16 files changed, 61 insertions, 104 deletions

diff --git a/sound/arm/pxa2xx-pcm.c b/sound/arm/pxa2xx-pcm.c
index 69a2455b4472..e6c727b317fb 100644
--- a/sound/arm/pxa2xx-pcm.c
+++ b/sound/arm/pxa2xx-pcm.c
@@ -11,6 +11,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/dma-mapping.h>
 #include <linux/dmaengine.h>
 
 #include <sound/core.h>
@@ -83,8 +84,6 @@ static struct snd_pcm_ops pxa2xx_pcm_ops = {
         .mmap           = pxa2xx_pcm_mmap,
 };
 
-static u64 pxa2xx_pcm_dmamask = 0xffffffff;
-
 int pxa2xx_pcm_new(struct snd_card *card, struct pxa2xx_pcm_client *client,
                    struct snd_pcm **rpcm)
 {
@@ -100,10 +99,9 @@ int pxa2xx_pcm_new(struct snd_card *card, struct pxa2xx_pcm_client *client,
         pcm->private_data = client;
         pcm->private_free = pxa2xx_pcm_free_dma_buffers;
 
-        if (!card->dev->dma_mask)
-                card->dev->dma_mask = &pxa2xx_pcm_dmamask;
-        if (!card->dev->coherent_dma_mask)
-                card->dev->coherent_dma_mask = 0xffffffff;
+        ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+        if (ret)
+                goto out;
 
         if (play) {
                 int stream = SNDRV_PCM_STREAM_PLAYBACK;
diff --git a/sound/soc/atmel/atmel-pcm.c b/sound/soc/atmel/atmel-pcm.c
index 3109db7b9017..fbb87e3f1019 100644
--- a/sound/soc/atmel/atmel-pcm.c
+++ b/sound/soc/atmel/atmel-pcm.c
@@ -68,18 +68,15 @@ int atmel_pcm_mmap(struct snd_pcm_substream *substream,
 }
 EXPORT_SYMBOL_GPL(atmel_pcm_mmap);
 
-static u64 atmel_pcm_dmamask = DMA_BIT_MASK(32);
-
 int atmel_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
         struct snd_card *card = rtd->card->snd_card;
         struct snd_pcm *pcm = rtd->pcm;
-        int ret = 0;
+        int ret;
 
-        if (!card->dev->dma_mask)
-                card->dev->dma_mask = &atmel_pcm_dmamask;
-        if (!card->dev->coherent_dma_mask)
-                card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+        ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+        if (ret)
+                return ret;
 
         if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
                 pr_debug("atmel-pcm: allocating PCM playback DMA buffer\n");
diff --git a/sound/soc/blackfin/bf5xx-ac97-pcm.c b/sound/soc/blackfin/bf5xx-ac97-pcm.c
index 53f84085bf1f..1d4c676eb6cc 100644
--- a/sound/soc/blackfin/bf5xx-ac97-pcm.c
+++ b/sound/soc/blackfin/bf5xx-ac97-pcm.c
@@ -415,19 +415,16 @@ static void bf5xx_pcm_free_dma_buffers(struct snd_pcm *pcm)
         }
 }
 
-static u64 bf5xx_pcm_dmamask = DMA_BIT_MASK(32);
-
 static int bf5xx_pcm_ac97_new(struct snd_soc_pcm_runtime *rtd)
 {
         struct snd_card *card = rtd->card->snd_card;
         struct snd_pcm *pcm = rtd->pcm;
-        int ret = 0;
+        int ret;
 
         pr_debug("%s enter\n", __func__);
-        if (!card->dev->dma_mask)
-                card->dev->dma_mask = &bf5xx_pcm_dmamask;
-        if (!card->dev->coherent_dma_mask)
-                card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+        ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+        if (ret)
+                return ret;
 
         if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
                 ret = bf5xx_pcm_preallocate_dma_buffer(pcm,
diff --git a/sound/soc/blackfin/bf5xx-i2s-pcm.c b/sound/soc/blackfin/bf5xx-i2s-pcm.c
index 9cb4a80df98e..2a5b43417fd5 100644
--- a/sound/soc/blackfin/bf5xx-i2s-pcm.c
+++ b/sound/soc/blackfin/bf5xx-i2s-pcm.c
@@ -323,18 +323,16 @@ static struct snd_pcm_ops bf5xx_pcm_i2s_ops = {
         .silence        = bf5xx_pcm_silence,
 };
 
