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Diffstat (limited to 'include/asm-cris/arch-v32/checksum.h')
-rw-r--r--include/asm-cris/arch-v32/checksum.h29
1 files changed, 0 insertions, 29 deletions
diff --git a/include/asm-cris/arch-v32/checksum.h b/include/asm-cris/arch-v32/checksum.h
deleted file mode 100644
index e5dcfce6e0d..00000000000
--- a/include/asm-cris/arch-v32/checksum.h
+++ /dev/null
@@ -1,29 +0,0 @@
-#ifndef _ASM_CRIS_ARCH_CHECKSUM_H
-#define _ASM_CRIS_ARCH_CHECKSUM_H
-
-/*
- * Check values used in TCP/UDP headers.
- *
- * The gain of doing this in assembler instead of C, is that C doesn't
- * generate carry-additions for the 32-bit components of the
- * checksum. Which means it would be necessary to split all those into
- * 16-bit components and then add.
- */
-static inline __wsum
-csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
- unsigned short len, unsigned short proto, __wsum sum)
-{
- __wsum res;
-
- __asm__ __volatile__ ("add.d %2, %0\n\t"
- "addc %3, %0\n\t"
- "addc %4, %0\n\t"
- "addc 0, %0\n\t"
- : "=r" (res)
- : "0" (sum), "r" (daddr), "r" (saddr), \
- "r" ((len + proto) << 8));
-
- return res;
-}
-
-#endif /* _ASM_CRIS_ARCH_CHECKSUM_H */