1 files changed, 0 insertions, 157 deletions
diff --git a/arch/metag/include/asm/atomic_lock1.h b/arch/metag/include/asm/atomic_lock1.h
deleted file mode 100644
index 2ce8fa3..0000000
--- a/arch/metag/include/asm/atomic_lock1.h
+++ /dev/null
@@ -1,157 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __ASM_METAG_ATOMIC_LOCK1_H
-#define __ASM_METAG_ATOMIC_LOCK1_H
-
-#define ATOMIC_INIT(i)	{ (i) }
-
-#include <linux/compiler.h>
-
-#include <asm/barrier.h>
-#include <asm/global_lock.h>
-
-static inline int atomic_read(const atomic_t *v)
-{
-	return READ_ONCE((v)->counter);
-}
-
-/*
- * atomic_set needs to be take the lock to protect atomic_add_unless from a
- * possible race, as it reads the counter twice:
- *
- *  CPU0                               CPU1
- *  atomic_add_unless(1, 0)
- *    ret = v->counter (non-zero)
- *    if (ret != u)                    v->counter = 0
- *      v->counter += 1 (counter set to 1)
- *
- * Making atomic_set take the lock ensures that ordering and logical
- * consistency is preserved.
- */
-static inline int atomic_set(atomic_t *v, int i)
-{
-	unsigned long flags;
-
-	__global_lock1(flags);
-	fence();
-	v->counter = i;
-	__global_unlock1(flags);
-	return i;
-}
-
-#define atomic_set_release(v, i) atomic_set((v), (i))
-
-#define ATOMIC_OP(op, c_op)						\
-static inline void atomic_##op(int i, atomic_t *v)			\
-{									\
-	unsigned long flags;						\
-									\
-	__global_lock1(flags);						\
-	fence();							\
-	v->counter c_op i;						\
-	__global_unlock1(flags);					\
-}									\
-
-#define ATOMIC_OP_RETURN(op, c_op)					\
-static inline int atomic_##op##_return(int i, atomic_t *v)		\
-{									\
-	unsigned long result;						\
-	unsigned long flags;						\
-									\
-	__global_lock1(flags);						\
-	result = v->counter;						\
-	result c_op i;							\
-	fence();							\
-	v->counter = result;						\
-	__global_unlock1(flags);					\
-									\
-	return result;							\
-}
-
-#define ATOMIC_FETCH_OP(op, c_op)					\
-static inline int atomic_fetch_##op(int i, atomic_t *v)			\
-{									\
-	unsigned long result;						\
-	unsigned long flags;						\
-									\
-	__global_lock1(flags);						\
-	result = v->counter;						\
-	fence();							\
-	v->counter c_op i;						\
-	__global_unlock1(flags);					\
-									\
-	return result;							\
-}
-
-#define ATOMIC_OPS(op, c_op)						\
-	ATOMIC_OP(op, c_op)						\
-	ATOMIC_OP_RETURN(op, c_op)					\
-	ATOMIC_FETCH_OP(op, c_op)
-
-ATOMIC_OPS(add, +=)
-ATOMIC_OPS(sub, -=)
-
-#undef ATOMIC_OPS
-#define ATOMIC_OPS(op, c_op)						\
-	ATOMIC_OP(op, c_op)						\
-	ATOMIC_FETCH_OP(op, c_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_cmpxchg(atomic_t *v, int old, int new)
-{
-	int ret;
-	unsigned long flags;
-
-	__global_lock1(flags);
-	ret = v->counter;
-	if (ret == old) {
-		fence();
-		v->counter = new;
-	}
-	__global_unlock1(flags);
-
-	return ret;
-}
-
-#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
-
-static inline int __atomic_add_unless(atomic_t *v, int a, int u)
-{
-	int ret;
-	unsigned long flags;
-
-	__global_lock1(flags);
-	ret = v->counter;
-	if (ret != u) {
-		fence();
-		v->counter += a;
-	}
-	__global_unlock1(flags);
-
-	return ret;
-}
-
-static inline int atomic_sub_if_positive(int i, atomic_t *v)
-{
-	int ret;
-	unsigned long flags;
-
-	__global_lock1(flags);
-	ret = v->counter - 1;
-	if (ret >= 0) {
-		fence();
-		v->counter = ret;
-	}
-	__global_unlock1(flags);
-
-	return ret;
-}
-
-#endif /* __ASM_METAG_ATOMIC_LOCK1_H */