From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:27:49 +0200
Subject: Adding upstream version 6.6.15.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 arch/arc/include/asm/atomic.h | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 arch/arc/include/asm/atomic.h

(limited to 'arch/arc/include/asm/atomic.h')

diff --git a/arch/arc/include/asm/atomic.h b/arch/arc/include/asm/atomic.h
new file mode 100644
index 0000000000..592d7fffc2
--- /dev/null
+++ b/arch/arc/include/asm/atomic.h
@@ -0,0 +1,36 @@
+/* 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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