diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c
index 38444b94ac427508dce316efc30c2d58b67219c6..efa6e85619ad824c2d9ea9a2bdb0b2c0eb9a3077 100644
--- a/arch/arm/plat-samsung/adc.c
+++ b/arch/arm/plat-samsung/adc.c
@@ -475,7 +475,7 @@ static int s3c_adc_resume(struct device *dev)
 #define s3c_adc_resume NULL
 #endif
 
-static struct platform_device_id s3c_adc_driver_ids[] = {
+static const struct platform_device_id s3c_adc_driver_ids[] = {
 	{
 		.name           = "s3c24xx-adc",
 		.driver_data    = TYPE_ADCV1,