diff --git a/arch/arm/mach-mxs/module-tx28.c b/arch/arm/mach-mxs/module-tx28.c
index 0fcff47..a096cca 100644
--- a/arch/arm/mach-mxs/module-tx28.c
+++ b/arch/arm/mach-mxs/module-tx28.c
@@ -66,11 +66,11 @@ static const iomux_cfg_t tx28_fec1_pads[] __initconst = {
        MX28_PAD_ENET0_CRS__ENET1_RX_EN,
 };

-static struct fec_platform_data tx28_fec0_data = {
+static struct fec_platform_data __initconst tx28_fec0_data = {
        .phy = PHY_INTERFACE_MODE_RMII,
 };

-static struct fec_platform_data tx28_fec1_data = {
+static struct fec_platform_data __initconst tx28_fec1_data = {
        .phy = PHY_INTERFACE_MODE_RMII,
 };