2024-02-02 07:28:15

by Bo Liu

[permalink] [raw]
Subject: [PATCH] hwmon: (emc1403) 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/emc1403.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c
index 1332e4ac078c..d370efd6f986 100644
--- a/drivers/hwmon/emc1403.c
+++ b/drivers/hwmon/emc1403.c
@@ -385,7 +385,7 @@ static bool emc1403_regmap_is_volatile(struct device *dev, unsigned int reg)
static const struct regmap_config emc1403_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.volatile_reg = emc1403_regmap_is_volatile,
};

--
2.18.2