linux-kernel - [PATCH 5.10 081/146] regulator: rtmv20: Fix to make regcache value first reading back from HW

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Message-Id: <20210621154916.138915879@linuxfoundation.org>
Date:   Mon, 21 Jun 2021 18:15:11 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, ChiYuan Huang <cy_huang@...htek.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 081/146] regulator: rtmv20: Fix to make regcache value first reading back from HW

From: ChiYuan Huang <cy_huang@...htek.com>

[ Upstream commit 46639a5e684edd0b80ae9dff220f193feb356277 ]

- Fix to make regcache value first reading back from HW.

Signed-off-by: ChiYuan Huang <cy_huang@...htek.com>
Link: https://lore.kernel.org/r/1622542155-6373-1-git-send-email-u0084500@gmail.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/regulator/rtmv20-regulator.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/regulator/rtmv20-regulator.c b/drivers/regulator/rtmv20-regulator.c
index 5adc552dffd5..4bca64de0f67 100644
--- a/drivers/regulator/rtmv20-regulator.c
+++ b/drivers/regulator/rtmv20-regulator.c
@@ -27,6 +27,7 @@
 #define RTMV20_REG_LDIRQ	0x30
 #define RTMV20_REG_LDSTAT	0x40
 #define RTMV20_REG_LDMASK	0x50
+#define RTMV20_MAX_REGS		(RTMV20_REG_LDMASK + 1)
 
 #define RTMV20_VID_MASK		GENMASK(7, 4)
 #define RICHTEK_VID		0x80
@@ -313,6 +314,7 @@ static const struct regmap_config rtmv20_regmap_config = {
 	.val_bits = 8,
 	.cache_type = REGCACHE_RBTREE,
 	.max_register = RTMV20_REG_LDMASK,
+	.num_reg_defaults_raw = RTMV20_MAX_REGS,
 
 	.writeable_reg = rtmv20_is_accessible_reg,
 	.readable_reg = rtmv20_is_accessible_reg,
-- 
2.30.2