1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
6 #ifndef _ASM_ARC_ATOMIC_H
7 #define _ASM_ARC_ATOMIC_H
11 #include <linux/types.h>
12 #include <linux/compiler.h>
13 #include <asm/cmpxchg.h>
14 #include <asm/barrier.h>
17 #define arch_atomic_read(v) READ_ONCE((v)->counter)
19 #ifdef CONFIG_ARC_HAS_LLSC
20 #include <asm/atomic-llsc.h>
22 #include <asm/atomic-spinlock.h>
28 #ifdef CONFIG_GENERIC_ATOMIC64
29 #include <asm-generic/atomic64.h>
31 #include <asm/atomic64-arcv2.h>
34 #endif /* !__ASSEMBLY__ */