mfd: max77686: 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: Mark Brown <broonie@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Link: https://lore.kernel.org/r/20231001-mfd-maxim-maple-v1-2-cdfeb48a4d15@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>

diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c
index 91c286c4571cbd5bd58cd9c1e6bcb98ce6d6941b..0118a444a68b11c40c111d4ee8600aa72d3903a6 100644 (file)
--- a/drivers/mfd/max77686.c
+++ b/drivers/mfd/max77686.c
@@ -108,7 +108,7 @@ static const struct regmap_config max77802_regmap_config = {
        .precious_reg = max77802_is_precious_reg,
        .volatile_reg = max77802_is_volatile_reg,
        .name = "max77802-pmic",
-       .cache_type = REGCACHE_RBTREE,
+       .cache_type = REGCACHE_MAPLE,
 };
 
 static const struct regmap_irq max77686_irqs[] = {