1 files changed, 0 insertions, 132 deletions
diff --git a/arch/tile/include/asm/cmpxchg.h b/arch/tile/include/asm/cmpxchg.h
deleted file mode 100644
index 25d5899497be..000000000000
--- a/arch/tile/include/asm/cmpxchg.h
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * cmpxchg.h -- forked from asm/atomic.h with this copyright:
- *
- * Copyright 2010 Tilera Corporation. All Rights Reserved.
- *
- *   This program is free software; you can redistribute it and/or
- *   modify it under the terms of the GNU General Public License
- *   as published by the Free Software Foundation, version 2.
- *
- *   This program is distributed in the hope that it will be useful, but
- *   WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- *   NON INFRINGEMENT.  See the GNU General Public License for
- *   more details.
- *
- */
-
-#ifndef _ASM_TILE_CMPXCHG_H
-#define _ASM_TILE_CMPXCHG_H
-
-#ifndef __ASSEMBLY__
-
-#include <asm/barrier.h>
-
-/* Nonexistent functions intended to cause compile errors. */
-extern void __xchg_called_with_bad_pointer(void)
-	__compiletime_error("Bad argument size for xchg");
-extern void __cmpxchg_called_with_bad_pointer(void)
-	__compiletime_error("Bad argument size for cmpxchg");
-
-#ifndef __tilegx__
-
-/* Note the _atomic_xxx() routines include a final mb(). */
-int _atomic_xchg(int *ptr, int n);
-int _atomic_xchg_add(int *v, int i);
-int _atomic_xchg_add_unless(int *v, int a, int u);
-int _atomic_cmpxchg(int *ptr, int o, int n);
-long long _atomic64_xchg(long long *v, long long n);
-long long _atomic64_xchg_add(long long *v, long long i);
-long long _atomic64_xchg_add_unless(long long *v, long long a, long long u);
-long long _atomic64_cmpxchg(long long *v, long long o, long long n);
-
-#define xchg(ptr, n)							\
-	({								\
-		if (sizeof(*(ptr)) != 4)				\
-			__xchg_called_with_bad_pointer();		\
-		smp_mb();						\
-		(typeof(*(ptr)))_atomic_xchg((int *)(ptr), (int)(n));	\
-	})
-
-#define cmpxchg(ptr, o, n)						\
-	({								\
-		if (sizeof(*(ptr)) != 4)				\
-			__cmpxchg_called_with_bad_pointer();		\
-		smp_mb();						\
-		(typeof(*(ptr)))_atomic_cmpxchg((int *)ptr, (int)o,	\
-						(int)n);		\
-	})
-
-#define xchg64(ptr, n)							\
-	({								\
-		if (sizeof(*(ptr)) != 8)				\
-			__xchg_called_with_bad_pointer();		\
-		smp_mb();						\
-		(typeof(*(ptr)))_atomic64_xchg((long long *)(ptr),	\
-						(long long)(n));	\
-	})
-
-#define cmpxchg64(ptr, o, n)						\
-	({								\
-		if (sizeof(*(ptr)) != 8)				\
-			__cmpxchg_called_with_bad_pointer();		\
-		smp_mb();						\
-		(typeof(*(ptr)))_atomic64_cmpxchg((long long *)ptr,	\
-					(long long)o, (long long)n);	\
-	})
-
-#else
-
-#define xchg(ptr, n)							\
-	({								\
-		typeof(*(ptr)) __x;					\
-		smp_mb();						\
-		switch (sizeof(*(ptr))) {				\
-		case 4:							\
-			__x = (typeof(__x))(unsigned long)		\
-				__insn_exch4((ptr),			\
-					(u32)(unsigned long)(n));	\
-			break;						\
-		case 8:							\
-			__x = (typeof(__x))				\
-				__insn_exch((ptr), (unsigned long)(n));	\
-			break;						\
-		default:						\
-			__xchg_called_with_bad_pointer();		\
-			break;						\
-		}							\
-		smp_mb();						\
-		__x;							\
-	})
-
-#define cmpxchg(ptr, o, n)						\
-	({								\
-		typeof(*(ptr)) __x;					\
-		__insn_mtspr(SPR_CMPEXCH_VALUE, (unsigned long)(o));	\
-		smp_mb();						\
-		switch (sizeof(*(ptr))) {				\
-		case 4:							\
-			__x = (typeof(__x))(unsigned long)		\
-				__insn_cmpexch4((ptr),			\
-					(u32)(unsigned long)(n));	\
-			break;						\
-		case 8:							\
-			__x = (typeof(__x))__insn_cmpexch((ptr),	\
-						(long long)(n));	\
-			break;						\
-		default:						\
-			__cmpxchg_called_with_bad_pointer();		\
-			break;						\
-		}							\
-		smp_mb();						\
-		__x;							\
-	})
-
-#define xchg64 xchg
-#define cmpxchg64 cmpxchg
-
-#endif
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* _ASM_TILE_CMPXCHG_H */