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/ac100.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mfd/ac100.c b/drivers/mfd/ac100.c
index 6d49d7fb5f14..8f47c392cbd1 100644
--- a/drivers/mfd/ac100.c
+++ b/drivers/mfd/ac100.c
@@ -72,7 +72,7 @@ static const struct regmap_config ac100_regmap_config = {
.wr_table = &ac100_writeable_table,
.volatile_table = &ac100_volatile_table,
.max_register = AC100_RTC_GP(15),
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
};
static struct mfd_cell ac100_cells[] = {
--
2.18.2