iio: dac: bd79703: 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/20250611085838.4761-4-chuguangqing@inspur.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/dac/rohm-bd79703.c b/drivers/iio/dac/rohm-bd79703.c
index a35c37d2261dc0144ca7c4a4ced567a3372e68d8..e91090e4a66d9d8c02aff493617010947bec1099 100644 (file)
--- a/drivers/iio/dac/rohm-bd79703.c
+++ b/drivers/iio/dac/rohm-bd79703.c
@@ -35,7 +35,7 @@ static const struct regmap_config bd79703_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,
        .max_register = BD79703_MAX_REGISTER,
-       .cache_type = REGCACHE_RBTREE,
+       .cache_type = REGCACHE_MAPLE,
 };
 
 /* Dynamic driver private data */