2023-09-30 23:47:40

by Mark Brown

Subject: [PATCH] mfd: rk8xx: 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: Mark Brown <[email protected]>
---
drivers/mfd/rk8xx-i2c.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mfd/rk8xx-i2c.c b/drivers/mfd/rk8xx-i2c.c
index 1a98feea97e2..75b5cf09d5a0 100644
--- a/drivers/mfd/rk8xx-i2c.c
+++ b/drivers/mfd/rk8xx-i2c.c
@@ -80,7 +80,7 @@ static const struct regmap_config rk818_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = RK818_USB_CTRL_REG,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.volatile_reg = rk808_is_volatile_reg,
};

@@ -88,7 +88,7 @@ static const struct regmap_config rk805_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = RK805_OFF_SOURCE_REG,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.volatile_reg = rk808_is_volatile_reg,
};

@@ -96,7 +96,7 @@ static const struct regmap_config rk808_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = RK808_IO_POL_REG,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.volatile_reg = rk808_is_volatile_reg,
};


---
base-commit: 6465e260f48790807eef06b583b38ca9789b6072
change-id: 20230929-mfd-rk88x-maple-632c9597e289

Best regards,
--
Mark Brown <[email protected]>

2023-10-05 14:49:00

by Lee Jones

Subject: Re: (subset) [PATCH] mfd: rk8xx: Convert to use maple tree register cache

On Sun, 01 Oct 2023 00:44:22 +0100, Mark Brown wrote:
> 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.
>
>

Applied, thanks!

[1/1] mfd: rk8xx: Convert to use maple tree register cache
commit: 2341a4f343e90f3fcc49ff3a49610d251b4c2532

--
Lee Jones [李琼斯]