]> git.kernelconcepts.de Git - karo-tx-linux.git/blobdiff - sound/soc/nuc900/nuc900-pcm.c
DMA-API: sound: fix dma mask handling in a lot of drivers
[karo-tx-linux.git] / sound / soc / nuc900 / nuc900-pcm.c
index c894ff0f25809c997197496e810cc52d0299d40a..f588ee45b4fdd610d21c316f469b81b687da40a9 100644 (file)
@@ -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);