--- zzzz-none-000/linux-3.10.107/drivers/video/backlight/l4f00242t03.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/video/backlight/l4f00242t03.c	2021-02-04 17:41:59.000000000 +0000
@@ -48,7 +48,7 @@
 
 static void l4f00242t03_lcd_init(struct spi_device *spi)
 {
-	struct l4f00242t03_pdata *pdata = spi->dev.platform_data;
+	struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev);
 	struct l4f00242t03_priv *priv = spi_get_drvdata(spi);
 	const u16 cmd[] = { 0x36, param(0), 0x3A, param(0x60) };
 	int ret;
@@ -88,7 +88,7 @@
 
 static void l4f00242t03_lcd_powerdown(struct spi_device *spi)
 {
-	struct l4f00242t03_pdata *pdata = spi->dev.platform_data;
+	struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev);
 	struct l4f00242t03_priv *priv = spi_get_drvdata(spi);
 
 	dev_dbg(&spi->dev, "Powering down LCD\n");
@@ -171,7 +171,7 @@
 static int l4f00242t03_probe(struct spi_device *spi)
 {
 	struct l4f00242t03_priv *priv;
-	struct l4f00242t03_pdata *pdata = spi->dev.platform_data;
+	struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev);
 	int ret;
 
 	if (pdata == NULL) {
@@ -181,11 +181,8 @@
 
 	priv = devm_kzalloc(&spi->dev, sizeof(struct l4f00242t03_priv),
 				GFP_KERNEL);
-
-	if (priv == NULL) {
-		dev_err(&spi->dev, "No memory for this device.\n");
+	if (priv == NULL)
 		return -ENOMEM;
-	}
 
 	spi_set_drvdata(spi, priv);
 	spi->bits_per_word = 9;
@@ -223,8 +220,8 @@
 		return PTR_ERR(priv->core_reg);
 	}
 
-	priv->ld = lcd_device_register("l4f00242t03",
-					&spi->dev, priv, &l4f_ops);
+	priv->ld = devm_lcd_device_register(&spi->dev, "l4f00242t03", &spi->dev,
+					priv, &l4f_ops);
 	if (IS_ERR(priv->ld))
 		return PTR_ERR(priv->ld);
 
@@ -243,9 +240,6 @@
 	struct l4f00242t03_priv *priv = spi_get_drvdata(spi);
 
 	l4f00242t03_lcd_power_set(priv->ld, FB_BLANK_POWERDOWN);
-	lcd_device_unregister(priv->ld);
-	spi_set_drvdata(spi, NULL);
-
 	return 0;
 }
 
@@ -261,7 +255,6 @@
 static struct spi_driver l4f00242t03_driver = {
 	.driver = {
 		.name	= "l4f00242t03",
-		.owner	= THIS_MODULE,
 	},
 	.probe		= l4f00242t03_probe,
 	.remove		= l4f00242t03_remove,