iio: imx7d_adc: Add local struct device pointer in imx7d_adc_probe()

Use a local "struct device *dev" in imx7d_adc_probe() for brevity. No
functional change intended.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Hartmut Knaack <knaack.h@gmx.de>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: Chris Healy <cphealy@gmail.com>
Cc: linux-iio@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/adc/imx7d_adc.c

@@ -438,51 +438,51 @@ static int imx7d_adc_probe(struct platform_device *pdev)
 	struct imx7d_adc *info;
 	struct iio_dev *indio_dev;
 	struct resource *mem;
+	struct device *dev = &pdev->dev;
 	int irq;
 	int ret;
 
-	indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*info));
+	indio_dev = devm_iio_device_alloc(dev, sizeof(*info));
 	if (!indio_dev) {
 		dev_err(&pdev->dev, "Failed allocating iio device\n");
 		return -ENOMEM;
 	}
 
 	info = iio_priv(indio_dev);
-	info->dev = &pdev->dev;
+	info->dev = dev;
 
 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	info->regs = devm_ioremap_resource(&pdev->dev, mem);
+	info->regs = devm_ioremap_resource(dev, mem);
 	if (IS_ERR(info->regs)) {
 		ret = PTR_ERR(info->regs);
-		dev_err(&pdev->dev,
-			"Failed to remap adc memory, err = %d\n", ret);
+		dev_err(dev, "Failed to remap adc memory, err = %d\n", ret);
 		return ret;
 	}
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
-		dev_err(&pdev->dev, "No irq resource?\n");
+		dev_err(dev, "No irq resource?\n");
 		return irq;
 	}
 
-	info->clk = devm_clk_get(&pdev->dev, "adc");
+	info->clk = devm_clk_get(dev, "adc");
 	if (IS_ERR(info->clk)) {
 		ret = PTR_ERR(info->clk);
-		dev_err(&pdev->dev, "Failed getting clock, err = %d\n", ret);
+		dev_err(dev, "Failed getting clock, err = %d\n", ret);
 		return ret;
 	}
 
-	info->vref = devm_regulator_get(&pdev->dev, "vref");
+	info->vref = devm_regulator_get(dev, "vref");
 	if (IS_ERR(info->vref)) {
 		ret = PTR_ERR(info->vref);
-		dev_err(&pdev->dev,
+		dev_err(dev,
 			"Failed getting reference voltage, err = %d\n", ret);
 		return ret;
 	}
 
 	ret = regulator_enable(info->vref);
 	if (ret) {
-		dev_err(&pdev->dev,
+		dev_err(dev,
 			"Can't enable adc reference top voltage, err = %d\n",
 			ret);
 		return ret;
@@ -492,8 +492,8 @@ static int imx7d_adc_probe(struct platform_device *pdev)
 
 	init_completion(&info->completion);
 
-	indio_dev->name = dev_name(&pdev->dev);
-	indio_dev->dev.parent = &pdev->dev;
+	indio_dev->name = dev_name(dev);
+	indio_dev->dev.parent = dev;
 	indio_dev->info = &imx7d_adc_iio_info;
 	indio_dev->modes = INDIO_DIRECT_MODE;
 	indio_dev->channels = imx7d_adc_iio_channels;
@@ -501,16 +501,15 @@ static int imx7d_adc_probe(struct platform_device *pdev)
 
 	ret = clk_prepare_enable(info->clk);
 	if (ret) {
-		dev_err(&pdev->dev,
-			"Could not prepare or enable the clock.\n");
+		dev_err(dev, "Could not prepare or enable the clock.\n");
 		goto error_adc_clk_enable;
 	}
 
-	ret = devm_request_irq(info->dev, irq,
-				imx7d_adc_isr, 0,
-				dev_name(&pdev->dev), info);
+	ret = devm_request_irq(dev, irq,
+			       imx7d_adc_isr, 0,
+			       dev_name(dev), info);
 	if (ret < 0) {
-		dev_err(&pdev->dev, "Failed requesting irq, irq = %d\n", irq);
+		dev_err(dev, "Failed requesting irq, irq = %d\n", irq);
 		goto error_iio_device_register;
 	}