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

[karo-tx-linux.git] / sound / soc / blackfin / bf5xx-i2s-pcm.c

diff --git a/sound/soc/blackfin/bf5xx-i2s-pcm.c b/sound/soc/blackfin/bf5xx-i2s-pcm.c
index 9cb4a80df98eee2efa78b9b3a05a99baf64cc8b1..2a5b43417fd5a5810ac36d1cc258f97987e9066a 100644 (file)
--- 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);