--- zzzz-none-000/linux-3.10.107/drivers/video/backlight/platform_lcd.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/video/backlight/platform_lcd.c	2021-02-04 17:41:59.000000000 +0000
@@ -80,7 +80,7 @@
 	struct device *dev = &pdev->dev;
 	int err;
 
-	pdata = pdev->dev.platform_data;
+	pdata = dev_get_platdata(&pdev->dev);
 	if (!pdata) {
 		dev_err(dev, "no platform data supplied\n");
 		return -EINVAL;
@@ -94,37 +94,22 @@
 
 	plcd = devm_kzalloc(&pdev->dev, sizeof(struct platform_lcd),
 			    GFP_KERNEL);
-	if (!plcd) {
-		dev_err(dev, "no memory for state\n");
+	if (!plcd)
 		return -ENOMEM;
-	}
 
 	plcd->us = dev;
 	plcd->pdata = pdata;
-	plcd->lcd = lcd_device_register(dev_name(dev), dev,
-					plcd, &platform_lcd_ops);
+	plcd->lcd = devm_lcd_device_register(&pdev->dev, dev_name(dev), dev,
+						plcd, &platform_lcd_ops);
 	if (IS_ERR(plcd->lcd)) {
 		dev_err(dev, "cannot register lcd device\n");
-		err = PTR_ERR(plcd->lcd);
-		goto err;
+		return PTR_ERR(plcd->lcd);
 	}
 
 	platform_set_drvdata(pdev, plcd);
 	platform_lcd_set_power(plcd->lcd, FB_BLANK_NORMAL);
 
 	return 0;
-
- err:
-	return err;
-}
-
-static int platform_lcd_remove(struct platform_device *pdev)
-{
-	struct platform_lcd *plcd = platform_get_drvdata(pdev);
-
-	lcd_device_unregister(plcd->lcd);
-
-	return 0;
 }
 
 #ifdef CONFIG_PM_SLEEP
@@ -163,12 +148,10 @@
 static struct platform_driver platform_lcd_driver = {
 	.driver		= {
 		.name	= "platform-lcd",
-		.owner	= THIS_MODULE,
 		.pm	= &platform_lcd_pm_ops,
 		.of_match_table = of_match_ptr(platform_lcd_of_match),
 	},
 	.probe		= platform_lcd_probe,
-	.remove		= platform_lcd_remove,
 };
 
 module_platform_driver(platform_lcd_driver);