Hi Mark,
On Sun, Oct 01, 2023 at 01:43:39AM +0200, 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.
>
> Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
> ---
> drivers/input/keyboard/cap11xx.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/input/keyboard/cap11xx.c b/drivers/input/keyboard/cap11xx.c
> index 39ed3b9ddc65..77843ad15d4c 100644
> --- a/drivers/input/keyboard/cap11xx.c
> +++ b/drivers/input/keyboard/cap11xx.c
> @@ -174,7 +174,7 @@ static const struct regmap_config cap11xx_regmap_config = {
> .reg_defaults = cap11xx_reg_defaults,
>
> .num_reg_defaults = ARRAY_SIZE(cap11xx_reg_defaults),
> - .cache_type = REGCACHE_RBTREE,
> + .cache_type = REGCACHE_MAPLE,
I do not think these driver care much about the cache type. Optimal one
might even depend on the architecture. I wonder if we could have
something like REGCACHE_DEFAULT to signal that whatever is the "best
default" implementation it should be used?
Thanks.
--
Dmitry
