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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
- */
- #ifndef _ASM_ARC_ATOMIC_H
- #define _ASM_ARC_ATOMIC_H
- #ifndef __ASSEMBLY__
- #include <linux/types.h>
- #include <linux/compiler.h>
- #include <asm/cmpxchg.h>
- #include <asm/barrier.h>
- #include <asm/smp.h>
- #define arch_atomic_read(v) READ_ONCE((v)->counter)
- #ifdef CONFIG_ARC_HAS_LLSC
- #include <asm/atomic-llsc.h>
- #else
- #include <asm/atomic-spinlock.h>
- #endif
- /*
- * 64-bit atomics
- */
- #ifdef CONFIG_GENERIC_ATOMIC64
- #include <asm-generic/atomic64.h>
- #else
- #include <asm/atomic64-arcv2.h>
- #endif
- #endif /* !__ASSEMBLY__ */
- #endif
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