diff --git a/arch/arm/mach-imx/mxc.h b/arch/arm/mach-imx/mxc.h
index 75d6a37e1ae490f3603ac84b19369f6d3204a139..a39b69ef43019ff0460aaa7012c63d466d48f39a 100644
--- a/arch/arm/mach-imx/mxc.h
+++ b/arch/arm/mach-imx/mxc.h
@@ -154,10 +154,17 @@ extern unsigned int __mxc_cpu_type;
 #endif
 
 #ifndef __ASSEMBLY__
+#ifdef CONFIG_SOC_IMX6SL
 static inline bool cpu_is_imx6sl(void)
 {
 	return __mxc_cpu_type == MXC_CPU_IMX6SL;
 }
+#else
+static inline bool cpu_is_imx6sl(void)
+{
+	return false;
+}
+#endif
 
 static inline bool cpu_is_imx6dl(void)
 {