diff --git a/sound/mips/hal2.c b/sound/mips/hal2.c
index db44d9d691db37ea8b415782529c788b0620b265..ec84bc4c3a6e77a1c170c003b5f03ea79365a1c4 100644
--- a/sound/mips/hal2.c
+++ b/sound/mips/hal2.c
@@ -732,7 +732,7 @@ static int hal2_dev_free(struct snd_device *device)
 	return 0;
 }
 
-static struct snd_device_ops hal2_ops = {
+static const struct snd_device_ops hal2_ops = {
 	.dev_free = hal2_dev_free,
 };
 
diff --git a/sound/mips/sgio2audio.c b/sound/mips/sgio2audio.c
index f10a08a8777f08957740d0122df0cbb2ec5435b8..9f60a5037f8bc36d2d53c09e0c813d2f02ef6f8e 100644
--- a/sound/mips/sgio2audio.c
+++ b/sound/mips/sgio2audio.c
@@ -787,7 +787,7 @@ static int snd_sgio2audio_dev_free(struct snd_device *device)
 	return snd_sgio2audio_free(chip);
 }
 
-static struct snd_device_ops ops = {
+static const struct snd_device_ops ops = {
 	.dev_free = snd_sgio2audio_dev_free,
 };