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/nct7802.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c
index 024cff151c36..a0e664d5ebfe 100644
--- a/drivers/hwmon/nct7802.c
+++ b/drivers/hwmon/nct7802.c
@@ -1051,7 +1051,7 @@ static bool nct7802_regmap_is_volatile(struct device *dev, unsigned int reg)
static const struct regmap_config nct7802_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.volatile_reg = nct7802_regmap_is_volatile,
};
--
2.18.2
