[PATCH v1 5/7] ASoC: fsl_asrc: Replace dma_request_slave_channel() by dma_request_chan()

[Andy Shevchenko]

Replace dma_request_slave_channel() by dma_request_chan() as suggested
since the former is deprecated.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 sound/soc/fsl/fsl_asrc.c     |  2 +-
 sound/soc/fsl/fsl_asrc_dma.c | 13 +++++++------
 sound/soc/fsl/fsl_asrc_m2m.c |  8 ++++----
 sound/soc/fsl/fsl_easrc.c    |  2 +-
 4 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
index b24737add001..ae682bf450f6 100644
--- a/sound/soc/fsl/fsl_asrc.c
+++ b/sound/soc/fsl/fsl_asrc.c
@@ -638,7 +638,7 @@ static struct dma_chan *fsl_asrc_get_dma_channel(struct fsl_asrc_pair *pair,
 
 	sprintf(name, "%cx%c", dir == IN ? 'r' : 't', index + 'a');
 
-	return dma_request_slave_channel(&asrc->pdev->dev, name);
+	return dma_request_chan(&asrc->pdev->dev, name);
 }
 
 static int fsl_asrc_dai_startup(struct snd_pcm_substream *substream,
diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c
index 2f662bdf14d0..5cd12781c604 100644
--- a/sound/soc/fsl/fsl_asrc_dma.c
+++ b/sound/soc/fsl/fsl_asrc_dma.c
@@ -191,9 +191,10 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component,
 	dma_params_fe->maxburst = dma_params_be->maxburst;
 
 	pair->dma_chan[!dir] = asrc->get_dma_channel(pair, !dir);
-	if (!pair->dma_chan[!dir]) {
+	ret = PTR_ERR_OR_ZERO(pair->dma_chan[!dir]);
+	if (ret) {
 		dev_err(dev, "failed to request DMA channel\n");
-		return -EINVAL;
+		return ret;
 	}
 
 	ret = snd_dmaengine_pcm_prepare_slave_config(substream, params, &config_fe);
@@ -404,9 +405,9 @@ static int fsl_asrc_dma_startup(struct snd_soc_component *component,
 
 	/* Request a dummy dma channel, which will be released later. */
 	tmp_chan = asrc->get_dma_channel(pair, dir);
-	if (!tmp_chan) {
+	ret = PTR_ERR_OR_ZERO(tmp_chan);
+	if (ret) {
 		dev_err(dev, "failed to get dma channel\n");
-		ret = -EINVAL;
 		goto dma_chan_err;
 	}
 
@@ -497,9 +498,9 @@ static int fsl_asrc_dma_pcm_new(struct snd_soc_component *component,
 
 	/* Request a dma channel, which will be released later. */
 	chan = asrc->get_dma_channel(pair, IN);
-	if (!chan) {
+	ret = PTR_ERR_OR_ZERO(chan);
+	if (ret) {
 		dev_err(dev, "failed to get dma channel\n");
-		ret = -EINVAL;
 		goto dma_chan_err;
 	}
 
diff --git a/sound/soc/fsl/fsl_asrc_m2m.c b/sound/soc/fsl/fsl_asrc_m2m.c
index 4bc40f328f58..e440cc083ebb 100644
--- a/sound/soc/fsl/fsl_asrc_m2m.c
+++ b/sound/soc/fsl/fsl_asrc_m2m.c
@@ -503,16 +503,16 @@ static int fsl_asrc_m2m_comp_task_create(struct snd_compr_stream *stream,
 
 	/* Request dma channels */
 	pair->dma_chan[IN] = asrc->get_dma_channel(pair, IN);
-	if (!pair->dma_chan[IN]) {
+	ret = PTR_ERR_OR_ZERO(pair->dma_chan[IN]);
+	if (ret) {
 		dev_err(dev, "[ctx%d] failed to get input DMA channel\n", pair->index);
-		ret = -EBUSY;
 		goto err_dma_channel_in;
 	}
 
 	pair->dma_chan[OUT] = asrc->get_dma_channel(pair, OUT);
-	if (!pair->dma_chan[OUT]) {
+	ret = PTR_ERR_OR_ZERO(pair->dma_chan[OUT]);
+	if (ret) {
 		dev_err(dev, "[ctx%d] failed to get output DMA channel\n", pair->index);
-		ret = -EBUSY;
 		goto err_dma_channel_out;
 	}
 
diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c
index aced16d1228a..d30cc3e90215 100644
--- a/sound/soc/fsl/fsl_easrc.c
+++ b/sound/soc/fsl/fsl_easrc.c
@@ -1433,7 +1433,7 @@ static struct dma_chan *fsl_easrc_get_dma_channel(struct fsl_asrc_pair *ctx,
 	/* Example of dma name: ctx0_rx */
 	sprintf(name, "ctx%c_%cx", index + '0', dir == IN ? 'r' : 't');
 
-	return dma_request_slave_channel(&easrc->pdev->dev, name);
+	return dma_request_chan(&easrc->pdev->dev, name);
 };
 
 static const unsigned int easrc_rates[] = {
-- 
2.50.1