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/rohm-bd71828.c | 4 ++--
drivers/mfd/rohm-bd718x7.c | 2 +-
drivers/mfd/rohm-bd9576.c | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/mfd/rohm-bd71828.c b/drivers/mfd/rohm-bd71828.c
index 594718f7e8e1..2f3826c7eef4 100644
--- a/drivers/mfd/rohm-bd71828.c
+++ b/drivers/mfd/rohm-bd71828.c
@@ -197,7 +197,7 @@ static const struct regmap_config bd71815_regmap = {
.val_bits = 8,
.volatile_table = &bd71815_volatile_regs,
.max_register = BD71815_MAX_REGISTER - 1,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
};
static const struct regmap_config bd71828_regmap = {
@@ -205,7 +205,7 @@ static const struct regmap_config bd71828_regmap = {
.val_bits = 8,
.volatile_table = &bd71828_volatile_regs,
.max_register = BD71828_MAX_REGISTER,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
};
/*
diff --git a/drivers/mfd/rohm-bd718x7.c b/drivers/mfd/rohm-bd718x7.c
index 4798bdf27afb..7755a4c073bf 100644
--- a/drivers/mfd/rohm-bd718x7.c
+++ b/drivers/mfd/rohm-bd718x7.c
@@ -87,7 +87,7 @@ static const struct regmap_config bd718xx_regmap_config = {
.val_bits = 8,
.volatile_table = &volatile_regs,
.max_register = BD718XX_MAX_REGISTER - 1,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
};
static int bd718xx_init_press_duration(struct regmap *regmap,
diff --git a/drivers/mfd/rohm-bd9576.c b/drivers/mfd/rohm-bd9576.c
index bceac7016740..3a9f61961721 100644
--- a/drivers/mfd/rohm-bd9576.c
+++ b/drivers/mfd/rohm-bd9576.c
@@ -62,7 +62,7 @@ static struct regmap_config bd957x_regmap = {
.val_bits = 8,
.volatile_table = &volatile_regs,
.max_register = BD957X_MAX_REGISTER,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
};
static struct regmap_irq bd9576_irqs[] = {
--
2.18.2
