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/mfd/rn5t618.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c
index 7336e6d8a001..23ca00d2c624 100644
--- a/drivers/mfd/rn5t618.c
+++ b/drivers/mfd/rn5t618.c
@@ -62,7 +62,7 @@ static const struct regmap_config rn5t618_regmap_config = {
.val_bits = 8,
.volatile_reg = rn5t618_volatile_reg,
.max_register = RN5T618_MAX_REG,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
};
static const struct regmap_irq rc5t619_irqs[] = {
--
2.18.2