linux-kernel - [PATCH] mfd: axp20x: convert to use maple tree register cache

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Message-ID: <20240429024547.27724-1-wangkaiyuan@inspur.com>
Date: Mon, 29 Apr 2024 10:45:47 +0800
From: wangkaiyuan <wangkaiyuan@...pur.com>
To: <lee@...nel.org>, <wens@...e.org>
CC: <linux-kernel@...r.kernel.org>, wangkaiyuan <wangkaiyuan@...pur.com>
Subject: [PATCH] mfd: axp20x: 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: wangkaiyuan <wangkaiyuan@...pur.com>
---
 drivers/mfd/axp20x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
index 48ce6ea693ce..f2c0f144c0fc 100644
--- a/drivers/mfd/axp20x.c
+++ b/drivers/mfd/axp20x.c
@@ -422,7 +422,7 @@ static const struct regmap_config axp717_regmap_config = {
 	.wr_table = &axp717_writeable_table,
 	.volatile_table = &axp717_volatile_table,
 	.max_register = AXP717_CPUSLDO_CONTROL,
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 };
 
 static const struct regmap_config axp806_regmap_config = {
-- 
2.27.0