diff --git a/sound/firewire/dice/dice-pcm.c b/sound/firewire/dice/dice-pcm.c
index 4aa0249826fd1378661d76a75cbb59a9b96ba8db..6074fe1f00f790f971d3a9b3722d330fe38c34b9 100644
--- a/sound/firewire/dice/dice-pcm.c
+++ b/sound/firewire/dice/dice-pcm.c
@@ -302,7 +302,7 @@ static snd_pcm_uframes_t playback_pointer(struct snd_pcm_substream *substream)
 
 int snd_dice_create_pcm(struct snd_dice *dice)
 {
-	static struct snd_pcm_ops capture_ops = {
+	static const struct snd_pcm_ops capture_ops = {
 		.open      = pcm_open,
 		.close     = pcm_close,
 		.ioctl     = snd_pcm_lib_ioctl,
@@ -314,7 +314,7 @@ int snd_dice_create_pcm(struct snd_dice *dice)
 		.page      = snd_pcm_lib_get_vmalloc_page,
 		.mmap      = snd_pcm_lib_mmap_vmalloc,
 	};
-	static struct snd_pcm_ops playback_ops = {
+	static const struct snd_pcm_ops playback_ops = {
 		.open      = pcm_open,
 		.close     = pcm_close,
 		.ioctl     = snd_pcm_lib_ioctl,
diff --git a/sound/firewire/digi00x/digi00x-pcm.c b/sound/firewire/digi00x/digi00x-pcm.c
index cac28f70aef7a418ab1f5659e5c3e8a2f68cd257..613f05872770807698a58ad64fb8de8018c43f6f 100644
--- a/sound/firewire/digi00x/digi00x-pcm.c
+++ b/sound/firewire/digi00x/digi00x-pcm.c
@@ -329,7 +329,7 @@ static snd_pcm_uframes_t pcm_playback_pointer(struct snd_pcm_substream *sbstrm)
 	return amdtp_stream_pcm_pointer(&dg00x->rx_stream);
 }
 
-static struct snd_pcm_ops pcm_capture_ops = {
+static const struct snd_pcm_ops pcm_capture_ops = {
 	.open		= pcm_open,
 	.close		= pcm_close,
 	.ioctl		= snd_pcm_lib_ioctl,
@@ -341,7 +341,7 @@ static struct snd_pcm_ops pcm_capture_ops = {
 	.page		= snd_pcm_lib_get_vmalloc_page,
 };
 
-static struct snd_pcm_ops pcm_playback_ops = {
+static const struct snd_pcm_ops pcm_playback_ops = {
 	.open		= pcm_open,
 	.close		= pcm_close,
 	.ioctl		= snd_pcm_lib_ioctl,
diff --git a/sound/firewire/oxfw/oxfw-pcm.c b/sound/firewire/oxfw/oxfw-pcm.c
index 8d233417695d613141c2a49f44c279fc0b57b45e..f3530f89a025cd39a6c69f6e972bd4f68f39c07a 100644
--- a/sound/firewire/oxfw/oxfw-pcm.c
+++ b/sound/firewire/oxfw/oxfw-pcm.c
@@ -388,7 +388,7 @@ static snd_pcm_uframes_t pcm_playback_pointer(struct snd_pcm_substream *sbstm)
 
 int snd_oxfw_create_pcm(struct snd_oxfw *oxfw)
 {
-	static struct snd_pcm_ops capture_ops = {
+	static const struct snd_pcm_ops capture_ops = {
 		.open      = pcm_open,
 		.close     = pcm_close,
 		.ioctl     = snd_pcm_lib_ioctl,
@@ -400,7 +400,7 @@ int snd_oxfw_create_pcm(struct snd_oxfw *oxfw)
 		.page      = snd_pcm_lib_get_vmalloc_page,
 		.mmap      = snd_pcm_lib_mmap_vmalloc,
 	};
-	static struct snd_pcm_ops playback_ops = {
+	static const struct snd_pcm_ops playback_ops = {
 		.open      = pcm_open,
 		.close     = pcm_close,
 		.ioctl     = snd_pcm_lib_ioctl,
diff --git a/sound/firewire/tascam/tascam-pcm.c b/sound/firewire/tascam/tascam-pcm.c
index 380d3db969a5896e41dc8f8cee973f60efe38c1a..79db1b651f5c59e2b2af1265eea68e13f14433fe 100644
--- a/sound/firewire/tascam/tascam-pcm.c
+++ b/sound/firewire/tascam/tascam-pcm.c
@@ -268,7 +268,7 @@ static snd_pcm_uframes_t pcm_playback_pointer(struct snd_pcm_substream *sbstrm)
 	return amdtp_stream_pcm_pointer(&tscm->rx_stream);
 }
 
-static struct snd_pcm_ops pcm_capture_ops = {
+static const struct snd_pcm_ops pcm_capture_ops = {
 	.open		= pcm_open,
 	.close		= pcm_close,
 	.ioctl		= snd_pcm_lib_ioctl,
@@ -280,7 +280,7 @@ static struct snd_pcm_ops pcm_capture_ops = {
 	.page		= snd_pcm_lib_get_vmalloc_page,
 };
 
-static struct snd_pcm_ops pcm_playback_ops = {
+static const struct snd_pcm_ops pcm_playback_ops = {
 	.open		= pcm_open,
 	.close		= pcm_close,
 	.ioctl		= snd_pcm_lib_ioctl,