1 files changed, 0 insertions, 88 deletions

diff --git a/sound/soc/imx/imx-esai.c b/sound/soc/imx/imx-esai.c
index 03bf0744cbb0..c07b69bec975 100644
--- a/sound/soc/imx/imx-esai.c
+++ b/sound/soc/imx/imx-esai.c
@@ -543,94 +543,6 @@ static struct snd_soc_dai_driver imx_esai_dai = {
 	 .ops = &imx_esai_dai_ops,
 };
 
-int snd_imx_pcm_mmap(struct snd_pcm_substream *substream,
-		struct vm_area_struct *vma)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	int ret;
-
-	ret = dma_mmap_coherent(NULL, vma, runtime->dma_area,
-			runtime->dma_addr, runtime->dma_bytes);
-
-	pr_debug("%s: ret: %d %p 0x%08x 0x%08x\n", __func__, ret,
-			runtime->dma_area,
-			runtime->dma_addr,
-			runtime->dma_bytes);
-	return ret;
-}
-EXPORT_SYMBOL_GPL(snd_imx_pcm_mmap);
-
-static int imx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
-{
-	struct snd_pcm_substream *substream = pcm->streams[stream].substream;
-	struct snd_dma_buffer *buf = &substream->dma_buffer;
-	size_t size = IMX_ESAI_DMABUF_SIZE;
-
-	buf->dev.type = SNDRV_DMA_TYPE_DEV;
-	buf->dev.dev = pcm->card->dev;
-	buf->private_data = NULL;
-	buf->area = dma_alloc_writecombine(pcm->card->dev, size,
-					   &buf->addr, GFP_KERNEL);
-	if (!buf->area)
-		return -ENOMEM;
-	buf->bytes = size;
-
-	return 0;
-}
-
-static u64 imx_pcm_dmamask = DMA_BIT_MASK(32);
-
-int imx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
-	struct snd_pcm *pcm)
-{
-
-	int ret = 0;
-
-	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 (dai->driver->playback.channels_min) {
-		ret = imx_pcm_preallocate_dma_buffer(pcm,
-			SNDRV_PCM_STREAM_PLAYBACK);
-		if (ret)
-			goto out;
-	}
-
-	if (dai->driver->capture.channels_min) {
-		ret = imx_pcm_preallocate_dma_buffer(pcm,
-			SNDRV_PCM_STREAM_CAPTURE);
-		if (ret)
-			goto out;
-	}
-
-out:
-	return ret;
-}
-EXPORT_SYMBOL_GPL(imx_pcm_new);
-
-void imx_pcm_free(struct snd_pcm *pcm)
-{
-	struct snd_pcm_substream *substream;
-	struct snd_dma_buffer *buf;
-	int stream;
-
-	for (stream = 0; stream < 2; stream++) {
-		substream = pcm->streams[stream].substream;
-		if (!substream)
-			continue;
-
-		buf = &substream->dma_buffer;
-		if (!buf->area)
-			continue;
-
-		dma_free_writecombine(pcm->card->dev, buf->bytes,
-				      buf->area, buf->addr);
-		buf->area = NULL;
-	}
-}
-EXPORT_SYMBOL_GPL(imx_pcm_free);
-
 static int imx_esai_probe(struct platform_device *pdev)
 {
 	struct resource *res;