diff --git a/sound/soc/sh/dma-sh7760.c b/sound/soc/sh/dma-sh7760.c
index 35788a6db963e607685ef82950a6f1a22193194a..1e7d417b53ef22a199c6c0d78f9bcad281e8eb19 100644
--- a/sound/soc/sh/dma-sh7760.c
+++ b/sound/soc/sh/dma-sh7760.c
@@ -89,7 +89,7 @@ struct camelot_pcm {
 #define DMABRG_PREALLOC_BUFFER		32 * 1024
 #define DMABRG_PREALLOC_BUFFER_MAX	32 * 1024
 
-static struct snd_pcm_hardware camelot_pcm_hardware = {
+static const struct snd_pcm_hardware camelot_pcm_hardware = {
 	.info = (SNDRV_PCM_INFO_MMAP |
 		SNDRV_PCM_INFO_INTERLEAVED |
 		SNDRV_PCM_INFO_BLOCK_TRANSFER |
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 5d7d9fe8bc981f779fb249309b28ad77769308ff..39ec772912d5ace45f0fa758895640459757bdaf 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -1710,7 +1710,7 @@ static const struct snd_soc_dai_ops fsi_dai_ops = {
  *		pcm ops
  */
 
-static struct snd_pcm_hardware fsi_pcm_hardware = {
+static const struct snd_pcm_hardware fsi_pcm_hardware = {
 	.info =		SNDRV_PCM_INFO_INTERLEAVED	|
 			SNDRV_PCM_INFO_MMAP		|
 			SNDRV_PCM_INFO_MMAP_VALID,
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index df39831b8e8f44ffb21b51ca004deb01695c7c54..107133297e8dd169855e3953ebcf0ca630ef336a 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -843,7 +843,7 @@ static int rsnd_soc_hw_rule_channels(struct snd_pcm_hw_params *params,
 				ir, &ic);
 }
 
-static struct snd_pcm_hardware rsnd_pcm_hardware = {
+static const struct snd_pcm_hardware rsnd_pcm_hardware = {
 	.info =		SNDRV_PCM_INFO_INTERLEAVED	|
 			SNDRV_PCM_INFO_MMAP		|
 			SNDRV_PCM_INFO_MMAP_VALID,
diff --git a/sound/soc/sh/siu_dai.c b/sound/soc/sh/siu_dai.c
index 4a22aadac29484aae7b4621d7b6c523cd49bb3d7..160502947da20b238364745e620a6bd5e2baf1f4 100644
--- a/sound/soc/sh/siu_dai.c
+++ b/sound/soc/sh/siu_dai.c
@@ -333,7 +333,7 @@ static void siu_dai_spbstop(struct siu_port *port_info)
 /*		API functions		*/
 
 /* Playback and capture hardware properties are identical */
-static struct snd_pcm_hardware siu_dai_pcm_hw = {
+static const struct snd_pcm_hardware siu_dai_pcm_hw = {
 	.info			= SNDRV_PCM_INFO_INTERLEAVED,
 	.formats		= SNDRV_PCM_FMTBIT_S16,
 	.rates			= SNDRV_PCM_RATE_8000_48000,