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

From: cy_huang
Date: Tue Jun 01 2021 - 06:09:41 EST


From: ChiYuan Huang <cy_huang@xxxxxxxxxxx>

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

Signed-off-by: ChiYuan Huang <cy_huang@xxxxxxxxxxx>
---
Due to init property function always write the regval, this patch didn't affect the normal
operation. Just used to make sure during the cache init, the regcache default is reading back
from the HW.

---
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 852fb25..b37c29c 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
@@ -275,6 +276,7 @@ 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,
--
2.7.4