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/rk8xx-spi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mfd/rk8xx-spi.c b/drivers/mfd/rk8xx-spi.c
index fd137f38c2c4..3405fb82ff9f 100644
--- a/drivers/mfd/rk8xx-spi.c
+++ b/drivers/mfd/rk8xx-spi.c
@@ -34,7 +34,7 @@ static const struct regmap_config rk806_regmap_config_spi = {
.reg_bits = 16,
.val_bits = 8,
.max_register = RK806_BUCK_RSERVE_REG5,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.volatile_table = &rk806_volatile_table,
};
--
2.18.2