-static u64 bf5xx_pcm_dmamask = DMA_BIT_MASK(32);
-
 static int bf5xx_pcm_i2s_new(struct snd_soc_pcm_runtime *rtd)
 {
         struct snd_card *card = rtd->card->snd_card;
         size_t size = bf5xx_pcm_hardware.buffer_bytes_max;
+        int ret;
 
         pr_debug("%s enter\n", __func__);
-        if (!card->dev->dma_mask)
-                card->dev->dma_mask = &bf5xx_pcm_dmamask;
-        if (!card->dev->coherent_dma_mask)
-                card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+        ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+        if (ret)
+                return ret;
 
         return snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
                                 SNDRV_DMA_TYPE_DEV, card->dev, size, size);
diff --git a/sound/soc/davinci/davinci-pcm.c b/sound/soc/davinci/davinci-pcm.c
index 8460edce1c3b..84a63c660ab9 100644
--- a/sound/soc/davinci/davinci-pcm.c
+++ b/sound/soc/davinci/davinci-pcm.c
@@ -844,18 +844,15 @@ static void davinci_pcm_free(struct snd_pcm *pcm)
         }
 }
 
-static u64 davinci_pcm_dmamask = DMA_BIT_MASK(32);
-
 static int davinci_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
         struct snd_card *card = rtd->card->snd_card;
         struct snd_pcm *pcm = rtd->pcm;
         int ret;
 
-        if (!card->dev->dma_mask)
-                card->dev->dma_mask = &davinci_pcm_dmamask;
-        if (!card->dev->coherent_dma_mask)
-                card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+        ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+        if (ret)
+                return ret;
 
         if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
                 ret = davinci_pcm_preallocate_dma_buffer(pcm,
diff --git a/sound/soc/fsl/fsl_dma.c b/sound/soc/fsl/fsl_dma.c
index 9cc5c1f82f09..f73c7eff8b23 100644
--- a/sound/soc/fsl/fsl_dma.c
+++ b/sound/soc/fsl/fsl_dma.c
@@ -298,14 +298,11 @@ static int fsl_dma_new(struct snd_soc_pcm_runtime *rtd)
 {
         struct snd_card *card = rtd->card->snd_card;
         struct snd_pcm *pcm = rtd->pcm;
-        static u64 fsl_dma_dmamask = DMA_BIT_MASK(36);
         int ret;
 
-        if (!card->dev->dma_mask)
-                card->dev->dma_mask = &fsl_dma_dmamask;
-
-        if (!card->dev->coherent_dma_mask)
-                card->dev->coherent_dma_mask = fsl_dma_dmamask;
+        ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(36));
+        if (ret)
+                return ret;
 
         /* Some codecs have separate DAIs for playback and capture, so we
          * should allocate a DMA buffer only for the streams that are valid.
diff --git a/sound/soc/fsl/imx-pcm-fiq.c b/sound/soc/fsl/imx-pcm-fiq.c
index 34043c55f2a6..fd5f2fb955f1 100644
--- a/sound/soc/fsl/imx-pcm-fiq.c
+++ b/sound/soc/fsl/imx-pcm-fiq.c
@@ -272,18 +272,16 @@ static int imx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
         return 0;
 }
 
-static u64 imx_pcm_dmamask = DMA_BIT_MASK(32);
-
 static int imx_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
         struct snd_card *card = rtd->card->snd_card;
         struct snd_pcm *pcm = rtd->pcm;
-        int ret = 0;
+        int ret;
+
+        ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+        if (ret)
+                return ret;
 
-        if (!card->dev->dma_mask)
-                card->dev->dma_mask = &imx_pcm_dmamask;
-        if (!card->dev->coherent_dma_mask)
-                card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
         if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
                 ret = imx_pcm_preallocate_dma_buffer(pcm,
                         SNDRV_PCM_STREAM_PLAYBACK);
diff --git a/sound/soc/fsl/mpc5200_dma.c b/sound/soc/fsl/mpc5200_dma.c
index 2a847ca494b5..8fcf22416740 100644
--- a/sound/soc/fsl/mpc5200_dma.c
+++ b/sound/soc/fsl/mpc5200_dma.c
@@ -299,7 +299,6 @@ static struct snd_pcm_ops psc_dma_ops = {
         .hw_params      = psc_dma_hw_params,
 };
 
-static u64 psc_dma_dmamask = DMA_BIT_MASK(32);
 static int psc_dma_new(struct snd_soc_pcm_runtime *rtd)
 {
         struct snd_card *card = rtd->card->snd_card;
@@ -307,15 +306,14 @@ static int psc_dma_new(struct snd_soc_pcm_runtime *rtd)
         struct snd_pcm *pcm = rtd->pcm;
         struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(rtd->cpu_dai);
         size_t size = psc_dma_hardware.buffer_bytes_max;
-        int rc = 0;
+        int rc;
 
         dev_dbg(rtd->platform->dev, "psc_dma_new(card=%p, dai=%p, pcm=%p)\n",
                 card, dai, pcm);
 
