[PATCH 1/4] iio: adc: ade9000: convert to use maple tree register cache

From: Chu Guangqing
Date: Fri Oct 24 2025 - 03:40:14 EST


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: Chu Guangqing <chuguangqing@xxxxxxxxxx>
---
drivers/iio/adc/ade9000.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ade9000.c b/drivers/iio/adc/ade9000.c
index 94e05e11abd9..2de8a718d62a 100644
--- a/drivers/iio/adc/ade9000.c
+++ b/drivers/iio/adc/ade9000.c
@@ -1629,7 +1629,7 @@ static const struct regmap_config ade9000_regmap_config = {
.val_bits = 32,
.max_register = 0x6bc,
.zero_flag_mask = true,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.reg_read = ade9000_spi_read_reg,
.reg_write = ade9000_spi_write_reg,
.volatile_reg = ade9000_is_volatile_reg,
--
2.43.7