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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