diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c
index e66ffaa..9f6832d 100644
--- a/arch/arm/mach-imx/mach-mx27_3ds.c
+++ b/arch/arm/mach-imx/mach-mx27_3ds.c
@@ -33,7 +33,7 @@
 #include "devices-imx27.h"
 #include "devices.h"
 
-static unsigned int mx27pdk_pins[] = {
+static const int mx27pdk_pins[] __initconst = {
 	/* UART1 */
 	PE12_PF_UART1_TXD,
 	PE13_PF_UART1_RXD,