diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c
index 6adac61988545c20a47119e5e2fde532a692c165..e7212c8dff04a9b1f33a8dd666425d847d263819 100644
--- a/drivers/staging/iio/adc/ad7192.c
+++ b/drivers/staging/iio/adc/ad7192.c
@@ -424,7 +424,7 @@ static ssize_t ad7192_set(struct device *dev,
 		return -EBUSY;
 	}
 
-	switch ((u32) this_attr->address) {
+	switch ((u32)this_attr->address) {
 	case AD7192_REG_GPOCON:
 		if (val)
 			st->gpocon |= AD7192_GPOCON_BPDSW;
diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c
index 01156c7ceefbe5504af913a61963260d59e64bd5..2737033992827a600e37472135a87a0816814d53 100644
--- a/drivers/staging/iio/adc/ad7280a.c
+++ b/drivers/staging/iio/adc/ad7280a.c
@@ -604,7 +604,7 @@ static ssize_t ad7280_read_channel_config(struct device *dev,
 	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
 	unsigned val;
 
-	switch ((u32) this_attr->address) {
+	switch ((u32)this_attr->address) {
 	case AD7280A_CELL_OVERVOLTAGE:
 		val = 1000 + (st->cell_threshhigh * 1568) / 100;
 		break;
@@ -640,7 +640,7 @@ static ssize_t ad7280_write_channel_config(struct device *dev,
 	if (ret)
 		return ret;
 
-	switch ((u32) this_attr->address) {
+	switch ((u32)this_attr->address) {
 	case AD7280A_CELL_OVERVOLTAGE:
 	case AD7280A_CELL_UNDERVOLTAGE:
 		val = ((val - 1000) * 100) / 1568; /* LSB 15.68mV */
@@ -656,7 +656,7 @@ static ssize_t ad7280_write_channel_config(struct device *dev,
 	val = clamp(val, 0L, 0xFFL);
 
 	mutex_lock(&indio_dev->mlock);
-	switch ((u32) this_attr->address) {
+	switch ((u32)this_attr->address) {
 	case AD7280A_CELL_OVERVOLTAGE:
 		st->cell_threshhigh = val;
 		break;
diff --git a/drivers/staging/iio/adc/ad7606_core.c b/drivers/staging/iio/adc/ad7606_core.c
index 1e324fe31b98756c6563b499a969418bef2f7dd7..5796ed2409d0aff3938c13cfb331c0450d620e04 100644
--- a/drivers/staging/iio/adc/ad7606_core.c
+++ b/drivers/staging/iio/adc/ad7606_core.c
@@ -97,7 +97,7 @@ static int ad7606_read_raw(struct iio_dev *indio_dev,
 
 		if (ret < 0)
 			return ret;
-		*val = (short) ret;
+		*val = (short)ret;
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_SCALE:
 		*val = st->range * 2;
diff --git a/drivers/staging/iio/adc/ad7606_par.c b/drivers/staging/iio/adc/ad7606_par.c
index fbe8237e0be1faec54ceba10f5bbfb7c60125820..3537a78e2d924c62d6a3ad5a303be098e9cb1384 100644
--- a/drivers/staging/iio/adc/ad7606_par.c
+++ b/drivers/staging/iio/adc/ad7606_par.c
@@ -22,7 +22,7 @@ static int ad7606_par16_read_block(struct device *dev,
 	struct iio_dev *indio_dev = platform_get_drvdata(pdev);
 	struct ad7606_state *st = iio_priv(indio_dev);
 
-	insw((unsigned long) st->base_address, buf, count);
+	insw((unsigned long)st->base_address, buf, count);
 
 	return 0;
 }
@@ -38,7 +38,7 @@ static int ad7606_par8_read_block(struct device *dev,
 	struct iio_dev *indio_dev = platform_get_drvdata(pdev);
 	struct ad7606_state *st = iio_priv(indio_dev);
 
-	insb((unsigned long) st->base_address, buf, count * 2);
+	insb((unsigned long)st->base_address, buf, count * 2);
 
 	return 0;
 }