ath79: move leds-reset driver to files

This driver looks like it will never be upstreamed. Keep it local for easier modification. Signed-off-by: Rosen Penev <rosenp@gmail.com> Link: https://github.com/openwrt/openwrt/pull/21027 Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
2026-06-19 22:30:14 +02:00
parent 4694bb11a4
commit 30214f3b03
3 changed files with 140 additions and 286 deletions
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2018 John Crispin <john@phrozen.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#include <linux/err.h>
+#include <linux/reset.h>
+#include <linux/kernel.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/reset.h>
+
+struct reset_led_data {
+	struct led_classdev cdev;
+	struct reset_control *rst;
+};
+
+static inline struct reset_led_data *
+			cdev_to_reset_led_data(struct led_classdev *led_cdev)
+{
+	return container_of(led_cdev, struct reset_led_data, cdev);
+}
+
+static void reset_led_set(struct led_classdev *led_cdev,
+	enum led_brightness value)
+{
+	struct reset_led_data *led_dat = cdev_to_reset_led_data(led_cdev);
+
+	if (value == LED_OFF)
+		reset_control_assert(led_dat->rst);
+	else
+		reset_control_deassert(led_dat->rst);
+}
+
+struct reset_leds_priv {
+	int num_leds;
+	struct reset_led_data leds[];
+};
+
+static inline int sizeof_reset_leds_priv(int num_leds)
+{
+	return sizeof(struct reset_leds_priv) +
+		(sizeof(struct reset_led_data) * num_leds);
+}
+
+static struct reset_leds_priv *reset_leds_create(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct fwnode_handle *child;
+	struct reset_leds_priv *priv;
+	int count, ret;
+
+	count = device_get_child_node_count(dev);
+	if (!count)
+		return ERR_PTR(-ENODEV);
+
+	priv = devm_kzalloc(dev, sizeof_reset_leds_priv(count), GFP_KERNEL);
+	if (!priv)
+		return ERR_PTR(-ENOMEM);
+
+	device_for_each_child_node(dev, child) {
+		struct reset_led_data *led = &priv->leds[priv->num_leds];
+		struct device_node *np = to_of_node(child);
+
+		ret = fwnode_property_read_string(child, "label", &led->cdev.name);
+		if (!led->cdev.name) {
+			fwnode_handle_put(child);
+			return ERR_PTR(-EINVAL);
+		}
+		led->rst = __of_reset_control_get(np, NULL, 0, RESET_CONTROL_EXCLUSIVE);
+		if (IS_ERR(led->rst))
+			return ERR_PTR(-EINVAL);
+
+		fwnode_property_read_string(child, "linux,default-trigger",
+						&led->cdev.default_trigger);
+
+		led->cdev.brightness_set = reset_led_set;
+		ret = devm_led_classdev_register(&pdev->dev, &led->cdev);
+		if (ret < 0)
+			return ERR_PTR(ret);
+		led->cdev.dev->of_node = np;
+		priv->num_leds++;
+	}
+
+	return priv;
+}
+
+static const struct of_device_id of_reset_leds_match[] = {
+	{ .compatible = "reset-leds", },
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, of_reset_leds_match);
+
+static int reset_led_probe(struct platform_device *pdev)
+{
+	struct reset_leds_priv *priv;
+
+	priv = reset_leds_create(pdev);
+	if (IS_ERR(priv))
+		return PTR_ERR(priv);
+
+	platform_set_drvdata(pdev, priv);
+
+	return 0;
+}
+
+static void reset_led_shutdown(struct platform_device *pdev)
+{
+	struct reset_leds_priv *priv = platform_get_drvdata(pdev);
+	int i;
+
+	for (i = 0; i < priv->num_leds; i++) {
+		struct reset_led_data *led = &priv->leds[i];
+
+		if (!(led->cdev.flags & LED_RETAIN_AT_SHUTDOWN))
+			reset_led_set(&led->cdev, LED_OFF);
+	}
+}
+
+static struct platform_driver reset_led_driver = {
+	.probe		= reset_led_probe,
+	.shutdown	= reset_led_shutdown,
+	.driver		= {
+		.name	= "leds-reset",
+		.of_match_table = of_reset_leds_match,
+	},
+};
+
+module_platform_driver(reset_led_driver);
+
+MODULE_AUTHOR("John Crispin <john@phrozen.org>");
+MODULE_DESCRIPTION("reset controller LED driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:leds-reset");
@@ -31,149 +31,6 @@ Signed-off-by: John Crispin <john@phrozen.org>
