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@inspur.com>
---
 drivers/iio/accel/bma400_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/accel/bma400_core.c b/drivers/iio/accel/bma400_core.c
index ae806ed60271..23f5e1ce9cc4 100644
--- a/drivers/iio/accel/bma400_core.c
+++ b/drivers/iio/accel/bma400_core.c
@@ -190,7 +190,7 @@ const struct regmap_config bma400_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 	.max_register = BMA400_CMD_REG,
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 	.writeable_reg = bma400_is_writable_reg,
 	.volatile_reg = bma400_is_volatile_reg,
 };
-- 
2.31.1