mfd: rsmu_i2c: 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/20240206071314.8721-15-liubo03@inspur.com
Signed-off-by: Lee Jones <lee@kernel.org>

diff --git a/drivers/mfd/rsmu_i2c.c b/drivers/mfd/rsmu_i2c.c
index 06d78a1cf1ccbbb47e36348d77666854c9609193..5711e512b6a2f3bb10d3aa1fa107938f1426958a 100644 (file)
--- a/drivers/mfd/rsmu_i2c.c
+++ b/drivers/mfd/rsmu_i2c.c
@@ -188,7 +188,7 @@ static const struct regmap_config rsmu_sabre_regmap_config = {
        .ranges = rsmu_sabre_range_cfg,
        .num_ranges = ARRAY_SIZE(rsmu_sabre_range_cfg),
        .volatile_reg = rsmu_sabre_volatile_reg,
-       .cache_type = REGCACHE_RBTREE,
+       .cache_type = REGCACHE_MAPLE,
        .can_multi_write = true,
 };