enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/drivers/video/backlight/l4f00242t03.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * l4f00242t03.c -- support for Epson L4F00242T03 LCD
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  *
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@@ -5,10 +6,6 @@
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  *
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  * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
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  *	Inspired by Marek Vasut work in l4f00242t03.c
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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@@ -17,13 +14,11 @@
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 #include <linux/kernel.h>
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 #include <linux/delay.h>
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 #include <linux/module.h>
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-#include <linux/gpio.h>
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+#include <linux/gpio/consumer.h>
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 #include <linux/lcd.h>
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 #include <linux/slab.h>
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 #include <linux/regulator/consumer.h>
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-
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 #include <linux/spi/spi.h>
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-#include <linux/spi/l4f00242t03.h>
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 struct l4f00242t03_priv {
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 	struct spi_device	*spi;
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@@ -31,16 +26,18 @@
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 	int lcd_state;
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 	struct regulator *io_reg;
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 	struct regulator *core_reg;
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+	struct gpio_desc *reset;
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+	struct gpio_desc *enable;
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 };
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-static void l4f00242t03_reset(unsigned int gpio)
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+static void l4f00242t03_reset(struct gpio_desc *gpiod)
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 {
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 	pr_debug("l4f00242t03_reset.\n");
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-	gpio_set_value(gpio, 1);
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+	gpiod_set_value(gpiod, 1);
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 	mdelay(100);
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-	gpio_set_value(gpio, 0);
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+	gpiod_set_value(gpiod, 0);
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 	mdelay(10);	/* tRES >= 100us */
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-	gpio_set_value(gpio, 1);
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+	gpiod_set_value(gpiod, 1);
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 	mdelay(20);
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 }
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@@ -48,7 +45,6 @@
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45
 
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 static void l4f00242t03_lcd_init(struct spi_device *spi)
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 {
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-	struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev);
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 	struct l4f00242t03_priv *priv = spi_get_drvdata(spi);
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 	const u16 cmd[] = { 0x36, param(0), 0x3A, param(0x60) };
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 	int ret;
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@@ -79,21 +75,20 @@
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 		return;
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 	}
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-	l4f00242t03_reset(pdata->reset_gpio);
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+	l4f00242t03_reset(priv->reset);
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-	gpio_set_value(pdata->data_enable_gpio, 1);
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+	gpiod_set_value(priv->enable, 1);
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 	msleep(60);
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 	spi_write(spi, (const u8 *)cmd, ARRAY_SIZE(cmd) * sizeof(u16));
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 }
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 static void l4f00242t03_lcd_powerdown(struct spi_device *spi)
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 {
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-	struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev);
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 	struct l4f00242t03_priv *priv = spi_get_drvdata(spi);
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 	dev_dbg(&spi->dev, "Powering down LCD\n");
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-	gpio_set_value(pdata->data_enable_gpio, 0);
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+	gpiod_set_value(priv->enable, 0);
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 	regulator_disable(priv->io_reg);
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 	regulator_disable(priv->core_reg);
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@@ -171,13 +166,6 @@
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 static int l4f00242t03_probe(struct spi_device *spi)
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 {
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 	struct l4f00242t03_priv *priv;
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-	struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev);
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-	int ret;
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-
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-	if (pdata == NULL) {
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-		dev_err(&spi->dev, "Uninitialized platform data.\n");
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-		return -EINVAL;
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-	}
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 	priv = devm_kzalloc(&spi->dev, sizeof(struct l4f00242t03_priv),
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 				GFP_KERNEL);
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@@ -190,21 +178,21 @@
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 	priv->spi = spi;
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-	ret = devm_gpio_request_one(&spi->dev, pdata->reset_gpio,
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-			GPIOF_OUT_INIT_HIGH, "lcd l4f00242t03 reset");
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-	if (ret) {
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+	priv->reset = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_HIGH);
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+	if (IS_ERR(priv->reset)) {
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 		dev_err(&spi->dev,
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 			"Unable to get the lcd l4f00242t03 reset gpio.\n");
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-		return ret;
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+		return PTR_ERR(priv->reset);
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 	}
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+	gpiod_set_consumer_name(priv->reset, "lcd l4f00242t03 reset");
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-	ret = devm_gpio_request_one(&spi->dev, pdata->data_enable_gpio,
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-			GPIOF_OUT_INIT_LOW, "lcd l4f00242t03 data enable");
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-	if (ret) {
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+	priv->enable = devm_gpiod_get(&spi->dev, "enable", GPIOD_OUT_LOW);
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+	if (IS_ERR(priv->enable)) {
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 		dev_err(&spi->dev,
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 			"Unable to get the lcd l4f00242t03 data en gpio.\n");
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-		return ret;
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+		return PTR_ERR(priv->enable);
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 	}
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+	gpiod_set_consumer_name(priv->enable, "lcd l4f00242t03 data enable");
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 	priv->io_reg = devm_regulator_get(&spi->dev, "vdd");
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 	if (IS_ERR(priv->io_reg)) {