Received-SPF: pass (google.com: domain of linux-kernel+bounces-108655-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1;
From: Bo Liu <liubo03@inspur.com>
To: <support.opensource@diasemi.com>, <lgirdwood@gmail.com>,
	<broonie@kernel.org>, <matthias.bgg@gmail.com>,
	<angelogioacchino.delregno@collabora.com>, <jagan@amarulasolutions.com>
CC: <linux-kernel@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>,
	<linux-mediatek@lists.infradead.org>, Bo Liu <liubo03@inspur.com>
Subject: [PATCH v1 01/13] regulator: da9121: convert to use maple tree register cache
Date: Wed, 20 Mar 2024 04:57:28 -0400
Message-ID: <20240320085740.4604-2-liubo03@inspur.com>
In-Reply-To: <20240320085740.4604-1-liubo03@inspur.com>
References: <20240320085740.4604-1-liubo03@inspur.com>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain
tUid: 2024320165746aad7dc223c642e3cd2cb0c306415dbf7
Abuse-Reports-To: service@corp-email.com

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>
---
 drivers/regulator/da9121-regulator.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/da9121-regulator.c b/drivers/regulator/da9121-regulator.c
index 5ee76b533576..96257551bb12 100644
--- a/drivers/regulator/da9121-regulator.c
+++ b/drivers/regulator/da9121-regulator.c
@@ -872,7 +872,7 @@ static struct regmap_config da9121_1ch_regmap_config = {
 	.rd_table = &da9121_1ch_readable_table,
 	.wr_table = &da9121_1ch_writeable_table,
 	.volatile_table = &da9121_volatile_table,
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 };
 
 /* DA9121 regmap config for 2 channel variants */
@@ -883,7 +883,7 @@ static struct regmap_config da9121_2ch_regmap_config = {
 	.rd_table = &da9121_2ch_readable_table,
 	.wr_table = &da9121_2ch_writeable_table,
 	.volatile_table = &da9121_volatile_table,
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 };
 
 static int da9121_check_device_type(struct i2c_client *i2c, struct da9121 *chip)
-- 
2.18.2