mfd: rn5t618: 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/20240206071314.8721-14-liubo03@inspur.com
Signed-off-by: Lee Jones <lee@kernel.org>

diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c
index 7336e6d8a001311aca74f7d8118209ceb67905e8..23ca00d2c624d9cebddfc0fb59b92c9920ff4d0a 100644 (file)
--- a/drivers/mfd/rn5t618.c
+++ b/drivers/mfd/rn5t618.c
@@ -62,7 +62,7 @@ static const struct regmap_config rn5t618_regmap_config = {
        .val_bits       = 8,
        .volatile_reg   = rn5t618_volatile_reg,
        .max_register   = RN5T618_MAX_REG,
-       .cache_type     = REGCACHE_RBTREE,
+       .cache_type     = REGCACHE_MAPLE,
 };
 
 static const struct regmap_irq rc5t619_irqs[] = {