[PATCH 16/18] mfd: stmfx: convert to use maple tree register cache

Bo Liu liubo03 at inspur.com
Mon Feb 5 23:13:12 PST 2024


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 at inspur.com>
---
 drivers/mfd/stmfx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/stmfx.c b/drivers/mfd/stmfx.c
index c02cbd9c2f5d..f391c2ccaa72 100644
--- a/drivers/mfd/stmfx.c
+++ b/drivers/mfd/stmfx.c
@@ -53,7 +53,7 @@ static const struct regmap_config stmfx_regmap_config = {
 	.max_register	= STMFX_REG_MAX,
 	.volatile_reg	= stmfx_reg_volatile,
 	.writeable_reg	= stmfx_reg_writeable,
-	.cache_type	= REGCACHE_RBTREE,
+	.cache_type	= REGCACHE_MAPLE,
 };
 
 static const struct resource stmfx_pinctrl_resources[] = {
-- 
2.18.2




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