add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/leds/leds-syscon.c
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@@ -1,23 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Generic Syscon LEDs Driver
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  *
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  * Copyright (c) 2014, Linaro Limited
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  * Author: Linus Walleij <linus.walleij@linaro.org>
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License as
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- * published by the Free Software Foundation; either version 2 of
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- * the License, or (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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- * MA 02111-1307 USA
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  */
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 #include <linux/io.h>
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 #include <linux/init.h>
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@@ -69,8 +55,9 @@
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 static int syscon_led_probe(struct platform_device *pdev)
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 {
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+	struct led_init_data init_data = {};
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 	struct device *dev = &pdev->dev;
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-	struct device_node *np = dev->of_node;
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+	struct device_node *np = dev_of_node(dev);
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 	struct device *parent;
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 	struct regmap *map;
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 	struct syscon_led *sled;
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@@ -82,7 +69,7 @@
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 		dev_err(dev, "no parent for syscon LED\n");
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 		return -ENODEV;
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 	}
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-	map = syscon_node_to_regmap(parent->of_node);
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+	map = syscon_node_to_regmap(dev_of_node(parent));
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 	if (IS_ERR(map)) {
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 		dev_err(dev, "no regmap for syscon LED parent\n");
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 		return PTR_ERR(map);
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@@ -98,10 +85,6 @@
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 		return -EINVAL;
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 	if (of_property_read_u32(np, "mask", &sled->mask))
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 		return -EINVAL;
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-	sled->cdev.name =
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-		of_get_property(np, "label", NULL) ? : np->name;
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-	sled->cdev.default_trigger =
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-		of_get_property(np, "linux,default-trigger", NULL);
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 	state = of_get_property(np, "default-state", NULL);
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 	if (state) {
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@@ -129,7 +112,9 @@
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 	}
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 	sled->cdev.brightness_set = syscon_led_set;
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-	ret = led_classdev_register(dev, &sled->cdev);
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+	init_data.fwnode = of_fwnode_handle(np);
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+
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+	ret = devm_led_classdev_register_ext(dev, &sled->cdev, &init_data);
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 	if (ret < 0)
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 		return ret;
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