3 files changed, 13 insertions, 6 deletions
diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c
index ea50a886ba63..8b0f788a9bbb 100644
--- a/drivers/regulator/ad5398.c
+++ b/drivers/regulator/ad5398.c
@@ -58,10 +58,12 @@ static int ad5398_write_reg(struct i2c_client *client, const unsigned short data
 
 	val = cpu_to_be16(data);
 	ret = i2c_master_send(client, (char *)&val, 2);
-	if (ret < 0)
+	if (ret != 2) {
 		dev_err(&client->dev, "I2C write error\n");
+		return ret < 0 ? ret : -EIO;
+	}
 
-	return ret;
+	return 0;
 }
 
 static int ad5398_get_current_limit(struct regulator_dev *rdev)
diff --git a/drivers/regulator/da9210-regulator.c b/drivers/regulator/da9210-regulator.c
index 8b3cc9f0cd64..01c0e3709b66 100644
--- a/drivers/regulator/da9210-regulator.c
+++ b/drivers/regulator/da9210-regulator.c
@@ -132,6 +132,8 @@ static irqreturn_t da9210_irq_handler(int irq, void *data)
 	if (error < 0)
 		goto error_i2c;
 
+	mutex_lock(&chip->rdev->mutex);
+
 	if (val & DA9210_E_OVCURR) {
 		regulator_notifier_call_chain(chip->rdev,
 					      REGULATOR_EVENT_OVER_CURRENT,
@@ -155,6 +157,9 @@ static irqreturn_t da9210_irq_handler(int irq, void *data)
 					      NULL);
 		handled |= DA9210_E_VMAX;
 	}
+
+	mutex_unlock(&chip->rdev->mutex);
+
 	if (handled) {
 		/* Clear handled events */
 		error = regmap_write(chip->regmap, DA9210_REG_EVENT_B, handled);
diff --git a/drivers/regulator/pv88090-regulator.c b/drivers/regulator/pv88090-regulator.c
index ac15f31b5fe0..0057c6740d6f 100644
--- a/drivers/regulator/pv88090-regulator.c
+++ b/drivers/regulator/pv88090-regulator.c
@@ -283,8 +283,8 @@ static irqreturn_t pv88090_irq_handler(int irq, void *data)
 			}
 		}
 
-		err = regmap_update_bits(chip->regmap, PV88090_REG_EVENT_A,
-			PV88090_E_VDD_FLT, PV88090_E_VDD_FLT);
+		err = regmap_write(chip->regmap, PV88090_REG_EVENT_A,
+			PV88090_E_VDD_FLT);
 		if (err < 0)
 			goto error_i2c;
 
@@ -300,8 +300,8 @@ static irqreturn_t pv88090_irq_handler(int irq, void *data)
 			}
 		}
 
-		err = regmap_update_bits(chip->regmap, PV88090_REG_EVENT_A,
-			PV88090_E_OVER_TEMP, PV88090_E_OVER_TEMP);
+		err = regmap_write(chip->regmap, PV88090_REG_EVENT_A,
+			PV88090_E_OVER_TEMP);
 		if (err < 0)
 			goto error_i2c;