2024-02-02 07:18:32

by Bo Liu

[permalink] [raw]
Subject: [PATCH] hwmon: (lm83) 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 <[email protected]>
---
drivers/hwmon/lm83.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c
index 5befedca6abb..b333c9bde4e6 100644
--- a/drivers/hwmon/lm83.c
+++ b/drivers/hwmon/lm83.c
@@ -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,
--
2.18.2