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/bcm590xx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mfd/bcm590xx.c b/drivers/mfd/bcm590xx.c index 92eede9a5e61..8b56786d85d0 100644 --- a/drivers/mfd/bcm590xx.c +++ b/drivers/mfd/bcm590xx.c @@ -27,14 +27,14 @@ static const struct regmap_config bcm590xx_regmap_config_pri = { .reg_bits = 8, .val_bits = 8, .max_register = BCM590XX_MAX_REGISTER_PRI, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, }; static const struct regmap_config bcm590xx_regmap_config_sec = { .reg_bits = 8, .val_bits = 8, .max_register = BCM590XX_MAX_REGISTER_SEC, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, }; static int bcm590xx_i2c_probe(struct i2c_client *i2c_pri) -- 2.18.2