diff --git a/sound/pci/atiixp.c b/sound/pci/atiixp.c
index 1028fc8bdff5..2ce0022dbc46 100644
--- a/sound/pci/atiixp.c
+++ b/sound/pci/atiixp.c
@@ -1219,7 +1219,7 @@ static struct ac97_pcm atiixp_pcm_defs[] = {
 	},
 };
 
-static struct atiixp_dma_ops snd_atiixp_playback_dma_ops = {
+static const struct atiixp_dma_ops snd_atiixp_playback_dma_ops = {
 	.type = ATI_DMA_PLAYBACK,
 	.llp_offset = ATI_REG_OUT_DMA_LINKPTR,
 	.dt_cur = ATI_REG_OUT_DMA_DT_CUR,
@@ -1228,7 +1228,7 @@ static struct atiixp_dma_ops snd_atiixp_playback_dma_ops = {
 	.flush_dma = atiixp_out_flush_dma,
 };
 	
-static struct atiixp_dma_ops snd_atiixp_capture_dma_ops = {
+static const struct atiixp_dma_ops snd_atiixp_capture_dma_ops = {
 	.type = ATI_DMA_CAPTURE,
 	.llp_offset = ATI_REG_IN_DMA_LINKPTR,
 	.dt_cur = ATI_REG_IN_DMA_DT_CUR,
@@ -1237,7 +1237,7 @@ static struct atiixp_dma_ops snd_atiixp_capture_dma_ops = {
 	.flush_dma = atiixp_in_flush_dma,
 };
 	
-static struct atiixp_dma_ops snd_atiixp_spdif_dma_ops = {
+static const struct atiixp_dma_ops snd_atiixp_spdif_dma_ops = {
 	.type = ATI_DMA_SPDIF,
 	.llp_offset = ATI_REG_SPDF_DMA_LINKPTR,
 	.dt_cur = ATI_REG_SPDF_DMA_DT_CUR,
diff --git a/sound/pci/atiixp_modem.c b/sound/pci/atiixp_modem.c
index 27ed678a46df..c534552963e7 100644
--- a/sound/pci/atiixp_modem.c
+++ b/sound/pci/atiixp_modem.c
@@ -970,7 +970,7 @@ static struct snd_pcm_ops snd_atiixp_capture_ops = {
 	.pointer =	snd_atiixp_pcm_pointer,
 };
 
-static struct atiixp_dma_ops snd_atiixp_playback_dma_ops = {
+static const struct atiixp_dma_ops snd_atiixp_playback_dma_ops = {
 	.type = ATI_DMA_PLAYBACK,
 	.llp_offset = ATI_REG_MODEM_OUT_DMA1_LINKPTR,
 	.dt_cur = ATI_REG_MODEM_OUT_DMA1_DT_CUR,
@@ -979,7 +979,7 @@ static struct atiixp_dma_ops snd_atiixp_playback_dma_ops = {
 	.flush_dma = atiixp_out_flush_dma,
 };
 	
-static struct atiixp_dma_ops snd_atiixp_capture_dma_ops = {
+static const struct atiixp_dma_ops snd_atiixp_capture_dma_ops = {
 	.type = ATI_DMA_CAPTURE,
 	.llp_offset = ATI_REG_MODEM_IN_DMA_LINKPTR,
 	.dt_cur = ATI_REG_MODEM_IN_DMA_DT_CUR,