 comment "LED Triggers"
 source "drivers/leds/trigger/Kconfig"
 
--- /dev/null
-+++ b/drivers/leds/leds-reset.c
-@@ -0,0 +1,140 @@
-+/*
-+ * Copyright (C) 2018 John Crispin <john@phrozen.org>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ *
-+ */
-+#include <linux/err.h>
-+#include <linux/reset.h>
-+#include <linux/kernel.h>
-+#include <linux/leds.h>
-+#include <linux/module.h>
-+#include <linux/of.h>
-+#include <linux/platform_device.h>
-+#include <linux/reset.h>
-+
-+struct reset_led_data {
-+	struct led_classdev cdev;
-+	struct reset_control *rst;
-+};
-+
-+static inline struct reset_led_data *
-+			cdev_to_reset_led_data(struct led_classdev *led_cdev)
-+{
-+	return container_of(led_cdev, struct reset_led_data, cdev);
-+}
-+
-+static void reset_led_set(struct led_classdev *led_cdev,
-+	enum led_brightness value)
-+{
-+	struct reset_led_data *led_dat = cdev_to_reset_led_data(led_cdev);
-+
-+	if (value == LED_OFF)
-+		reset_control_assert(led_dat->rst);
-+	else
-+		reset_control_deassert(led_dat->rst);
-+}
-+
-+struct reset_leds_priv {
-+	int num_leds;
-+	struct reset_led_data leds[];
-+};
-+
-+static inline int sizeof_reset_leds_priv(int num_leds)
-+{
-+	return sizeof(struct reset_leds_priv) +
-+		(sizeof(struct reset_led_data) * num_leds);
-+}
-+
-+static struct reset_leds_priv *reset_leds_create(struct platform_device *pdev)
-+{
-+	struct device *dev = &pdev->dev;
-+	struct fwnode_handle *child;
-+	struct reset_leds_priv *priv;
-+	int count, ret;
-+
-+	count = device_get_child_node_count(dev);
-+	if (!count)
-+		return ERR_PTR(-ENODEV);
-+
-+	priv = devm_kzalloc(dev, sizeof_reset_leds_priv(count), GFP_KERNEL);
-+	if (!priv)
-+		return ERR_PTR(-ENOMEM);
-+
-+	device_for_each_child_node(dev, child) {
-+		struct reset_led_data *led = &priv->leds[priv->num_leds];
-+		struct device_node *np = to_of_node(child);
-+
-+		ret = fwnode_property_read_string(child, "label", &led->cdev.name);
-+		if (!led->cdev.name) {
-+			fwnode_handle_put(child);
-+			return ERR_PTR(-EINVAL);
-+		}
-+		led->rst = __of_reset_control_get(np, NULL, 0, RESET_CONTROL_EXCLUSIVE);
-+		if (IS_ERR(led->rst))
-+			return ERR_PTR(-EINVAL);
-+
-+		fwnode_property_read_string(child, "linux,default-trigger",
-+						&led->cdev.default_trigger);
-+
-+		led->cdev.brightness_set = reset_led_set;
-+		ret = devm_led_classdev_register(&pdev->dev, &led->cdev);
-+		if (ret < 0)
-+			return ERR_PTR(ret);
-+		led->cdev.dev->of_node = np;
-+		priv->num_leds++;
-+	}
-+
-+	return priv;
-+}
-+
-+static const struct of_device_id of_reset_leds_match[] = {
-+	{ .compatible = "reset-leds", },
-+	{},
-+};
-+
-+MODULE_DEVICE_TABLE(of, of_reset_leds_match);
-+
-+static int reset_led_probe(struct platform_device *pdev)
-+{
-+	struct reset_leds_priv *priv;
-+
-+	priv = reset_leds_create(pdev);
-+	if (IS_ERR(priv))
-+		return PTR_ERR(priv);
-+
-+	platform_set_drvdata(pdev, priv);
-+
-+	return 0;
-+}
-+
-+static void reset_led_shutdown(struct platform_device *pdev)
-+{
-+	struct reset_leds_priv *priv = platform_get_drvdata(pdev);
-+	int i;
-+
-+	for (i = 0; i < priv->num_leds; i++) {
-+		struct reset_led_data *led = &priv->leds[i];
-+
-+		if (!(led->cdev.flags & LED_RETAIN_AT_SHUTDOWN))
-+			reset_led_set(&led->cdev, LED_OFF);
-+	}
-+}
-+
-+static struct platform_driver reset_led_driver = {
-+	.probe		= reset_led_probe,
-+	.shutdown	= reset_led_shutdown,
-+	.driver		= {
-+		.name	= "leds-reset",
-+		.of_match_table = of_reset_leds_match,
-+	},
-+};
-+
-+module_platform_driver(reset_led_driver);
-+
-+MODULE_AUTHOR("John Crispin <john@phrozen.org>");
-+MODULE_DESCRIPTION("reset controller LED driver");
-+MODULE_LICENSE("GPL");
-+MODULE_ALIAS("platform:leds-reset");
 --- a/drivers/leds/Makefile
 +++ b/drivers/leds/Makefile
@@ -93,6 +93,7 @@ obj-$(CONFIG_LEDS_TURRIS_OMNIA)		+= leds
@@ -31,149 +31,6 @@ Signed-off-by: John Crispin <john@phrozen.org>
