iio: dac: ad5380: 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: chuguangqing <chuguangqing@inspur.com>
Link: https://patch.msgid.link/20250611085838.4761-3-chuguangqing@inspur.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/dac/ad5380.c b/drivers/iio/dac/ad5380.c
index f63af704b77e3dc60d11bda7ac44d3a4ed6a7ec4..0ddce7b218e330fed8beed3bed555146067a4821 100644 (file)
--- a/drivers/iio/dac/ad5380.c
+++ b/drivers/iio/dac/ad5380.c
@@ -426,7 +426,7 @@ static const struct regmap_config ad5380_regmap_config = {
        .val_bits = 14,
 
        .max_register = AD5380_REG_DATA(40),
-       .cache_type = REGCACHE_RBTREE,
+       .cache_type = REGCACHE_MAPLE,
 
        .volatile_reg = ad5380_reg_false,
        .readable_reg = ad5380_reg_false,