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[10/11] mfd: wm8997: Update to use maple tree register cache

Message ID 20230713-mfd-cirrus-maple-v1-10-16dacae402a8@kernel.org
State Accepted
Commit 56b8cea6803326c16c713d60088664633f82ee05
Headers show
Series mfd:: Update Cirrus Logic drivers to use maple tree register caches | expand

Commit Message

Mark Brown July 13, 2023, 12:49 a.m. UTC 
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 wm8997 driver to use the more modern data structure.

Signed-off-by: Mark Brown <broonie@kernel.org>
---
 drivers/mfd/wm8997-tables.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/mfd/wm8997-tables.c b/drivers/mfd/wm8997-tables.c
index 3476787c485e..288c57b2d21e 100644
--- a/drivers/mfd/wm8997-tables.c
+++ b/drivers/mfd/wm8997-tables.c
@@ -1523,7 +1523,7 @@  const struct regmap_config wm8997_i2c_regmap = {
 	.readable_reg = wm8997_readable_register,
 	.volatile_reg = wm8997_volatile_register,
 
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 	.reg_defaults = wm8997_reg_default,
 	.num_reg_defaults = ARRAY_SIZE(wm8997_reg_default),
 };