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hc

2024-05-14 bedbef8ad3e75a304af6361af235302bcc61d06b

 kernel/drivers/watchdog/rc32434_wdt.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  IDT Interprise 79RC32434 watchdog driver
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  *
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@@ -9,12 +10,6 @@
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  *
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  *  (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>,
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  *					All Rights Reserved.
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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
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- *  as published by the Free Software Foundation; either version
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- *  2 of the License, or (at your option) any later version.
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- *
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  */
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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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@@ -31,7 +26,7 @@
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 #include <linux/platform_device.h>	/* For platform_driver framework */
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 #include <linux/spinlock.h>		/* For spin_lock/spin_unlock/... */
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 #include <linux/uaccess.h>		/* For copy_to_user/put_user/... */
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-#include <linux/io.h>			/* For devm_ioremap_nocache */
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+#include <linux/io.h>			/* For devm_ioremap */
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 #include <asm/mach-rc32434/integ.h>	/* For the Watchdog registers */
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@@ -150,7 +145,7 @@
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 	rc32434_wdt_start();
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 	rc32434_wdt_ping();
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-	return nonseekable_open(inode, file);
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+	return stream_open(inode, file);
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 }
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 static int rc32434_wdt_release(struct inode *inode, struct file *file)
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@@ -235,7 +230,7 @@
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 			return -EFAULT;
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 		if (rc32434_wdt_set(new_timeout))
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 			return -EINVAL;
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-		/* Fall through */
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+		fallthrough;
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 	case WDIOC_GETTIMEOUT:
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 		return copy_to_user(argp, &timeout, sizeof(int)) ? -EFAULT : 0;
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 	default:
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@@ -250,6 +245,7 @@
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 	.llseek		= no_llseek,
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 	.write		= rc32434_wdt_write,
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 	.unlocked_ioctl	= rc32434_wdt_ioctl,
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+	.compat_ioctl	= compat_ptr_ioctl,
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 	.open		= rc32434_wdt_open,
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 	.release	= rc32434_wdt_release,
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 };
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@@ -271,7 +267,7 @@
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 		return -ENODEV;
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 	}
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-	wdt_reg = devm_ioremap_nocache(&pdev->dev, r->start, resource_size(r));
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+	wdt_reg = devm_ioremap(&pdev->dev, r->start, resource_size(r));
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 	if (!wdt_reg) {
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 		pr_err("failed to remap I/O resources\n");
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 		return -ENXIO;