1 files changed, 0 insertions, 58 deletions
diff --git a/arch/unicore32/include/asm/cmpxchg.h b/arch/unicore32/include/asm/cmpxchg.h
deleted file mode 100644
index 87f960a2e4f0..000000000000
--- a/arch/unicore32/include/asm/cmpxchg.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Atomics xchg/cmpxchg for PKUnity SoC and UniCore ISA
- *
- * Copyright (C) 2001-2012 GUAN Xue-tao
- */
-#ifndef __UNICORE_CMPXCHG_H__
-#define __UNICORE_CMPXCHG_H__
-
-/*
- * Generate a link failure on undefined symbol if the pointer points to a value
- * of unsupported size.
- */
-extern void __xchg_bad_pointer(void);
-
-static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
-		int size)
-{
-	unsigned long ret;
-
-	switch (size) {
-	case 1:
-		asm volatile("swapb	%0, %1, [%2]"
-			: "=&r" (ret)
-			: "r" (x), "r" (ptr)
-			: "memory", "cc");
-		break;
-	case 4:
-		asm volatile("swapw	%0, %1, [%2]"
-			: "=&r" (ret)
-			: "r" (x), "r" (ptr)
-			: "memory", "cc");
-		break;
-	default:
-		__xchg_bad_pointer();
-	}
-
-	return ret;
-}
-
-#define xchg(ptr, x) \
-	((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
-
-#include <asm-generic/cmpxchg-local.h>
-
-/*
- * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
- * them available.
- */
-#define cmpxchg_local(ptr, o, n)					\
-		((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr),	\
-		(unsigned long)(o), (unsigned long)(n), sizeof(*(ptr))))
-#define cmpxchg64_local(ptr, o, n)					\
-		__cmpxchg64_local_generic((ptr), (o), (n))
-
-#include <asm-generic/cmpxchg.h>
-
-#endif /* __UNICORE_CMPXCHG_H__ */