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Subject[PATCH 03/16] rtc: rv3029: remove open coded regmap_update_bits
Date
rv3029_update_bits open codes regmap_update_bits and forgets to properly
lock the register range while doing so. Use regmap_update_bits instead.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-rv3029c2.c | 26 ++++++--------------------
1 file changed, 6 insertions(+), 20 deletions(-)

diff --git a/drivers/rtc/rtc-rv3029c2.c b/drivers/rtc/rtc-rv3029c2.c
index aed28e29a5fd..36b4da260caf 100644
--- a/drivers/rtc/rtc-rv3029c2.c
+++ b/drivers/rtc/rtc-rv3029c2.c
@@ -137,23 +137,6 @@ static int rv3029_write_regs(struct device *dev, u8 reg, u8 const buf[],
return regmap_bulk_write(rv3029->regmap, reg, buf, len);
}

-static int rv3029_update_bits(struct device *dev, u8 reg, u8 mask, u8 set)
-{
- u8 buf;
- int ret;
-
- ret = rv3029_read_regs(dev, reg, &buf, 1);
- if (ret < 0)
- return ret;
- buf &= ~mask;
- buf |= set & mask;
- ret = rv3029_write_regs(dev, reg, &buf, 1);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
static int rv3029_get_sr(struct device *dev, u8 *buf)
{
int ret = rv3029_read_regs(dev, RV3029_STATUS, buf, 1);
@@ -200,14 +183,17 @@ static int rv3029_eeprom_busywait(struct device *dev)

static int rv3029_eeprom_exit(struct device *dev)
{
+ struct rv3029_data *rv3029 = dev_get_drvdata(dev);
+
/* Re-enable eeprom refresh */
- return rv3029_update_bits(dev, RV3029_ONOFF_CTRL,
+ return regmap_update_bits(rv3029->regmap, RV3029_ONOFF_CTRL,
RV3029_ONOFF_CTRL_EERE,
RV3029_ONOFF_CTRL_EERE);
}

static int rv3029_eeprom_enter(struct device *dev)
{
+ struct rv3029_data *rv3029 = dev_get_drvdata(dev);
int ret;
u8 sr;

@@ -236,8 +222,8 @@ static int rv3029_eeprom_enter(struct device *dev)
}

/* Disable eeprom refresh. */
- ret = rv3029_update_bits(dev, RV3029_ONOFF_CTRL, RV3029_ONOFF_CTRL_EERE,
- 0);
+ ret = regmap_update_bits(rv3029->regmap, RV3029_ONOFF_CTRL,
+ RV3029_ONOFF_CTRL_EERE, 0);
if (ret < 0)
return ret;

--
2.23.0
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