hwmon: (lm83) convert to use maple tree register cache
authorBo Liu <liubo03@inspur.com>
Fri, 2 Feb 2024 07:18:00 +0000 (02:18 -0500)
committerGuenter Roeck <linux@roeck-us.net>
Sun, 25 Feb 2024 20:37:36 +0000 (12:37 -0800)
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/20240202071800.41113-1-liubo03@inspur.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
drivers/hwmon/lm83.c

index 5befedc..b333c9b 100644 (file)
@@ -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,