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mfd: cs47l24: Update to use maple tree register cache

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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 cs47l24 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-v1-2-16dacae402a8@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Mark Brown 2023-07-13 01:49:20 +01:00 committed by Lee Jones
parent 4ffee2918d
commit 01f71e73a2
1 changed files with 1 additions and 1 deletions
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2
drivers/mfd/cs47l24-tables.c
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@ -1616,7 +1616,7 @@ const struct regmap_config cs47l24_spi_regmap = {
.readable_reg = cs47l24_readable_register,
.volatile_reg = cs47l24_volatile_register,
.cache_type = REGCACHE_RBTREE,
.cache_type = REGCACHE_MAPLE,
.reg_defaults = cs47l24_reg_default,
.num_reg_defaults = ARRAY_SIZE(cs47l24_reg_default),
};