VisionFive2 Linux kernel

diff --git a/sound/arm/pxa2xx-ac97.c b/sound/arm/pxa2xx-ac97.c
index a67e6685b00c..c17a19fe59ed 100644
--- a/sound/arm/pxa2xx-ac97.c
+++ b/sound/arm/pxa2xx-ac97.c
@@ -172,38 +172,28 @@ static const struct snd_pcm_ops pxa2xx_ac97_pcm_ops = {
 	.open		= pxa2xx_ac97_pcm_open,
 	.close		= pxa2xx_ac97_pcm_close,
 	.hw_params	= pxa2xx_pcm_hw_params,
-	.hw_free	= pxa2xx_pcm_hw_free,
 	.prepare	= pxa2xx_ac97_pcm_prepare,
 	.trigger	= pxa2xx_pcm_trigger,
 	.pointer	= pxa2xx_pcm_pointer,
-	.mmap		= pxa2xx_pcm_mmap,
 };
 
 
 static int pxa2xx_ac97_pcm_new(struct snd_card *card)
 {
 	struct snd_pcm *pcm;
-	int stream, ret;
+	int ret;
 
 	ret = snd_pcm_new(card, "PXA2xx-PCM", 0, 1, 1, &pcm);
 	if (ret)
 		goto out;
 
-	pcm->private_free = pxa2xx_pcm_free_dma_buffers;
-
 	ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
 	if (ret)
 		goto out;
 
-	stream = SNDRV_PCM_STREAM_PLAYBACK;
-	snd_pcm_set_ops(pcm, stream, &pxa2xx_ac97_pcm_ops);
-	ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, stream);
-	if (ret)
-		goto out;
-
-	stream = SNDRV_PCM_STREAM_CAPTURE;
-	snd_pcm_set_ops(pcm, stream, &pxa2xx_ac97_pcm_ops);
-	ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, stream);
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pxa2xx_ac97_pcm_ops);
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pxa2xx_ac97_pcm_ops);
+	ret = pxa2xx_pcm_preallocate_dma_buffer(pcm);
 	if (ret)
 		goto out;
 
diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c
index e81083e1bc68..0a48805e513a 100644
--- a/sound/arm/pxa2xx-pcm-lib.c
+++ b/sound/arm/pxa2xx-pcm-lib.c
@@ -54,19 +54,10 @@ int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
 	if (ret)
 		return ret;
 
-	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
-
 	return 0;
 }
 EXPORT_SYMBOL(pxa2xx_pcm_hw_params);
 
-int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream)
-{
-	snd_pcm_set_runtime_buffer(substream, NULL);
-	return 0;
-}
-EXPORT_SYMBOL(pxa2xx_pcm_hw_free);
-
 int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 {
 	return snd_dmaengine_pcm_trigger(substream, cmd);
@@ -131,56 +122,14 @@ int pxa2xx_pcm_close(struct snd_pcm_substream *substream)
 }
 EXPORT_SYMBOL(pxa2xx_pcm_close);
 
-int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
-	struct vm_area_struct *vma)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	return dma_mmap_wc(substream->pcm->card->dev, vma, runtime->dma_area,
-			   runtime->dma_addr, runtime->dma_bytes);
-}
-EXPORT_SYMBOL(pxa2xx_pcm_mmap);
-
-int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
+int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm)
 {
-	struct snd_pcm_substream *substream = pcm->streams[stream].substream;
-	struct snd_dma_buffer *buf = &substream->dma_buffer;
 	size_t size = pxa2xx_pcm_hardware.buffer_bytes_max;
-	buf->dev.type = SNDRV_DMA_TYPE_DEV;
-	buf->dev.dev = pcm->card->dev;
-	buf->private_data = NULL;
-	buf->area = dma_alloc_wc(pcm->card->dev, size, &buf->addr, GFP_KERNEL);
-	if (!buf->area)
-		return -ENOMEM;
-	buf->bytes = size;
-	return 0;
-}
-EXPORT_SYMBOL(pxa2xx_pcm_preallocate_dma_buffer);
 
-void pxa2xx_pcm_free_dma_buffers(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_wc(pcm->card->dev, buf->bytes, buf->area, buf->addr);
-		buf->area = NULL;
-	}
-}
-EXPORT_SYMBOL(pxa2xx_pcm_free_dma_buffers);
-
-void pxa2xx_soc_pcm_free(struct snd_soc_component *component,
-			 struct snd_pcm *pcm)
-{
-	pxa2xx_pcm_free_dma_buffers(pcm);
+	return snd_pcm_set_fixed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_WC,
+					    pcm->card->dev, size);
 }
-EXPORT_SYMBOL(pxa2xx_soc_pcm_free);
+EXPORT_SYMBOL(pxa2xx_pcm_preallocate_dma_buffer);
 
 int pxa2xx_soc_pcm_new(struct snd_soc_component *component,
 		       struct snd_soc_pcm_runtime *rtd)
@@ -193,21 +142,7 @@ int pxa2xx_soc_pcm_new(struct snd_soc_component *component,
 	if (ret)
 		return ret;
 
-	if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
-		ret = pxa2xx_pcm_preallocate_dma_buffer(pcm,
-			SNDRV_PCM_STREAM_PLAYBACK);
-		if (ret)
-			goto out;
-	}
-
-	if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
-		ret = pxa2xx_pcm_preallocate_dma_buffer(pcm,
-			SNDRV_PCM_STREAM_CAPTURE);
-		if (ret)
-			goto out;
-	}
- out:
-	return ret;
+	return pxa2xx_pcm_preallocate_dma_buffer(pcm);
 }
 EXPORT_SYMBOL(pxa2xx_soc_pcm_new);
 
@@ -233,13 +168,6 @@ int pxa2xx_soc_pcm_hw_params(struct snd_soc_component *component,
 }
 EXPORT_SYMBOL(pxa2xx_soc_pcm_hw_params);
 
-int pxa2xx_soc_pcm_hw_free(struct snd_soc_component *component,
-			   struct snd_pcm_substream *substream)
-{
-	return pxa2xx_pcm_hw_free(substream);
-}
-EXPORT_SYMBOL(pxa2xx_soc_pcm_hw_free);
-
 int pxa2xx_soc_pcm_prepare(struct snd_soc_component *component,
 			   struct snd_pcm_substream *substream)
 {
@@ -262,14 +190,6 @@ pxa2xx_soc_pcm_pointer(struct snd_soc_component *component,
 }
 EXPORT_SYMBOL(pxa2xx_soc_pcm_pointer);
 
-int pxa2xx_soc_pcm_mmap(struct snd_soc_component *component,
-			struct snd_pcm_substream *substream,
-			struct vm_area_struct *vma)
-{
-	return pxa2xx_pcm_mmap(substream, vma);
-}
-EXPORT_SYMBOL(pxa2xx_soc_pcm_mmap);
-
 MODULE_AUTHOR("Nicolas Pitre");
 MODULE_DESCRIPTION("Intel PXA2xx sound library");
 MODULE_LICENSE("GPL");