DMA-API: sound: fix dma mask handling in a lot of drivers

[linux-2.6-microblaze.git] / sound / soc / jz4740 / jz4740-pcm.c

diff --git a/sound/soc/jz4740/jz4740-pcm.c b/sound/soc/jz4740/jz4740-pcm.c
index 7100592..1d7ef28 100644 (file)
--- 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,