hwmon: (nct7802) convert to use maple tree register cache

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@inspur.com>
Link: https://lore.kernel.org/r/20240202072007.41316-1-liubo03@inspur.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c
index 024cff151c365b956294ab796bc5124796ad7891..a0e664d5ebfea4f409a0525148419c647dd4ac9d 100644 (file)
--- 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,
 };