.c index c7e85ff38013..9741977031df 100644 --- a/drivers/mfd/as3711.c +++ b/drivers/mfd/as3711.c @@ -106,7 +106,7 @@ static const struct regmap_config as3711_regmap_config = { .precious_reg = as3711_precious_reg, .max_register = AS3711_MAX_REG, .num_reg_defaults_raw = AS3711_NUM_REGS, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, }; #ifdef CONFIG_OF -- 2.18.2