[alsa-devel] [PATCH v2 03/23] ASoC: tegra: tegra_pcm.c: use devm_snd_dmaengine_pcm_register()

[Kuninori Morimoto]

From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>

We have devm_xxx version of snd_dmaengine_pcm_register,
let's use it.

This patch also removes related empty functions

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
v1 -> v2

	- remove empty functions

 sound/soc/tegra/tegra20_ac97.c  |  1 -
 sound/soc/tegra/tegra20_i2s.c   |  1 -
 sound/soc/tegra/tegra20_spdif.c |  1 -
 sound/soc/tegra/tegra30_i2s.c   |  1 -
 sound/soc/tegra/tegra_pcm.c     | 11 +++--------
 sound/soc/tegra/tegra_pcm.h     |  1 -
 6 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/sound/soc/tegra/tegra20_ac97.c b/sound/soc/tegra/tegra20_ac97.c
index 09c8516..7c359c4 100644
--- a/sound/soc/tegra/tegra20_ac97.c
+++ b/sound/soc/tegra/tegra20_ac97.c
@@ -410,7 +410,6 @@ static int tegra20_ac97_platform_remove(struct platform_device *pdev)
 {
 	struct tegra20_ac97 *ac97 = dev_get_drvdata(&pdev->dev);
 
-	tegra_pcm_platform_unregister(&pdev->dev);
 	snd_soc_unregister_component(&pdev->dev);
 
 	clk_disable_unprepare(ac97->clk_ac97);
diff --git a/sound/soc/tegra/tegra20_i2s.c b/sound/soc/tegra/tegra20_i2s.c
index 005fc4e6..fd94911 100644
--- a/sound/soc/tegra/tegra20_i2s.c
+++ b/sound/soc/tegra/tegra20_i2s.c
@@ -413,7 +413,6 @@ static int tegra20_i2s_platform_remove(struct platform_device *pdev)
 	if (!pm_runtime_status_suspended(&pdev->dev))
 		tegra20_i2s_runtime_suspend(&pdev->dev);
 
-	tegra_pcm_platform_unregister(&pdev->dev);
 	snd_soc_unregister_component(&pdev->dev);
 
 	clk_put(i2s->clk_i2s);
diff --git a/sound/soc/tegra/tegra20_spdif.c b/sound/soc/tegra/tegra20_spdif.c
index 5839833..cde526d 100644
--- a/sound/soc/tegra/tegra20_spdif.c
+++ b/sound/soc/tegra/tegra20_spdif.c
@@ -333,7 +333,6 @@ static int tegra20_spdif_platform_remove(struct platform_device *pdev)
 	if (!pm_runtime_status_suspended(&pdev->dev))
 		tegra20_spdif_runtime_suspend(&pdev->dev);
 
-	tegra_pcm_platform_unregister(&pdev->dev);
 	snd_soc_unregister_component(&pdev->dev);
 
 	return 0;
diff --git a/sound/soc/tegra/tegra30_i2s.c b/sound/soc/tegra/tegra30_i2s.c
index ac6983c..2f70bf0 100644
--- a/sound/soc/tegra/tegra30_i2s.c
+++ b/sound/soc/tegra/tegra30_i2s.c
@@ -510,7 +510,6 @@ static int tegra30_i2s_platform_remove(struct platform_device *pdev)
 	if (!pm_runtime_status_suspended(&pdev->dev))
 		tegra30_i2s_runtime_suspend(&pdev->dev);
 
-	tegra_pcm_platform_unregister(&pdev->dev);
 	snd_soc_unregister_component(&pdev->dev);
 
 	tegra30_ahub_unset_rx_cif_source(i2s->capture_fifo_cif);
diff --git a/sound/soc/tegra/tegra_pcm.c b/sound/soc/tegra/tegra_pcm.c
index f246df8..c532555 100644
--- a/sound/soc/tegra/tegra_pcm.c
+++ b/sound/soc/tegra/tegra_pcm.c
@@ -44,7 +44,8 @@ static const struct snd_dmaengine_pcm_config tegra_dmaengine_pcm_config = {
 
 int tegra_pcm_platform_register(struct device *dev)
 {
-	return snd_dmaengine_pcm_register(dev, &tegra_dmaengine_pcm_config, 0);
+	return devm_snd_dmaengine_pcm_register(dev,
+					&tegra_dmaengine_pcm_config, 0);
 }
 EXPORT_SYMBOL_GPL(tegra_pcm_platform_register);
 
@@ -57,16 +58,10 @@ int tegra_pcm_platform_register_with_chan_names(struct device *dev,
 	config->chan_names[0] = txdmachan;
 	config->chan_names[1] = rxdmachan;
 
-	return snd_dmaengine_pcm_register(dev, config, 0);
+	return devm_snd_dmaengine_pcm_register(dev, config, 0);
 }
 EXPORT_SYMBOL_GPL(tegra_pcm_platform_register_with_chan_names);
 
-void tegra_pcm_platform_unregister(struct device *dev)
-{
-	return snd_dmaengine_pcm_unregister(dev);
-}
-EXPORT_SYMBOL_GPL(tegra_pcm_platform_unregister);
-
 MODULE_AUTHOR("Stephen Warren <swarren at nvidia.com>");
 MODULE_DESCRIPTION("Tegra PCM ASoC driver");
 MODULE_LICENSE("GPL");
diff --git a/sound/soc/tegra/tegra_pcm.h b/sound/soc/tegra/tegra_pcm.h
index 0433372..6eb8f8d 100644
--- a/sound/soc/tegra/tegra_pcm.h
+++ b/sound/soc/tegra/tegra_pcm.h
@@ -23,6 +23,5 @@ int tegra_pcm_platform_register(struct device *dev);
 int tegra_pcm_platform_register_with_chan_names(struct device *dev,
 				struct snd_dmaengine_pcm_config *config,
 				char *txdmachan, char *rxdmachan);
-void tegra_pcm_platform_unregister(struct device *dev);
 
 #endif
-- 
2.7.4