regulator: rpi-panel-attiny: 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://msgid.link/r/20240320085740.4604-14-liubo03@inspur.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/rpi-panel-attiny-regulator.c b/drivers/regulator/rpi-panel-attiny-regulator.c
index f52c3d47ecea2295f5d9e86468da9852c0edde82..6c3b6bfac961d70c1dc9abc145837fd266d658ae 100644 (file)
--- a/drivers/regulator/rpi-panel-attiny-regulator.c
+++ b/drivers/regulator/rpi-panel-attiny-regulator.c
@@ -75,7 +75,7 @@ static const struct regmap_config attiny_regmap_config = {
        .val_bits = 8,
        .disable_locking = 1,
        .max_register = REG_WRITE_DATA_L,
-       .cache_type = REGCACHE_RBTREE,
+       .cache_type = REGCACHE_MAPLE,
 };
 
 static int attiny_set_port_state(struct attiny_lcd *state, int reg, u8 val)