add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/c6x/include/asm/checksum.h
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@@ -1,10 +1,7 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  *  Copyright (C) 2011 Texas Instruments Incorporated
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  *  Author: Mark Salter <msalter@redhat.com>
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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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 #ifndef _ASM_C6X_CHECKSUM_H
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 #define _ASM_C6X_CHECKSUM_H
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@@ -29,6 +26,9 @@
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 }
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 #define csum_tcpudp_nofold csum_tcpudp_nofold
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+#define _HAVE_ARCH_CSUM_AND_COPY
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+extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len);
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+
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 #include <asm-generic/checksum.h>
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 #endif /* _ASM_C6X_CHECKSUM_H */