-        if (!card->dev->dma_mask)
-                card->dev->dma_mask = &psc_dma_dmamask;
-        if (!card->dev->coherent_dma_mask)
-                card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+        rc = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+        if (rc)
+                return rc;
 
         if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
                 rc = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, pcm->card->dev,
diff --git a/sound/soc/jz4740/jz4740-pcm.c b/sound/soc/jz4740/jz4740-pcm.c
index 710059292318..1d7ef28585e1 100644
--- a/sound/soc/jz4740/jz4740-pcm.c
+++ b/sound/soc/jz4740/jz4740-pcm.c
@@ -297,19 +297,15 @@ static void jz4740_pcm_free(struct snd_pcm *pcm)
         }
 }
 
-static u64 jz4740_pcm_dmamask = DMA_BIT_MASK(32);
-
 static int jz4740_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
         struct snd_card *card = rtd->card->snd_card;
         struct snd_pcm *pcm = rtd->pcm;
-        int ret = 0;
-
-        if (!card->dev->dma_mask)
-                card->dev->dma_mask = &jz4740_pcm_dmamask;
+        int ret;
 
-        if (!card->dev->coherent_dma_mask)
-                card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+        ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+        if (ret)
+                return ret;
 
         if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
                 ret = jz4740_pcm_preallocate_dma_buffer(pcm,
diff --git a/sound/soc/kirkwood/kirkwood-dma.c b/sound/soc/kirkwood/kirkwood-dma.c
index b238434f92b0..3814bb037485 100644
--- a/sound/soc/kirkwood/kirkwood-dma.c
+++ b/sound/soc/kirkwood/kirkwood-dma.c
@@ -59,8 +59,6 @@ static struct snd_pcm_hardware kirkwood_dma_snd_hw = {
         .fifo_size              = 0,
 };
 
-static u64 kirkwood_dma_dmamask = DMA_BIT_MASK(32);
-
 static irqreturn_t kirkwood_dma_irq(int irq, void *dev_id)
 {
         struct kirkwood_dma_data *priv = dev_id;
@@ -292,10 +290,9 @@ static int kirkwood_dma_new(struct snd_soc_pcm_runtime *rtd)
         struct snd_pcm *pcm = rtd->pcm;
         int ret;
 
-        if (!card->dev->dma_mask)
-                card->dev->dma_mask = &kirkwood_dma_dmamask;
-        if (!card->dev->coherent_dma_mask)
-                card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+        ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+        if (ret)
+                return ret;
 
         if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
                 ret = kirkwood_dma_preallocate_dma_buffer(pcm,
diff --git a/sound/soc/nuc900/nuc900-pcm.c b/sound/soc/nuc900/nuc900-pcm.c
index c894ff0f2580..f588ee45b4fd 100644
--- a/sound/soc/nuc900/nuc900-pcm.c
+++ b/sound/soc/nuc900/nuc900-pcm.c
@@ -314,16 +314,15 @@ static void nuc900_dma_free_dma_buffers(struct snd_pcm *pcm)
         snd_pcm_lib_preallocate_free_for_all(pcm);
 }
 
-static u64 nuc900_pcm_dmamask = DMA_BIT_MASK(32);
 static int nuc900_dma_new(struct snd_soc_pcm_runtime *rtd)
 {
         struct snd_card *card = rtd->card->snd_card;
         struct snd_pcm *pcm = rtd->pcm;
+        int ret;
 
-        if (!card->dev->dma_mask)
-                card->dev->dma_mask = &nuc900_pcm_dmamask;
-        if (!card->dev->coherent_dma_mask)
-                card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+        ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+        if (ret)
+                return ret;
 
         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
                 card->dev, 4 * 1024, (4 * 1024) - 1);
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index a11405de86e8..b8fa9862e54c 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -156,8 +156,6 @@ static struct snd_pcm_ops omap_pcm_ops = {
         .mmap           = omap_pcm_mmap,
 };
 
-static u64 omap_pcm_dmamask = DMA_BIT_MASK(64);
-
 static int omap_pcm_preallocate_dma_buffer(struct snd_pcm *pcm,
         int stream)
 {
@@ -202,12 +200,11 @@ static int omap_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
         struct snd_card *card = rtd->card->snd_card;
         struct snd_pcm *pcm = rtd->pcm;
-        int ret = 0;
+        int ret;
 
