regulator: max8973: 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://msgid.link/r/20240320085740.4604-5-liubo03@inspur.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c
index f8bb6828feef3b7de5964cd42924fed6770d465a..96ca146281d697e4883566f94044c79a3b0e5d35 100644 (file)
--- a/drivers/regulator/max8973-regulator.c
+++ b/drivers/regulator/max8973-regulator.c
@@ -510,7 +510,7 @@ static const struct regmap_config max8973_regmap_config = {
        .reg_bits               = 8,
        .val_bits               = 8,
        .max_register           = MAX8973_CHIPID2,
-       .cache_type             = REGCACHE_RBTREE,
+       .cache_type             = REGCACHE_MAPLE,
 };
 
 static struct max8973_regulator_platform_data *max8973_parse_dt(