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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/watchdog/sc520_wdt.c
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@@ -1,13 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *	AMD Elan SC520 processor Watchdog Timer driver
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  *
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  *	Based on acquirewdt.c by Alan Cox,
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  *	     and sbc60xxwdt.c by Jakob Oestergaard <jakob@unthought.net>
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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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  *	The authors do NOT admit liability nor provide warranty for
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  *	any of this software. This material is provided "AS-IS" in
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@@ -258,7 +254,7 @@
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 	/* Good, fire up the show */
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 	wdt_startup();
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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 fop_close(struct inode *inode, struct file *file)
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@@ -324,8 +320,8 @@
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 			return -EINVAL;
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 		wdt_keepalive();
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-		/* Fall through */
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 	}
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+		fallthrough;
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 	case WDIOC_GETTIMEOUT:
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 		return put_user(timeout, p);
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 	default:
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@@ -340,6 +336,7 @@
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 	.open		= fop_open,
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 	.release	= fop_close,
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 	.unlocked_ioctl	= fop_ioctl,
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+	.compat_ioctl	= compat_ptr_ioctl,
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 };
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 static struct miscdevice wdt_miscdev = {