usb: typec: stusb160x: 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: Bo Liu <liubo03@inspur.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240309071757.3152-1-liubo03@inspur.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/typec/stusb160x.c b/drivers/usb/typec/stusb160x.c
index 3ab118df1bd4b4bda04e8f6d39e7bf0ef858d877..f3140fc04c12e1e6e7baeb6fe59c5101e241613a 100644 (file)
--- 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)