[PATCH v3 7/7] backlight: gpio: use a helper variable for &pdev->dev

[Bartosz Golaszewski]

From: Bartosz Golaszewski <bgolaszew...@baylibre.com>

Instead of dereferencing pdev each time, use a helper variable for
the associated device pointer.

Signed-off-by: Bartosz Golaszewski <bgolaszew...@baylibre.com>
---
 drivers/video/backlight/gpio_backlight.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/video/backlight/gpio_backlight.c 
b/drivers/video/backlight/gpio_backlight.c
index cd6a75bca9cc..7dc4f90d926b 100644
--- a/drivers/video/backlight/gpio_backlight.c
+++ b/drivers/video/backlight/gpio_backlight.c
@@ -54,29 +54,29 @@ static const struct backlight_ops gpio_backlight_ops = {
 
 static int gpio_backlight_probe(struct platform_device *pdev)
 {
-       struct gpio_backlight_platform_data *pdata =
-               dev_get_platdata(&pdev->dev);
+       struct device *dev = &pdev->dev;
+       struct gpio_backlight_platform_data *pdata = dev_get_platdata(dev);
        struct backlight_properties props;
        struct backlight_device *bl;
        struct gpio_backlight *gbl;
        enum gpiod_flags flags;
        int ret, def_value;
 
-       gbl = devm_kzalloc(&pdev->dev, sizeof(*gbl), GFP_KERNEL);
+       gbl = devm_kzalloc(dev, sizeof(*gbl), GFP_KERNEL);
        if (gbl == NULL)
                return -ENOMEM;
 
        if (pdata)
                gbl->fbdev = pdata->fbdev;
 
-       def_value = device_property_read_bool(&pdev->dev, "default-on");
+       def_value = device_property_read_bool(dev, "default-on");
        flags = def_value ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW;
 
-       gbl->gpiod = devm_gpiod_get(&pdev->dev, NULL, flags);
+       gbl->gpiod = devm_gpiod_get(dev, NULL, flags);
        if (IS_ERR(gbl->gpiod)) {
                ret = PTR_ERR(gbl->gpiod);
                if (ret != -EPROBE_DEFER) {
-                       dev_err(&pdev->dev,
+                       dev_err(dev,
                                "Error: The gpios parameter is missing or 
invalid.\n");
                }
                return ret;
@@ -85,11 +85,10 @@ static int gpio_backlight_probe(struct platform_device 
*pdev)
        memset(&props, 0, sizeof(props));
        props.type = BACKLIGHT_RAW;
        props.max_brightness = 1;
-       bl = devm_backlight_device_register(&pdev->dev, dev_name(&pdev->dev),
-                                       &pdev->dev, gbl, &gpio_backlight_ops,
-                                       &props);
+       bl = devm_backlight_device_register(dev, dev_name(dev), dev, gbl,
+                                           &gpio_backlight_ops, &props);
        if (IS_ERR(bl)) {
-               dev_err(&pdev->dev, "failed to register backlight\n");
+               dev_err(dev, "failed to register backlight\n");
                return PTR_ERR(bl);
        }
 
-- 
2.21.0