diff --git a/arch/arm/include/asm/arch-sunxi/tzpc.h b/arch/arm/include/asm/arch-sunxi/tzpc.h
index 7a6fcae..9269608 100644
--- a/arch/arm/include/asm/arch-sunxi/tzpc.h
+++ b/arch/arm/include/asm/arch-sunxi/tzpc.h
@@ -28,6 +28,12 @@
 #define SUN8I_H3_TZPC_DECPORT1_ALL  0xff
 #define SUN8I_H3_TZPC_DECPORT2_ALL  0x7f
 
+#if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I_H3
 void tzpc_init(void);
+#else
+static inline void tzpc_init(void)
+{
+}
+#endif
 
 #endif /* _SUNXI_TZPC_H */