aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/mfd
diff options
context:
space:
mode:
authorMark Brown <broonie@kernel.org>2023-07-13 01:49:19 +0100
committerLee Jones <lee@kernel.org>2023-08-18 21:48:01 +0100
commit4ffee2918de2d51bc1ef528b0b75c3785f1cc07e (patch)
treecbf6e6514d41d5a9fb6a12f40245b3c9b6cb141a /drivers/mfd
parent9e20e5f89624e23ea5b7b8b9719e7c6773689f4d (diff)
downloadlinux-4ffee2918de2d51bc1ef528b0b75c3785f1cc07e.tar.gz
mfd: cs47l15: Update 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. In v6.5 it has also acquired the ability to generate multi-register writes in sync operations, bringing performance up to parity with the rbtree cache there. Update the cs47l15 driver to use the more modern data structure. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20230713-mfd-cirrus-maple-v1-1-16dacae402a8@kernel.org Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/cs47l15-tables.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/mfd/cs47l15-tables.c b/drivers/mfd/cs47l15-tables.c
index 3c77f0a24e9bd1..59b005cc1e336c 100644
--- a/drivers/mfd/cs47l15-tables.c
+++ b/drivers/mfd/cs47l15-tables.c
@@ -1249,7 +1249,7 @@ const struct regmap_config cs47l15_16bit_spi_regmap = {
.readable_reg = &cs47l15_16bit_readable_register,
.volatile_reg = &cs47l15_16bit_volatile_register,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.reg_defaults = cs47l15_reg_default,
.num_reg_defaults = ARRAY_SIZE(cs47l15_reg_default),
};
@@ -1264,7 +1264,7 @@ const struct regmap_config cs47l15_16bit_i2c_regmap = {
.readable_reg = &cs47l15_16bit_readable_register,
.volatile_reg = &cs47l15_16bit_volatile_register,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.reg_defaults = cs47l15_reg_default,
.num_reg_defaults = ARRAY_SIZE(cs47l15_reg_default),
};
@@ -1281,7 +1281,7 @@ const struct regmap_config cs47l15_32bit_spi_regmap = {
.readable_reg = &cs47l15_32bit_readable_register,
.volatile_reg = &cs47l15_32bit_volatile_register,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
};
EXPORT_SYMBOL_GPL(cs47l15_32bit_spi_regmap);
@@ -1295,6 +1295,6 @@ const struct regmap_config cs47l15_32bit_i2c_regmap = {
.readable_reg = &cs47l15_32bit_readable_register,
.volatile_reg = &cs47l15_32bit_volatile_register,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
};
EXPORT_SYMBOL_GPL(cs47l15_32bit_i2c_regmap);