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Subject[PATCH 3/3] mfd: max8907: 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: Mark Brown <broonie@kernel.org>
---
drivers/mfd/max8907.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/max8907.c b/drivers/mfd/max8907.c
index 8bbe7979db91..accf426234b6 100644
--- a/drivers/mfd/max8907.c
+++ b/drivers/mfd/max8907.c
@@ -63,7 +63,7 @@ static const struct regmap_config max8907_regmap_gen_config = {
.precious_reg = max8907_gen_is_precious_reg,
.writeable_reg = max8907_gen_is_writeable_reg,
.max_register = MAX8907_REG_LDO20VOUT,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
};

static bool max8907_rtc_is_volatile_reg(struct device *dev, unsigned int reg)
@@ -108,7 +108,7 @@ static const struct regmap_config max8907_regmap_rtc_config = {
.precious_reg = max8907_rtc_is_precious_reg,
.writeable_reg = max8907_rtc_is_writeable_reg,
.max_register = MAX8907_REG_MPL_CNTL,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
};

static const struct regmap_irq max8907_chg_irqs[] = {
--
2.39.2

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