Re: [PATCH] usb: typec: stusb160x: convert to use maple tree register cache

From: Heikki Krogerus
Date: Tue Mar 12 2024 - 06:14:50 EST


On Sat, Mar 09, 2024 at 02:17:57AM -0500, Bo Liu 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: Bo Liu <liubo03@xxxxxxxxxx>

Acked-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>

> ---
> drivers/usb/typec/stusb160x.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/usb/typec/stusb160x.c b/drivers/usb/typec/stusb160x.c
> index 3ab118df1bd4..f3140fc04c12 100644
> --- a/drivers/usb/typec/stusb160x.c
> +++ b/drivers/usb/typec/stusb160x.c
> @@ -234,7 +234,7 @@ static const struct regmap_config stusb1600_regmap_config = {
> .readable_reg = stusb160x_reg_readable,
> .volatile_reg = stusb160x_reg_volatile,
> .precious_reg = stusb160x_reg_precious,
> - .cache_type = REGCACHE_RBTREE,
> + .cache_type = REGCACHE_MAPLE,
> };
>
> static bool stusb160x_get_vconn(struct stusb160x *chip)
> --
> 2.18.2

--
heikki