diff --git a/arch/arm/mach-tegra/tegra186/cache.S b/arch/arm/mach-tegra/tegra186/cache.S
new file mode 100644
index 0000000..d876cd9
--- /dev/null
+++ b/arch/arm/mach-tegra/tegra186/cache.S
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2016, NVIDIA CORPORATION.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <config.h>
+#include <linux/linkage.h>
+
+#define SMC_SIP_INVOKE_MCE		0x82FFFF00
+#define MCE_SMC_ROC_FLUSH_CACHE		(SMC_SIP_INVOKE_MCE | 11)
+
+ENTRY(__asm_flush_l3_cache)
+	mov	x0, #(MCE_SMC_ROC_FLUSH_CACHE & 0xffff)
+	movk	x0, #(MCE_SMC_ROC_FLUSH_CACHE >> 16), lsl #16
+	mov	x1, #0
+	mov	x2, #0
+	mov	x3, #0
+	mov	x4, #0
+	mov	x5, #0
+	mov	x6, #0
+	smc	#0
+	mov	x0, #0
+	ret
+ENDPROC(__asm_flush_l3_cache)
diff --git a/arch/arm/mach-tegra/tegra186/cache.c b/arch/arm/mach-tegra/tegra186/cache.c
deleted file mode 100644
index adaed89..0000000
--- a/arch/arm/mach-tegra/tegra186/cache.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (c) 2016, NVIDIA CORPORATION.
- *
- * SPDX-License-Identifier: GPL-2.0
- */
-
-#include <common.h>
-#include <asm/system.h>
-
-#define SMC_SIP_INVOKE_MCE	0x82FFFF00
-#define MCE_SMC_ROC_FLUSH_CACHE	11
-
-int __asm_flush_l3_cache(void)
-{
-	struct pt_regs regs = {0};
-
-	isb();
-
-	regs.regs[0] = SMC_SIP_INVOKE_MCE | MCE_SMC_ROC_FLUSH_CACHE;
-	smc_call(&regs);
-
-	return 0;
-}