modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/gpio/gpio-janz-ttl.c
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@@ -1,12 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Janz MODULbus VMOD-TTL GPIO Driver
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  *
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  * Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu>
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License as published by the
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- * Free Software Foundation; either version 2 of the License, or (at your
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- * option) any later version.
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  */
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 #include <linux/kernel.h>
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@@ -144,19 +140,17 @@
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 static int ttl_probe(struct platform_device *pdev)
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 {
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 	struct janz_platform_data *pdata;
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-	struct device *dev = &pdev->dev;
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 	struct ttl_module *mod;
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 	struct gpio_chip *gpio;
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-	struct resource *res;
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 	int ret;
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 	pdata = dev_get_platdata(&pdev->dev);
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 	if (!pdata) {
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-		dev_err(dev, "no platform data\n");
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+		dev_err(&pdev->dev, "no platform data\n");
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 		return -ENXIO;
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 	}
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-	mod = devm_kzalloc(dev, sizeof(*mod), GFP_KERNEL);
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+	mod = devm_kzalloc(&pdev->dev, sizeof(*mod), GFP_KERNEL);
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 	if (!mod)
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 		return -ENOMEM;
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@@ -164,8 +158,7 @@
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 	spin_lock_init(&mod->lock);
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 	/* get access to the MODULbus registers for this module */
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-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	mod->regs = devm_ioremap_resource(dev, res);
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+	mod->regs = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(mod->regs))
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 		return PTR_ERR(mod->regs);
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@@ -183,9 +176,9 @@
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 	gpio->base = -1;
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 	gpio->ngpio = 20;
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-	ret = devm_gpiochip_add_data(dev, gpio, NULL);
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+	ret = devm_gpiochip_add_data(&pdev->dev, gpio, NULL);
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 	if (ret) {
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-		dev_err(dev, "unable to add GPIO chip\n");
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+		dev_err(&pdev->dev, "unable to add GPIO chip\n");
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 		return ret;
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 	}
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