add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/arch/sparc/include/asm/checksum_64.h
..
..
@@ -38,42 +38,9 @@
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  * here even more important to align src and dst on a 32-bit (or even
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  * better 64-bit) boundary
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  */
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-__wsum csum_partial_copy_nocheck(const void *src, void *dst,
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-				 int len, __wsum sum);
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-
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-long __csum_partial_copy_from_user(const void __user *src,
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-				   void *dst, int len,
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-				   __wsum sum);
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-
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-static inline __wsum
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-csum_partial_copy_from_user(const void __user *src,
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-			    void *dst, int len,
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-			    __wsum sum, int *err)
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-{
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-	long ret = __csum_partial_copy_from_user(src, dst, len, sum);
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-	if (ret < 0)
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-		*err = -EFAULT;
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-	return (__force __wsum) ret;
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-}
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-
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-/*
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- *	Copy and checksum to user
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- */
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-#define HAVE_CSUM_COPY_USER
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-long __csum_partial_copy_to_user(const void *src,
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-				 void __user *dst, int len,
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-				 __wsum sum);
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-
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-static inline __wsum
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-csum_and_copy_to_user(const void *src,
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-		      void __user *dst, int len,
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-		      __wsum sum, int *err)
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-{
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-	long ret = __csum_partial_copy_to_user(src, dst, len, sum);
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-	if (ret < 0)
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-		*err = -EFAULT;
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-	return (__force __wsum) ret;
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-}
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+__wsum csum_partial_copy_nocheck(const void *src, void *dst, int len);
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+__wsum csum_and_copy_from_user(const void __user *src, void *dst, int len);
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+__wsum csum_and_copy_to_user(const void *src, void __user *dst, int len);
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 /* ihl is always 5 or greater, almost always is 5, and iph is word aligned
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  * the majority of the time.