[PATCH 12/18] mfd: rk8xx: convert to use maple tree register cache

[Bo Liu]

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 at inspur.com>
---
 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