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 <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Lee Jones <[email protected]>
chewitt · Nov 1, 2023 · 7f70d45 · 7f70d45
1 parent 1c943df
commit 7f70d45
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/drivers/mfd/rk8xx-i2c.c b/drivers/mfd/rk8xx-i2c.c
@@ -80,23 +80,23 @@ 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,
 };
 
 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,
 };
 
 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,
 };