From b20732900e4636a467c0183a47f7396700f5f743 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 7 Aug 2024 15:11:22 +0200
Subject: Adding upstream version 6.9.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 drivers/video/backlight/hx8357.c | 57 +++++++++++++++++++---------------------
 1 file changed, 27 insertions(+), 30 deletions(-)

(limited to 'drivers/video/backlight/hx8357.c')

diff --git a/drivers/video/backlight/hx8357.c b/drivers/video/backlight/hx8357.c
index bf18337ff0..339d9128fb 100644
--- a/drivers/video/backlight/hx8357.c
+++ b/drivers/video/backlight/hx8357.c
@@ -8,9 +8,9 @@
 #include <linux/delay.h>
 #include <linux/gpio/consumer.h>
 #include <linux/lcd.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
+#include <linux/property.h>
 #include <linux/spi/spi.h>
 
 #define HX8357_NUM_IM_PINS	3
@@ -564,41 +564,28 @@ static struct lcd_ops hx8357_ops = {
 	.get_power	= hx8357_get_power,
 };
 
-static const struct of_device_id hx8357_dt_ids[] = {
-	{
-		.compatible = "himax,hx8357",
-		.data = hx8357_lcd_init,
-	},
-	{
-		.compatible = "himax,hx8369",
-		.data = hx8369_lcd_init,
-	},
-	{},
-};
-MODULE_DEVICE_TABLE(of, hx8357_dt_ids);
+typedef int (*hx8357_init_fn)(struct lcd_device *);
 
 static int hx8357_probe(struct spi_device *spi)
 {
 	struct device *dev = &spi->dev;
 	struct lcd_device *lcdev;
 	struct hx8357_data *lcd;
-	const struct of_device_id *match;
+	hx8357_init_fn init_fn;
 	int i, ret;
 
-	lcd = devm_kzalloc(&spi->dev, sizeof(*lcd), GFP_KERNEL);
+	lcd = devm_kzalloc(dev, sizeof(*lcd), GFP_KERNEL);
 	if (!lcd)
 		return -ENOMEM;
 
 	ret = spi_setup(spi);
-	if (ret < 0) {
-		dev_err(&spi->dev, "SPI setup failed.\n");
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "SPI setup failed.\n");
 
 	lcd->spi = spi;
 
-	match = of_match_device(hx8357_dt_ids, &spi->dev);
-	if (!match || !match->data)
+	init_fn = device_get_match_data(dev);
+	if (!init_fn)
 		return -EINVAL;
 
 	lcd->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
@@ -617,8 +604,7 @@ static int hx8357_probe(struct spi_device *spi)
 			gpiod_set_consumer_name(lcd->im_pins->desc[i], "im_pins");
 	}
 
-	lcdev = devm_lcd_device_register(&spi->dev, "mxsfb", &spi->dev, lcd,
-					&hx8357_ops);
+	lcdev = devm_lcd_device_register(dev, "mxsfb", dev, lcd, &hx8357_ops);
 	if (IS_ERR(lcdev)) {
 		ret = PTR_ERR(lcdev);
 		return ret;
@@ -627,17 +613,28 @@ static int hx8357_probe(struct spi_device *spi)
 
 	hx8357_lcd_reset(lcdev);
 
-	ret = ((int (*)(struct lcd_device *))match->data)(lcdev);
-	if (ret) {
-		dev_err(&spi->dev, "Couldn't initialize panel\n");
-		return ret;
-	}
+	ret = init_fn(lcdev);
+	if (ret)
+		return dev_err_probe(dev, ret, "Couldn't initialize panel\n");
 
-	dev_info(&spi->dev, "Panel probed\n");
+	dev_info(dev, "Panel probed\n");
 
 	return 0;
 }
 
+static const struct of_device_id hx8357_dt_ids[] = {
+	{
+		.compatible = "himax,hx8357",
+		.data = hx8357_lcd_init,
+	},
+	{
+		.compatible = "himax,hx8369",
+		.data = hx8369_lcd_init,
+	},
+	{}
+};
+MODULE_DEVICE_TABLE(of, hx8357_dt_ids);
+
 static struct spi_driver hx8357_driver = {
 	.probe  = hx8357_probe,
 	.driver = {
-- 
cgit v1.2.3