 comment "LED Triggers"
 source "drivers/leds/trigger/Kconfig"
 
--- /dev/null
-+++ b/drivers/leds/leds-reset.c
-@@ -0,0 +1,140 @@
-+/*
-+ * Copyright (C) 2018 John Crispin <john@phrozen.org>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ *
-+ */
-+#include <linux/err.h>
-+#include <linux/reset.h>
-+#include <linux/kernel.h>
-+#include <linux/leds.h>
-+#include <linux/module.h>
-+#include <linux/of.h>
-+#include <linux/platform_device.h>
-+#include <linux/reset.h>
-+
-+struct reset_led_data {
-+	struct led_classdev cdev;
-+	struct reset_control *rst;
-+};
-+
-+static inline struct reset_led_data *
-+			cdev_to_reset_led_data(struct led_classdev *led_cdev)
-+{
-+	return container_of(led_cdev, struct reset_led_data, cdev);
-+}
-+
-+static void reset_led_set(struct led_classdev *led_cdev,
-+	enum led_brightness value)
-+{
-+	struct reset_led_data *led_dat = cdev_to_reset_led_data(led_cdev);
-+
-+	if (value == LED_OFF)
-+		reset_control_assert(led_dat->rst);
-+	else
-+		reset_control_deassert(led_dat->rst);
-+}
-+
-+struct reset_leds_priv {
-+	int num_leds;
-+	struct reset_led_data leds[];
-+};
-+
-+static inline int sizeof_reset_leds_priv(int num_leds)
-+{
-+	return sizeof(struct reset_leds_priv) +
-+		(sizeof(struct reset_led_data) * num_leds);
-+}
-+
-+static struct reset_leds_priv *reset_leds_create(struct platform_device *pdev)
-+{
-+	struct device *dev = &pdev->dev;
-+	struct fwnode_handle *child;
-+	struct reset_leds_priv *priv;
-+	int count, ret;
-+
-+	count = device_get_child_node_count(dev);
-+	if (!count)
-+		return ERR_PTR(-ENODEV);
-+
-+	priv = devm_kzalloc(dev, sizeof_reset_leds_priv(count), GFP_KERNEL);
-+	if (!priv)
-+		return ERR_PTR(-ENOMEM);
-+
-+	device_for_each_child_node(dev, child) {
-+		struct reset_led_data *led = &priv->leds[priv->num_leds];
-+		struct device_node *np = to_of_node(child);
-+
-+		ret = fwnode_property_read_string(child, "label", &led->cdev.name);
-+		if (!led->cdev.name) {
-+			fwnode_handle_put(child);
-+			return ERR_PTR(-EINVAL);
-+		}
-+		led->rst = __of_reset_control_get(np, NULL, 0, RESET_CONTROL_EXCLUSIVE);
-+		if (IS_ERR(led->rst))
-+			return ERR_PTR(-EINVAL);
-+
-+		fwnode_property_read_string(child, "linux,default-trigger",
-+						&led->cdev.default_trigger);
-+
-+		led->cdev.brightness_set = reset_led_set;
-+		ret = devm_led_classdev_register(&pdev->dev, &led->cdev);
-+		if (ret < 0)
-+			return ERR_PTR(ret);
-+		led->cdev.dev->of_node = np;
-+		priv->num_leds++;
-+	}
-+
-+	return priv;
-+}
-+
-+static const struct of_device_id of_reset_leds_match[] = {
-+	{ .compatible = "reset-leds", },
-+	{},
-+};
-+
-+MODULE_DEVICE_TABLE(of, of_reset_leds_match);
-+
-+static int reset_led_probe(struct platform_device *pdev)
-+{
-+	struct reset_leds_priv *priv;
-+
-+	priv = reset_leds_create(pdev);
-+	if (IS_ERR(priv))
-+		return PTR_ERR(priv);
-+
-+	platform_set_drvdata(pdev, priv);
-+
-+	return 0;
-+}
-+
-+static void reset_led_shutdown(struct platform_device *pdev)
-+{
-+	struct reset_leds_priv *priv = platform_get_drvdata(pdev);
-+	int i;
-+
-+	for (i = 0; i < priv->num_leds; i++) {
-+		struct reset_led_data *led = &priv->leds[i];
-+
-+		if (!(led->cdev.flags & LED_RETAIN_AT_SHUTDOWN))
-+			reset_led_set(&led->cdev, LED_OFF);
-+	}
-+}
-+
-+static struct platform_driver reset_led_driver = {
-+	.probe		= reset_led_probe,
-+	.shutdown	= reset_led_shutdown,
-+	.driver		= {
-+		.name	= "leds-reset",
-+		.of_match_table = of_reset_leds_match,
-+	},
-+};
-+
-+module_platform_driver(reset_led_driver);
-+
-+MODULE_AUTHOR("John Crispin <john@phrozen.org>");
-+MODULE_DESCRIPTION("reset controller LED driver");
-+MODULE_LICENSE("GPL");
-+MODULE_ALIAS("platform:leds-reset");
 --- a/drivers/leds/Makefile
 +++ b/drivers/leds/Makefile
@@ -98,6 +98,7 @@ obj-$(CONFIG_LEDS_UPBOARD)		+= leds-upbo