diff --git a/drivers/regulator/da9211-regulator.c b/drivers/regulator/da9211-regulator.c
index 1482ada..05f879a 100644
--- a/drivers/regulator/da9211-regulator.c
+++ b/drivers/regulator/da9211-regulator.c
@@ -282,7 +282,7 @@
 
 		if (chip->chip_irq != 0) {
 			ret = regmap_update_bits(chip->regmap,
-				DA9211_REG_MASK_B, DA9211_M_OV_CURR_A << i, 1);
+				DA9211_REG_MASK_B, DA9211_M_OV_CURR_A << i, 0);
 			if (ret < 0) {
 				dev_err(chip->dev,
 					"Failed to update mask reg: %d\n", ret);
diff --git a/drivers/regulator/ltc3589.c b/drivers/regulator/ltc3589.c
index c756955..0ce8e4e 100644
--- a/drivers/regulator/ltc3589.c
+++ b/drivers/regulator/ltc3589.c
@@ -372,6 +372,7 @@
 	switch (reg) {
 	case LTC3589_IRQSTAT:
 	case LTC3589_PGSTAT:
+	case LTC3589_VCCR:
 		return true;
 	}
 	return false;
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index 3ef67a8..7380af8 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -211,9 +211,6 @@
 	int i;
 	int error;
 
-	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-		return -EIO;
-
 	/**
 	 * init_data points to array of regulator_init structures
 	 * coming from the board-evm file.