linux-kernel - [PATCH v5 11/15] iio: sx9310: Use variable to hold &client->dev

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Message-Id: <20200803175559.v5.11.If9d9c0fe089e43ea2dbc7900b6d61cd05c66f1f7@changeid>
Date:   Mon,  3 Aug 2020 17:58:11 -0600
From:   Daniel Campello <campello@...omium.org>
To:     LKML <devicetree@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Daniel Campello <campello@...omium.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Stephen Boyd <swboyd@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        linux-iio@...r.kernel.org
Subject: [PATCH v5 11/15] iio: sx9310: Use variable to hold &client->dev

Improves readability by storing &client->dev in a local variable.

Signed-off-by: Daniel Campello <campello@...omium.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
Reviewed-by: Stephen Boyd <swboyd@...omium.org>
---

Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2:
 - Added '\n' to dev_err()

 drivers/iio/proximity/sx9310.c | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/iio/proximity/sx9310.c b/drivers/iio/proximity/sx9310.c
index adb707e2d79612..589052d2d1146e 100644
--- a/drivers/iio/proximity/sx9310.c
+++ b/drivers/iio/proximity/sx9310.c
@@ -887,11 +887,12 @@ static int sx9310_set_indio_dev_name(struct device *dev,
 static int sx9310_probe(struct i2c_client *client)
 {
 	int ret;
+	struct device *dev = &client->dev;
 	struct iio_dev *indio_dev;
 	struct sx9310_data *data;
 
-	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
-	if (indio_dev == NULL)
+	indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
+	if (!indio_dev)
 		return -ENOMEM;
 
 	data = iio_priv(indio_dev);
@@ -905,17 +906,16 @@ static int sx9310_probe(struct i2c_client *client)
 
 	ret = regmap_read(data->regmap, SX9310_REG_WHOAMI, &data->whoami);
 	if (ret) {
-		dev_err(&client->dev, "error in reading WHOAMI register: %d",
-			ret);
+		dev_err(dev, "error in reading WHOAMI register: %d\n", ret);
 		return ret;
 	}
 
-	ret = sx9310_set_indio_dev_name(&client->dev, indio_dev, data->whoami);
+	ret = sx9310_set_indio_dev_name(dev, indio_dev, data->whoami);
 	if (ret)
 		return ret;
 
-	ACPI_COMPANION_SET(&indio_dev->dev, ACPI_COMPANION(&client->dev));
-	indio_dev->dev.parent = &client->dev;
+	ACPI_COMPANION_SET(&indio_dev->dev, ACPI_COMPANION(dev));
+	indio_dev->dev.parent = dev;
 	indio_dev->channels = sx9310_channels;
 	indio_dev->num_channels = ARRAY_SIZE(sx9310_channels);
 	indio_dev->info = &sx9310_info;
@@ -927,7 +927,7 @@ static int sx9310_probe(struct i2c_client *client)
 		return ret;
 
 	if (client->irq) {
-		ret = devm_request_threaded_irq(&client->dev, client->irq,
+		ret = devm_request_threaded_irq(dev, client->irq,
 						sx9310_irq_handler,
 						sx9310_irq_thread_handler,
 						IRQF_TRIGGER_LOW | IRQF_ONESHOT,
@@ -935,29 +935,29 @@ static int sx9310_probe(struct i2c_client *client)
 		if (ret)
 			return ret;
 
-		data->trig =
-			devm_iio_trigger_alloc(&client->dev, "%s-dev%d",
-					       indio_dev->name, indio_dev->id);
+		data->trig = devm_iio_trigger_alloc(dev, "%s-dev%d",
+						    indio_dev->name,
+						    indio_dev->id);
 		if (!data->trig)
 			return -ENOMEM;
 
-		data->trig->dev.parent = &client->dev;
+		data->trig->dev.parent = dev;
 		data->trig->ops = &sx9310_trigger_ops;
 		iio_trigger_set_drvdata(data->trig, indio_dev);
 
-		ret = devm_iio_trigger_register(&client->dev, data->trig);
+		ret = devm_iio_trigger_register(dev, data->trig);
 		if (ret)
 			return ret;
 	}
 
-	ret = devm_iio_triggered_buffer_setup(&client->dev, indio_dev,
+	ret = devm_iio_triggered_buffer_setup(dev, indio_dev,
 					      iio_pollfunc_store_time,
 					      sx9310_trigger_handler,
 					      &sx9310_buffer_setup_ops);
 	if (ret)
 		return ret;
 
-	return devm_iio_device_register(&client->dev, indio_dev);
+	return devm_iio_device_register(dev, indio_dev);
 }
 
 static int __maybe_unused sx9310_suspend(struct device *dev)
-- 
2.28.0.163.g6104cc2f0b6-goog