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 <[email protected]>
---
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