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-rw-r--r--arch/arm/mach-exynos/exynos-smc.S20
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diff --git a/arch/arm/mach-exynos/exynos-smc.S b/arch/arm/mach-exynos/exynos-smc.S
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+++ b/arch/arm/mach-exynos/exynos-smc.S
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+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2012 Samsung Electronics.
+ *
+ * Copied from omap-smc.S Copyright (C) 2010 Texas Instruments, Inc.
+ */
+
+#include <linux/linkage.h>
+
+/*
+ * Function signature: void exynos_smc(u32 cmd, u32 arg1, u32 arg2, u32 arg3)
+ */
+ .arch armv7-a
+ .arch_extension sec
+ENTRY(exynos_smc)
+ stmfd sp!, {r4-r11, lr}
+ dsb
+ smc #0
+ ldmfd sp!, {r4-r11, pc}
+ENDPROC(exynos_smc)