DMA-API: sound: fix dma mask handling in a lot of drivers
[firefly-linux-kernel-4.4.55.git] / sound / soc / fsl / fsl_dma.c
index 9cc5c1f82f093f5b171877e1bd5e5672cf9c46cd..f73c7eff8b237b0d7786cd71005789af12b8c0a3 100644 (file)
@@ -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.