1 files changed, 0 insertions, 124 deletions
diff --git a/include/asm-mips/cmpxchg.h b/include/asm-mips/cmpxchg.h
deleted file mode 100644
index 4a812c3ceb9..00000000000
--- a/include/asm-mips/cmpxchg.h
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2003, 06, 07 by Ralf Baechle (ralf@linux-mips.org)
- */
-#ifndef __ASM_CMPXCHG_H
-#define __ASM_CMPXCHG_H
-
-#include <linux/irqflags.h>
-
-#define __HAVE_ARCH_CMPXCHG 1
-
-#define __cmpxchg_asm(ld, st, m, old, new)				\
-({									\
-	__typeof(*(m)) __ret;						\
-									\
-	if (cpu_has_llsc && R10000_LLSC_WAR) {				\
-		__asm__ __volatile__(					\
-		"	.set	push				\n"	\
-		"	.set	noat				\n"	\
-		"	.set	mips3				\n"	\
-		"1:	" ld "	%0, %2		# __cmpxchg_asm	\n"	\
-		"	bne	%0, %z3, 2f			\n"	\
-		"	.set	mips0				\n"	\
-		"	move	$1, %z4				\n"	\
-		"	.set	mips3				\n"	\
-		"	" st "	$1, %1				\n"	\
-		"	beqzl	$1, 1b				\n"	\
-		"2:						\n"	\
-		"	.set	pop				\n"	\
-		: "=&r" (__ret), "=R" (*m)				\
-		: "R" (*m), "Jr" (old), "Jr" (new)			\
-		: "memory");						\
-	} else if (cpu_has_llsc) {					\
-		__asm__ __volatile__(					\
-		"	.set	push				\n"	\
-		"	.set	noat				\n"	\
-		"	.set	mips3				\n"	\
-		"1:	" ld "	%0, %2		# __cmpxchg_asm	\n"	\
-		"	bne	%0, %z3, 2f			\n"	\
-		"	.set	mips0				\n"	\
-		"	move	$1, %z4				\n"	\
-		"	.set	mips3				\n"	\
-		"	" st "	$1, %1				\n"	\
-		"	beqz	$1, 3f				\n"	\
-		"2:						\n"	\
-		"	.subsection 2				\n"	\
-		"3:	b	1b				\n"	\
-		"	.previous				\n"	\
-		"	.set	pop				\n"	\
-		: "=&r" (__ret), "=R" (*m)				\
-		: "R" (*m), "Jr" (old), "Jr" (new)			\
-		: "memory");						\
-	} else {							\
-		unsigned long __flags;					\
-									\
-		raw_local_irq_save(__flags);				\
-		__ret = *m;						\
-		if (__ret == old)					\
-			*m = new;					\
-		raw_local_irq_restore(__flags);				\
-	}								\
-									\
-	__ret;								\
-})
-
-/*
- * This function doesn't exist, so you'll get a linker error
- * if something tries to do an invalid cmpxchg().
- */
-extern void __cmpxchg_called_with_bad_pointer(void);
-
-#define __cmpxchg(ptr, old, new, barrier)				\
-({									\
-	__typeof__(ptr) __ptr = (ptr);					\
-	__typeof__(*(ptr)) __old = (old);				\
-	__typeof__(*(ptr)) __new = (new);				\
-	__typeof__(*(ptr)) __res = 0;					\
-									\
-	barrier;							\
-									\
-	switch (sizeof(*(__ptr))) {					\
-	case 4:								\
-		__res = __cmpxchg_asm("ll", "sc", __ptr, __old, __new);	\
-		break;							\
-	case 8:								\
-		if (sizeof(long) == 8) {				\
-			__res = __cmpxchg_asm("lld", "scd", __ptr,	\
-					   __old, __new);		\
-			break;						\
-		}							\
-	default:							\
-		__cmpxchg_called_with_bad_pointer();			\
-		break;							\
-	}								\
-									\
-	barrier;							\
-									\
-	__res;								\
-})
-
-#define cmpxchg(ptr, old, new)		__cmpxchg(ptr, old, new, smp_llsc_mb())
-#define cmpxchg_local(ptr, old, new)	__cmpxchg(ptr, old, new, )
-
-#define cmpxchg64(ptr, o, n)						\
-  ({									\
-	BUILD_BUG_ON(sizeof(*(ptr)) != 8);				\
-	cmpxchg((ptr), (o), (n));					\
-  })
-
-#ifdef CONFIG_64BIT
-#define cmpxchg64_local(ptr, o, n)					\
-  ({									\
-	BUILD_BUG_ON(sizeof(*(ptr)) != 8);				\
-	cmpxchg_local((ptr), (o), (n));					\
-  })
-#else
-#include <asm-generic/cmpxchg-local.h>
-#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
-#endif
-
-#endif /* __ASM_CMPXCHG_H */