mfd: stpmic1: 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/20240206071314.8721-18-liubo03@inspur.com
Signed-off-by: Lee Jones <lee@kernel.org>

diff --git a/drivers/mfd/stpmic1.c b/drivers/mfd/stpmic1.c
index c5128fe96cc788a4bb592edabe2417259a99a2d4..d8a603d95aa66e7f9bb528fc423a81bc6c4403de 100644 (file)
--- a/drivers/mfd/stpmic1.c
+++ b/drivers/mfd/stpmic1.c
@@ -63,7 +63,7 @@ static const struct regmap_access_table stpmic1_volatile_table = {
 static const struct regmap_config stpmic1_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,
-       .cache_type = REGCACHE_RBTREE,
+       .cache_type = REGCACHE_MAPLE,
        .max_register = PMIC_MAX_REGISTER_ADDRESS,
        .rd_table = &stpmic1_readable_table,
        .wr_table = &stpmic1_writeable_table,