1 files changed, 9 insertions, 32 deletions

diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c
index ca20cade6840..399a489f24f2 100644
--- a/sound/soc/dwc/dwc-i2s.c
+++ b/sound/soc/dwc/dwc-i2s.c
@@ -183,30 +183,6 @@ static void i2s_stop(struct dw_i2s_dev *dev,
 	}
 }
 
-static int dw_i2s_startup(struct snd_pcm_substream *substream,
-		struct snd_soc_dai *cpu_dai)
-{
-	struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(cpu_dai);
-	union dw_i2s_snd_dma_data *dma_data = NULL;
-
-	if (!(dev->capability & DWC_I2S_RECORD) &&
-			(substream->stream == SNDRV_PCM_STREAM_CAPTURE))
-		return -EINVAL;
-
-	if (!(dev->capability & DWC_I2S_PLAY) &&
-			(substream->stream == SNDRV_PCM_STREAM_PLAYBACK))
-		return -EINVAL;
-
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-		dma_data = &dev->play_dma_data;
-	else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
-		dma_data = &dev->capture_dma_data;
-
-	snd_soc_dai_set_dma_data(cpu_dai, substream, (void *)dma_data);
-
-	return 0;
-}
-
 static void dw_i2s_config(struct dw_i2s_dev *dev, int stream)
 {
 	u32 ch_reg;
@@ -305,12 +281,6 @@ static int dw_i2s_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static void dw_i2s_shutdown(struct snd_pcm_substream *substream,
-		struct snd_soc_dai *dai)
-{
-	snd_soc_dai_set_dma_data(dai, substream, NULL);
-}
-
 static int dw_i2s_prepare(struct snd_pcm_substream *substream,
 			  struct snd_soc_dai *dai)
 {
@@ -382,8 +352,6 @@ static int dw_i2s_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
 }
 
 static const struct snd_soc_dai_ops dw_i2s_dai_ops = {
-	.startup	= dw_i2s_startup,
-	.shutdown	= dw_i2s_shutdown,
 	.hw_params	= dw_i2s_hw_params,
 	.prepare	= dw_i2s_prepare,
 	.trigger	= dw_i2s_trigger,
@@ -625,6 +593,14 @@ static int dw_configure_dai_by_dt(struct dw_i2s_dev *dev,
 
 }
 
+static int dw_i2s_dai_probe(struct snd_soc_dai *dai)
+{
+	struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(dai);
+
+	snd_soc_dai_init_dma_data(dai, &dev->play_dma_data, &dev->capture_dma_data);
+	return 0;
+}
+
 static int dw_i2s_probe(struct platform_device *pdev)
 {
 	const struct i2s_platform_data *pdata = pdev->dev.platform_data;
@@ -643,6 +619,7 @@ static int dw_i2s_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	dw_i2s_dai->ops = &dw_i2s_dai_ops;
+	dw_i2s_dai->probe = dw_i2s_dai_probe;
 
 	dev->i2s_base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(dev->i2s_base))