linux-kernel - [PATCH v1 06/13] regulator: pca9450: convert to use maple tree register cache

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Date: Wed, 20 Mar 2024 04:57:33 -0400
From: Bo Liu <liubo03@...pur.com>
To: <support.opensource@...semi.com>, <lgirdwood@...il.com>,
	<broonie@...nel.org>, <matthias.bgg@...il.com>,
	<angelogioacchino.delregno@...labora.com>, <jagan@...rulasolutions.com>
CC: <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-mediatek@...ts.infradead.org>, Bo Liu <liubo03@...pur.com>
Subject: [PATCH v1 06/13] regulator: pca9450: 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@...pur.com>
---
 drivers/regulator/pca9450-regulator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/regulator/pca9450-regulator.c b/drivers/regulator/pca9450-regulator.c
index 2ab365d2749f..8781e58b74f7 100644
--- a/drivers/regulator/pca9450-regulator.c
+++ b/drivers/regulator/pca9450-regulator.c
@@ -53,7 +53,7 @@ static const struct regmap_config pca9450_regmap_config = {
 	.val_bits = 8,
 	.volatile_table = &pca9450_volatile_regs,
 	.max_register = PCA9450_MAX_REGISTER - 1,
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 };
 
 /*
-- 
2.18.2