[PATCH v4 09/22] ASoC: tegra20: spdif: Use more resource-managed helpers

Dmitry Osipenko
2021-12-04T14:37:58Z

Use resource-managed helpers to make code cleaner. Driver's remove callback
isn't needed anymore since driver is completely resource-managed now.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
sound/soc/tegra/tegra20_spdif.c | 33 +++++++++------------------------
sound/soc/tegra/tegra_pcm.c | 6 ++++++
sound/soc/tegra/tegra_pcm.h | 1 +
3 files changed, 16 insertions(+), 24 deletions(-)

diff --git a/sound/soc/tegra/tegra20_spdif.c b/sound/soc/tegra/tegra20_spdif.c
index d5c618611dbb..7dd263721c2c 100644
--- a/sound/soc/tegra/tegra20_spdif.c
+++ b/sound/soc/tegra/tegra20_spdif.c
@@ -289,38 +289,24 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev)
spdif->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
spdif->playback_dma_data.maxburst = 4;

- pm_runtime_enable(&pdev->dev);
+ ret = devm_pm_runtime_enable(&pdev->dev);
+ if (ret)
+ return ret;

- ret = snd_soc_register_component(&pdev->dev, &tegra20_spdif_component,
- &tegra20_spdif_dai, 1);
+ ret = devm_snd_soc_register_component(&pdev->dev,
+ &tegra20_spdif_component,
+ &tegra20_spdif_dai, 1);
if (ret) {
dev_err(&pdev->dev, "Could not register DAI: %d\n", ret);
- goto err_pm_disable;
+ return ret;
}

- ret = tegra_pcm_platform_register(&pdev->dev);
+ ret = devm_tegra_pcm_platform_register(&pdev->dev);
if (ret) {
dev_err(&pdev->dev, "Could not register PCM: %d\n", ret);
- goto err_unregister_component;
+ return ret;
}

- return 0;
-
-err_unregister_component:
- snd_soc_unregister_component(&pdev->dev);
-err_pm_disable:
- pm_runtime_disable(&pdev->dev);
-
- return ret;
-}
-
-static int tegra20_spdif_platform_remove(struct platform_device *pdev)
-{
- tegra_pcm_platform_unregister(&pdev->dev);
- snd_soc_unregister_component(&pdev->dev);
-
- pm_runtime_disable(&pdev->dev);
-
return 0;
}

@@ -342,7 +328,6 @@ static struct platform_driver tegra20_spdif_driver = {
.of_match_table = tegra20_spdif_of_match,
},
.probe = tegra20_spdif_platform_probe,
- .remove = tegra20_spdif_platform_remove,
};
module_platform_driver(tegra20_spdif_driver);

diff --git a/sound/soc/tegra/tegra_pcm.c b/sound/soc/tegra/tegra_pcm.c
index ef1e74d95236..468c8e77de21 100644
--- a/sound/soc/tegra/tegra_pcm.c
+++ b/sound/soc/tegra/tegra_pcm.c
@@ -48,6 +48,12 @@ int tegra_pcm_platform_register(struct device *dev)
}
EXPORT_SYMBOL_GPL(tegra_pcm_platform_register);

+int devm_tegra_pcm_platform_register(struct device *dev)
+{
+ return devm_snd_dmaengine_pcm_register(dev, &tegra_dmaengine_pcm_config, 0);
+}
+EXPORT_SYMBOL_GPL(devm_tegra_pcm_platform_register);
+
int tegra_pcm_platform_register_with_chan_names(struct device *dev,
struct snd_dmaengine_pcm_config *config,
char *txdmachan, char *rxdmachan)
diff --git a/sound/soc/tegra/tegra_pcm.h b/sound/soc/tegra/tegra_pcm.h
index d602126c65b7..2a36eea1740d 100644
--- a/sound/soc/tegra/tegra_pcm.h
+++ b/sound/soc/tegra/tegra_pcm.h
@@ -32,6 +32,7 @@ int tegra_pcm_hw_params(struct snd_soc_component *component,
snd_pcm_uframes_t tegra_pcm_pointer(struct snd_soc_component *component,
struct snd_pcm_substream *substream);
int tegra_pcm_platform_register(struct device *dev);
+int devm_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);
--
2.33.1