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Message-ID: <20240206071314.8721-13-liubo03@inspur.com>
Date: Tue, 6 Feb 2024 02:13:08 -0500
From: Bo Liu <liubo03@...pur.com>
To: <lee@...nel.org>, <wens@...e.org>, <marek.vasut+renesas@...il.com>,
<support.opensource@...semi.com>, <neil.armstrong@...aro.org>,
<ckeepax@...nsource.cirrus.com>, <rf@...nsource.cirrus.com>,
<mazziesaccount@...il.com>, <mcoquelin.stm32@...il.com>,
<alexandre.torgue@...s.st.com>
CC: <linux-kernel@...r.kernel.org>, <linux-renesas-soc@...r.kernel.org>,
<linux-amlogic@...ts.infradead.org>, <patches@...nsource.cirrus.com>,
<linux-stm32@...md-mailman.stormreply.com>,
<linux-arm-kernel@...ts.infradead.org>, Bo Liu <liubo03@...pur.com>
Subject: [PATCH 12/18] mfd: rk8xx: 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/mfd/rk8xx-spi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mfd/rk8xx-spi.c b/drivers/mfd/rk8xx-spi.c
index fd137f38c2c4..3405fb82ff9f 100644
--- a/drivers/mfd/rk8xx-spi.c
+++ b/drivers/mfd/rk8xx-spi.c
@@ -34,7 +34,7 @@ static const struct regmap_config rk806_regmap_config_spi = {
.reg_bits = 16,
.val_bits = 8,
.max_register = RK806_BUCK_RSERVE_REG5,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.volatile_table = &rk806_volatile_table,
};
--
2.18.2
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