Re: [PATCH 08/18] mfd: khadas-mcu: convert to use maple tree register cache

From: neil . armstrong
Date: Tue Feb 06 2024 - 03:48:11 EST


On 06/02/2024 08:13, Bo Liu wrote:
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@xxxxxxxxxx>
---
drivers/mfd/khadas-mcu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/khadas-mcu.c b/drivers/mfd/khadas-mcu.c
index 61396d824f16..ba981a788692 100644
--- a/drivers/mfd/khadas-mcu.c
+++ b/drivers/mfd/khadas-mcu.c
@@ -72,7 +72,7 @@ static const struct regmap_config khadas_mcu_regmap_config = {
.max_register = KHADAS_MCU_CMD_FAN_STATUS_CTRL_REG,
.volatile_reg = khadas_mcu_reg_volatile,
.writeable_reg = khadas_mcu_reg_writeable,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
};
static struct mfd_cell khadas_mcu_fan_cells[] = {

Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>