mfd: rk8xx: 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>
Link: https://lore.kernel.org/r/20231001-mfd-rk88x-maple-v1-1-90434cfb2f90@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>

diff --git a/drivers/mfd/rk8xx-i2c.c b/drivers/mfd/rk8xx-i2c.c
index 1a98feea97e2c5bc8301623323852ca6ef5b71de..75b5cf09d5a033c031e05e72ed348deedaa9e630 100644 (file)
--- a/drivers/mfd/rk8xx-i2c.c
+++ b/drivers/mfd/rk8xx-i2c.c
@@ -80,7 +80,7 @@ static const struct regmap_config rk818_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,
        .max_register = RK818_USB_CTRL_REG,
-       .cache_type = REGCACHE_RBTREE,
+       .cache_type = REGCACHE_MAPLE,
        .volatile_reg = rk808_is_volatile_reg,
 };
 
@@ -88,7 +88,7 @@ static const struct regmap_config rk805_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,
        .max_register = RK805_OFF_SOURCE_REG,
-       .cache_type = REGCACHE_RBTREE,
+       .cache_type = REGCACHE_MAPLE,
        .volatile_reg = rk808_is_volatile_reg,
 };
 
@@ -96,7 +96,7 @@ static const struct regmap_config rk808_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,
        .max_register = RK808_IO_POL_REG,
-       .cache_type = REGCACHE_RBTREE,
+       .cache_type = REGCACHE_MAPLE,
        .volatile_reg = rk808_is_volatile_reg,
 };