diff --git a/arch/arm/include/asm/arch-mx31/imx-regs.h b/arch/arm/include/asm/arch-mx31/imx-regs.h
index 74444f290377f1255ae0724d1becd2af57a606c8..c830a0374e86ba5133b5b0a511214827a0317a5e 100644
--- a/arch/arm/include/asm/arch-mx31/imx-regs.h
+++ b/arch/arm/include/asm/arch-mx31/imx-regs.h
@@ -105,7 +105,7 @@ struct iim_regs {
 
 struct mx3_cpu_type {
 	u8 srev;
-	const char *v;
+	char *v;
 };
 
 #define IOMUX_PADNUM_MASK	0x1ff