mn10300: Remove the architecture

Remove the MN10300 arch as the hardware is defunct.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Masahiro Yamada <yamada.masahiro@socionext.com>
cc: linux-am33-list@redhat.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 0 insertions, 161 deletions

diff --git a/arch/mn10300/include/asm/atomic.h b/arch/mn10300/include/asm/atomic.h
deleted file mode 100644
index 36389efd45e8..000000000000
--- a/arch/mn10300/include/asm/atomic.h
+++ /dev/null
@@ -1,161 +0,0 @@
-/* MN10300 Atomic counter operations
- *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#ifndef _ASM_ATOMIC_H
-#define _ASM_ATOMIC_H
-
-#include <asm/irqflags.h>
-#include <asm/cmpxchg.h>
-#include <asm/barrier.h>
-
-#ifndef CONFIG_SMP
-#include <asm-generic/atomic.h>
-#else
-
-/*
- * Atomic operations that C can't guarantee us.  Useful for
- * resource counting etc..
- */
-
-#define ATOMIC_INIT(i)	{ (i) }
-
-#ifdef __KERNEL__
-
-/**
- * atomic_read - read atomic variable
- * @v: pointer of type atomic_t
- *
- * Atomically reads the value of @v.  Note that the guaranteed
- */
-#define atomic_read(v)	READ_ONCE((v)->counter)
-
-/**
- * atomic_set - set atomic variable
- * @v: pointer of type atomic_t
- * @i: required value
- *
- * Atomically sets the value of @v to @i.  Note that the guaranteed
- */
-#define atomic_set(v, i) WRITE_ONCE(((v)->counter), (i))
-
-#define ATOMIC_OP(op)							\
-static inline void atomic_##op(int i, atomic_t *v)			\
-{									\
-	int retval, status;						\
-									\
-	asm volatile(							\
-		"1:	mov	%4,(_AAR,%3)	\n"			\
-		"	mov	(_ADR,%3),%1	\n"			\
-		"	" #op "	%5,%1		\n"			\
-		"	mov	%1,(_ADR,%3)	\n"			\
-		"	mov	(_ADR,%3),%0	\n"	/* flush */	\
-		"	mov	(_ASR,%3),%0	\n"			\
-		"	or	%0,%0		\n"			\
-		"	bne	1b		\n"			\
-		: "=&r"(status), "=&r"(retval), "=m"(v->counter)	\
-		: "a"(ATOMIC_OPS_BASE_ADDR), "r"(&v->counter), "r"(i)	\
-		: "memory", "cc");					\
-}
-
-#define ATOMIC_OP_RETURN(op)						\
-static inline int atomic_##op##_return(int i, atomic_t *v)		\
-{									\
-	int retval, status;						\
-									\
-	asm volatile(							\
-		"1:	mov	%4,(_AAR,%3)	\n"			\
-		"	mov	(_ADR,%3),%1	\n"			\
-		"	" #op "	%5,%1		\n"			\
-		"	mov	%1,(_ADR,%3)	\n"			\
-		"	mov	(_ADR,%3),%0	\n"	/* flush */	\
-		"	mov	(_ASR,%3),%0	\n"			\
-		"	or	%0,%0		\n"			\
-		"	bne	1b		\n"			\
-		: "=&r"(status), "=&r"(retval), "=m"(v->counter)	\
-		: "a"(ATOMIC_OPS_BASE_ADDR), "r"(&v->counter), "r"(i)	\
-		: "memory", "cc");					\
-	return retval;							\
-}
-
-#define ATOMIC_FETCH_OP(op)						\
-static inline int atomic_fetch_##op(int i, atomic_t *v)			\
-{									\
-	int retval, status;						\
-									\
-	asm volatile(							\
-		"1:	mov	%4,(_AAR,%3)	\n"			\
-		"	mov	(_ADR,%3),%1	\n"			\
-		"	mov	%1,%0		\n"			\
-		"	" #op "	%5,%0		\n"			\
-		"	mov	%0,(_ADR,%3)	\n"			\
-		"	mov	(_ADR,%3),%0	\n"	/* flush */	\
-		"	mov	(_ASR,%3),%0	\n"			\
-		"	or	%0,%0		\n"			\
-		"	bne	1b		\n"			\
-		: "=&r"(status), "=&r"(retval), "=m"(v->counter)	\
-		: "a"(ATOMIC_OPS_BASE_ADDR), "r"(&v->counter), "r"(i)	\
-		: "memory", "cc");					\
-	return retval;							\
-}
-
-#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op) ATOMIC_FETCH_OP(op)
-
-ATOMIC_OPS(add)
-ATOMIC_OPS(sub)
-
-#undef ATOMIC_OPS
-#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_FETCH_OP(op)
-
-ATOMIC_OPS(and)
-ATOMIC_OPS(or)
-ATOMIC_OPS(xor)
-
-#undef ATOMIC_OPS
-#undef ATOMIC_FETCH_OP
-#undef ATOMIC_OP_RETURN
-#undef ATOMIC_OP
-
-static inline int atomic_add_negative(int i, atomic_t *v)
-{
-	return atomic_add_return(i, v) < 0;
-}
-
-static inline void atomic_inc(atomic_t *v)
-{
-	atomic_add_return(1, v);
-}
-
-static inline void atomic_dec(atomic_t *v)
-{
-	atomic_sub_return(1, v);
-}
-
-#define atomic_dec_return(v)		atomic_sub_return(1, (v))
-#define atomic_inc_return(v)		atomic_add_return(1, (v))
-
-#define atomic_sub_and_test(i, v)	(atomic_sub_return((i), (v)) == 0)
-#define atomic_dec_and_test(v)		(atomic_sub_return(1, (v)) == 0)
-#define atomic_inc_and_test(v)		(atomic_add_return(1, (v)) == 0)
-
-#define __atomic_add_unless(v, a, u)				\
-({								\
-	int c, old;						\
-	c = atomic_read(v);					\
-	while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \
-		c = old;					\
-	c;							\
-})
-
-#define atomic_xchg(ptr, v)		(xchg(&(ptr)->counter, (v)))
-#define atomic_cmpxchg(v, old, new)	(cmpxchg(&((v)->counter), (old), (new)))
-
-#endif /* __KERNEL__ */
-#endif /* CONFIG_SMP */
-#endif /* _ASM_ATOMIC_H */