diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 937d58021d1b..575e08bc6630 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -636,7 +636,7 @@ static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
 }
 
 static const struct platform_device_id *platform_match_id(
-			struct platform_device_id *id,
+			const struct platform_device_id *id,
 			struct platform_device *pdev)
 {
 	while (id->name[0]) {
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 2c2d035bfb92..212da17d06af 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -62,7 +62,7 @@ struct platform_driver {
 	int (*suspend)(struct platform_device *, pm_message_t state);
 	int (*resume)(struct platform_device *);
 	struct device_driver driver;
-	struct platform_device_id *id_table;
+	const struct platform_device_id *id_table;
 };
 
 extern int platform_driver_register(struct platform_driver *);