diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 9b0de428c45b4d52244f1c1d022255db0b2e27ba..6f60149acdbffba1568243576bb069bad63c106d 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -99,11 +99,11 @@
 #define RSND_RATES SNDRV_PCM_RATE_8000_96000
 #define RSND_FMTS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE)
 
-static struct rsnd_of_data rsnd_of_data_gen1 = {
+static const struct rsnd_of_data rsnd_of_data_gen1 = {
 	.flags = RSND_GEN1,
 };
 
-static struct rsnd_of_data rsnd_of_data_gen2 = {
+static const struct rsnd_of_data rsnd_of_data_gen2 = {
 	.flags = RSND_GEN2,
 };