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Subject[PATCH 16/18] mfd: stmfx: convert to use maple tree register cache
Date
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>
---
drivers/mfd/stmfx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/stmfx.c b/drivers/mfd/stmfx.c
index c02cbd9c2f5d..f391c2ccaa72 100644
--- a/drivers/mfd/stmfx.c
+++ b/drivers/mfd/stmfx.c
@@ -53,7 +53,7 @@ static const struct regmap_config stmfx_regmap_config = {
.max_register = STMFX_REG_MAX,
.volatile_reg = stmfx_reg_volatile,
.writeable_reg = stmfx_reg_writeable,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
};

static const struct resource stmfx_pinctrl_resources[] = {
--
2.18.2

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