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Subject[PATCH 17/18] mfd: stpmic1: 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/stpmic1.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/stpmic1.c b/drivers/mfd/stpmic1.c
index c5128fe96cc7..d8a603d95aa6 100644
--- a/drivers/mfd/stpmic1.c
+++ b/drivers/mfd/stpmic1.c
@@ -63,7 +63,7 @@ static const struct regmap_access_table stpmic1_volatile_table = {
static const struct regmap_config stpmic1_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.max_register = PMIC_MAX_REGISTER_ADDRESS,
.rd_table = &stpmic1_readable_table,
.wr_table = &stpmic1_writeable_table,
--
2.18.2

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