diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index df28ebf7e240..5d528269587f 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -165,7 +165,7 @@ struct mxcmci_host {
 	enum mxcmci_type	devtype;
 };
 
-static struct platform_device_id mxcmci_devtype[] = {
+static const struct platform_device_id mxcmci_devtype[] = {
 	{
 		.name = "imx21-mmc",
 		.driver_data = IMX21_MMC,