-        if (!card->dev->dma_mask)
-                card->dev->dma_mask = &omap_pcm_dmamask;
-        if (!card->dev->coherent_dma_mask)
-                card->dev->coherent_dma_mask = DMA_BIT_MASK(64);
+        ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(64));
+        if (ret)
+                return ret;
 
         if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
                 ret = omap_pcm_preallocate_dma_buffer(pcm,
diff --git a/sound/soc/pxa/pxa2xx-pcm.c b/sound/soc/pxa/pxa2xx-pcm.c
index 806da27b8b67..d58b09f4f7a4 100644
--- a/sound/soc/pxa/pxa2xx-pcm.c
+++ b/sound/soc/pxa/pxa2xx-pcm.c
@@ -87,18 +87,15 @@ static struct snd_pcm_ops pxa2xx_pcm_ops = {
         .mmap           = pxa2xx_pcm_mmap,
 };
 
-static u64 pxa2xx_pcm_dmamask = DMA_BIT_MASK(32);
-
 static int pxa2xx_soc_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
         struct snd_card *card = rtd->card->snd_card;
         struct snd_pcm *pcm = rtd->pcm;
-        int ret = 0;
+        int ret;
 
-        if (!card->dev->dma_mask)
-                card->dev->dma_mask = &pxa2xx_pcm_dmamask;
-        if (!card->dev->coherent_dma_mask)
-                card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+        ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+        if (ret)
+                return ret;
 
         if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
                 ret = pxa2xx_pcm_preallocate_dma_buffer(pcm,
diff --git a/sound/soc/s6000/s6000-pcm.c b/sound/soc/s6000/s6000-pcm.c
index d0740a762963..283620a97fe7 100644
--- a/sound/soc/s6000/s6000-pcm.c
+++ b/sound/soc/s6000/s6000-pcm.c
@@ -444,8 +444,6 @@ static void s6000_pcm_free(struct snd_pcm *pcm)
         snd_pcm_lib_preallocate_free_for_all(pcm);
 }
 
-static u64 s6000_pcm_dmamask = DMA_BIT_MASK(32);
-
 static int s6000_pcm_new(struct snd_soc_pcm_runtime *runtime)
 {
         struct snd_card *card = runtime->card->snd_card;
@@ -456,10 +454,9 @@ static int s6000_pcm_new(struct snd_soc_pcm_runtime *runtime)
         params = snd_soc_dai_get_dma_data(runtime->cpu_dai,
                         pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);
 
-        if (!card->dev->dma_mask)
-                card->dev->dma_mask = &s6000_pcm_dmamask;
-        if (!card->dev->coherent_dma_mask)
-                card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+        res = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+        if (res)
+                return res;
 
         if (params->dma_in) {
                 s6dmac_disable_chan(DMA_MASK_DMAC(params->dma_in),
diff --git a/sound/soc/samsung/dma.c b/sound/soc/samsung/dma.c
index 9338d11e9216..fe2748b494d4 100644
--- a/sound/soc/samsung/dma.c
+++ b/sound/soc/samsung/dma.c
@@ -406,20 +406,17 @@ static void dma_free_dma_buffers(struct snd_pcm *pcm)
         }
 }
 
-static u64 dma_mask = DMA_BIT_MASK(32);
-
 static int dma_new(struct snd_soc_pcm_runtime *rtd)
 {
         struct snd_card *card = rtd->card->snd_card;
         struct snd_pcm *pcm = rtd->pcm;
-        int ret = 0;
+        int ret;
 
         pr_debug("Entered %s\n", __func__);
 
-        if (!card->dev->dma_mask)
-                card->dev->dma_mask = &dma_mask;
-        if (!card->dev->coherent_dma_mask)
-                card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+        ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+        if (ret)
+                return ret;
 
         if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
                 ret = preallocate_dma_buffer(pcm,
diff --git a/sound/soc/samsung/idma.c b/sound/soc/samsung/idma.c
index ce1e1e16f250..e4f318fc2f82 100644
--- a/sound/soc/samsung/idma.c
+++ b/sound/soc/samsung/idma.c
@@ -383,18 +383,15 @@ static int preallocate_idma_buffer(struct snd_pcm *pcm, int stream)
         return 0;
 }
 
-static u64 idma_mask = DMA_BIT_MASK(32);
-
 static int idma_new(struct snd_soc_pcm_runtime *rtd)
 {
         struct snd_card *card = rtd->card->snd_card;
         struct snd_pcm *pcm = rtd->pcm;
-        int ret = 0;
+        int ret;
 
-        if (!card->dev->dma_mask)
-                card->dev->dma_mask = &idma_mask;
-        if (!card->dev->coherent_dma_mask)
-                card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+        ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+        if (ret)
+                return ret;
 
         if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
                 ret = preallocate_idma_buffer(pcm,