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/hwmon/lm83.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c index 5befedca6abb..b333c9bde4e6 100644 --- a/drivers/hwmon/lm83.c +++ b/drivers/hwmon/lm83.c @@ -165,7 +165,7 @@ static bool lm83_regmap_is_volatile(struct device *dev, unsigned int reg) static const struct regmap_config lm83_regmap_config = { .reg_bits = 8, .val_bits = 8, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .volatile_reg = lm83_regmap_is_volatile, .reg_read = lm83_regmap_reg_read, .reg_write = lm83_regmap_reg_write, -- 2.18.2