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authorBo Liu <liubo03@inspur.com>2024-02-06 10:13:05 +0300
committerLee Jones <lee@kernel.org>2024-02-23 17:58:04 +0300
commitbaaa1b8e7d84d9b5399d8e75f6c9241465869c0e (patch)
tree0095ffc3eb6f41644d75c2646bc6c6c9f14ba1b4 /drivers/mfd/lochnagar-i2c.c
parent14100f8e58564d3fc7c1503a6b3906023c2dac3c (diff)
downloadlinux-baaa1b8e7d84d9b5399d8e75f6c9241465869c0e.tar.xz
mfd: lochnagar-i2c: 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: Bo Liu <liubo03@inspur.com> Tested-by: Charles Keepax <ckeepax@opensource.cirrus.com> Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/20240206071314.8721-10-liubo03@inspur.com Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers/mfd/lochnagar-i2c.c')
-rw-r--r--drivers/mfd/lochnagar-i2c.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mfd/lochnagar-i2c.c b/drivers/mfd/lochnagar-i2c.c
index 0b76fcccd0bd..6c930c57f2e2 100644
--- a/drivers/mfd/lochnagar-i2c.c
+++ b/drivers/mfd/lochnagar-i2c.c
@@ -70,7 +70,7 @@ static const struct regmap_config lochnagar1_i2c_regmap = {
.use_single_read = true,
.use_single_write = true,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
};
static const struct reg_sequence lochnagar1_patch[] = {
@@ -163,7 +163,7 @@ static const struct regmap_config lochnagar2_i2c_regmap = {
.readable_reg = lochnagar2_readable_register,
.volatile_reg = lochnagar2_volatile_register,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
};
static const struct reg_sequence lochnagar2_patch[] = {