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/tmp401.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c
index 91f2314568cf..df1b45a62e80 100644
--- a/drivers/hwmon/tmp401.c
+++ b/drivers/hwmon/tmp401.c
@@ -256,7 +256,7 @@ static int tmp401_reg_write(void *context, unsigned int reg, unsigned int val)
static const struct regmap_config tmp401_regmap_config = {
.reg_bits = 8,
.val_bits = 16,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.volatile_reg = tmp401_regmap_is_volatile,
.reg_read = tmp401_reg_read,
.reg_write = tmp401_reg_write,
--
2.18.2
