[PATCH v5 1/4] iio: adc: ad799x: use local device pointer in probe

[Archit Anant <architanant5@gmail.com>]

Introduce a local device pointer 'dev' in ad799x_probe() and use it
throughout the function instead of accessing &client->dev repeatedly.

Signed-off-by: Archit Anant <architanant5@gmail.com>
---
 drivers/iio/adc/ad799x.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c
index 108bb22162ef..9825abc9285d 100644
--- a/drivers/iio/adc/ad799x.c
+++ b/drivers/iio/adc/ad799x.c
@@ -783,6 +783,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = {
 
 static int ad799x_probe(struct i2c_client *client)
 {
+	struct device *dev = &client->dev;
 	const struct i2c_device_id *id = i2c_client_get_device_id(client);
 	int ret;
 	int extra_config = 0;
@@ -791,7 +792,7 @@ static int ad799x_probe(struct i2c_client *client)
 	const struct ad799x_chip_info *chip_info =
 		&ad799x_chip_info_tbl[id->driver_data];
 
-	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*st));
+	indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
 	if (indio_dev == NULL)
 		return -ENOMEM;
 
@@ -807,7 +808,7 @@ static int ad799x_probe(struct i2c_client *client)
 
 	/* TODO: Add pdata options for filtering and bit delay */
 
-	st->reg = devm_regulator_get(&client->dev, "vcc");
+	st->reg = devm_regulator_get(dev, "vcc");
 	if (IS_ERR(st->reg))
 		return PTR_ERR(st->reg);
 	ret = regulator_enable(st->reg);
@@ -816,17 +817,17 @@ static int ad799x_probe(struct i2c_client *client)
 
 	/* check if an external reference is supplied */
 	if (chip_info->has_vref) {
-		st->vref = devm_regulator_get_optional(&client->dev, "vref");
+		st->vref = devm_regulator_get_optional(dev, "vref");
 		ret = PTR_ERR_OR_ZERO(st->vref);
 		if (ret) {
 			if (ret != -ENODEV)
 				goto error_disable_reg;
 			st->vref = NULL;
-			dev_info(&client->dev, "Using VCC reference voltage\n");
+			dev_info(dev, "Using VCC reference voltage\n");
 		}
 
 		if (st->vref) {
-			dev_info(&client->dev, "Using external reference voltage\n");
+			dev_info(dev, "Using external reference voltage\n");
 			extra_config |= AD7991_REF_SEL;
 			ret = regulator_enable(st->vref);
 			if (ret)
@@ -853,7 +854,7 @@ static int ad799x_probe(struct i2c_client *client)
 		goto error_disable_vref;
 
 	if (client->irq > 0) {
-		ret = devm_request_threaded_irq(&client->dev,
+		ret = devm_request_threaded_irq(dev,
 						client->irq,
 						NULL,
 						ad799x_event_handler,
-- 
2.39.5