mfd: ac100: Convert to use maple tree register cache

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>
Link: https://lore.kernel.org/r/20240206071314.8721-2-liubo03@inspur.com
Signed-off-by: Lee Jones <lee@kernel.org>

diff --git a/drivers/mfd/ac100.c b/drivers/mfd/ac100.c
index 6d49d7fb5f14edeae22261961c992e3598bd07b5..8f47c392cbd1277c375f8518d0545638322d47e4 100644 (file)
--- 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[] = {