disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/include/linux/timeriomem-rng.h
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@@ -1,12 +1,12 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * linux/include/linux/timeriomem-rng.h
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  *
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  * Copyright (c) 2009 Alexander Clouter <alex@digriz.org.uk>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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+
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+#ifndef _LINUX_TIMERIOMEM_RNG_H
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+#define _LINUX_TIMERIOMEM_RNG_H
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 struct timeriomem_rng_data {
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 	void __iomem		*address;
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@@ -17,3 +17,5 @@
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 	/* bits of entropy per 1024 bits read */
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 	unsigned int		quality;
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 };
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+
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+#endif /* _LINUX_TIMERIOMEM_RNG_H */