[PATCH 5.12 096/178] regulator: rtmv20: Fix to make regcache value first reading back from HW

Greg Kroah-Hartman
2021-06-21T16:48:14Z

From: ChiYuan Huang <cy_huang@richtek.com>

[ Upstream commit 46639a5e684edd0b80ae9dff220f193feb356277 ]

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

Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Link: https://lore.kernel.org/r/1622542155-6373-1-git-send-email-u0084500@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.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