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/rc5t583.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mfd/rc5t583.c b/drivers/mfd/rc5t583.c index 5e81f011363f..2c0e8e9630f7 100644 --- a/drivers/mfd/rc5t583.c +++ b/drivers/mfd/rc5t583.c @@ -230,7 +230,7 @@ static const struct regmap_config rc5t583_regmap_config = { .volatile_reg = volatile_reg, .max_register = RC5T583_MAX_REG, .num_reg_defaults_raw = RC5T583_NUM_REGS, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, }; static int rc5t583_i2c_probe(struct i2c_client *i2c) -- 2.18.2