Same as the commit 518de86 (ASoC: tegra: register 'platform' from DAIs, get rid of pdev), it makes mxs-pcm not a platform_driver but helper to register "platform", so that the platform_device for mxs-pcm can be saved completely.
Signed-off-by: Shawn Guo shawn.guo@linaro.org --- sound/soc/mxs/mxs-pcm.c | 24 ++++++------------------ sound/soc/mxs/mxs-pcm.h | 3 +++ sound/soc/mxs/mxs-saif.c | 18 ++++-------------- sound/soc/mxs/mxs-saif.h | 1 - sound/soc/mxs/mxs-sgtl5000.c | 4 ++-- 5 files changed, 15 insertions(+), 35 deletions(-)
diff --git a/sound/soc/mxs/mxs-pcm.c b/sound/soc/mxs/mxs-pcm.c index e373fbb..373dec9 100644 --- a/sound/soc/mxs/mxs-pcm.c +++ b/sound/soc/mxs/mxs-pcm.c @@ -220,28 +220,16 @@ static struct snd_soc_platform_driver mxs_soc_platform = { .pcm_free = mxs_pcm_free, };
-static int __devinit mxs_soc_platform_probe(struct platform_device *pdev) +int __devinit mxs_pcm_platform_register(struct device *dev) { - return snd_soc_register_platform(&pdev->dev, &mxs_soc_platform); + return snd_soc_register_platform(dev, &mxs_soc_platform); } +EXPORT_SYMBOL_GPL(mxs_pcm_platform_register);
-static int __devexit mxs_soc_platform_remove(struct platform_device *pdev) +void __devexit mxs_pcm_platform_unregister(struct device *dev) { - snd_soc_unregister_platform(&pdev->dev); - - return 0; + snd_soc_unregister_platform(dev); } - -static struct platform_driver mxs_pcm_driver = { - .driver = { - .name = "mxs-pcm-audio", - .owner = THIS_MODULE, - }, - .probe = mxs_soc_platform_probe, - .remove = __devexit_p(mxs_soc_platform_remove), -}; - -module_platform_driver(mxs_pcm_driver); +EXPORT_SYMBOL_GPL(mxs_pcm_platform_unregister);
MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:mxs-pcm-audio"); diff --git a/sound/soc/mxs/mxs-pcm.h b/sound/soc/mxs/mxs-pcm.h index 5f01a91..35ba2ca 100644 --- a/sound/soc/mxs/mxs-pcm.h +++ b/sound/soc/mxs/mxs-pcm.h @@ -24,4 +24,7 @@ struct mxs_pcm_dma_params { int chan_num; };
+int mxs_pcm_platform_register(struct device *dev); +void mxs_pcm_platform_unregister(struct device *dev); + #endif diff --git a/sound/soc/mxs/mxs-saif.c b/sound/soc/mxs/mxs-saif.c index a7b8657..356aad8 100644 --- a/sound/soc/mxs/mxs-saif.c +++ b/sound/soc/mxs/mxs-saif.c @@ -708,24 +708,14 @@ static int __devinit mxs_saif_probe(struct platform_device *pdev) goto failed_get_resource; }
- saif->soc_platform_pdev = platform_device_alloc( - "mxs-pcm-audio", pdev->id); - if (!saif->soc_platform_pdev) { - ret = -ENOMEM; - goto failed_pdev_alloc; - } - - platform_set_drvdata(saif->soc_platform_pdev, saif); - ret = platform_device_add(saif->soc_platform_pdev); + ret = mxs_pcm_platform_register(&pdev->dev); if (ret) { - dev_err(&pdev->dev, "failed to add soc platform device\n"); - goto failed_pdev_add; + dev_err(&pdev->dev, "register PCM failed: %d\n", ret); + goto failed_pdev_alloc; }
return 0;
-failed_pdev_add: - platform_device_put(saif->soc_platform_pdev); failed_pdev_alloc: snd_soc_unregister_dai(&pdev->dev); failed_get_resource: @@ -738,7 +728,7 @@ static int __devexit mxs_saif_remove(struct platform_device *pdev) { struct mxs_saif *saif = platform_get_drvdata(pdev);
- platform_device_unregister(saif->soc_platform_pdev); + mxs_pcm_platform_unregister(&pdev->dev); snd_soc_unregister_dai(&pdev->dev); clk_put(saif->clk);
diff --git a/sound/soc/mxs/mxs-saif.h b/sound/soc/mxs/mxs-saif.h index 12c91e4..3cb342e 100644 --- a/sound/soc/mxs/mxs-saif.h +++ b/sound/soc/mxs/mxs-saif.h @@ -123,7 +123,6 @@ struct mxs_saif { unsigned int cur_rate; unsigned int ongoing;
- struct platform_device *soc_platform_pdev; u32 fifo_underrun; u32 fifo_overrun; }; diff --git a/sound/soc/mxs/mxs-sgtl5000.c b/sound/soc/mxs/mxs-sgtl5000.c index 60f052b..e9e6112 100644 --- a/sound/soc/mxs/mxs-sgtl5000.c +++ b/sound/soc/mxs/mxs-sgtl5000.c @@ -90,7 +90,7 @@ static struct snd_soc_dai_link mxs_sgtl5000_dai[] = { .codec_dai_name = "sgtl5000", .codec_name = "sgtl5000.0-000a", .cpu_dai_name = "mxs-saif.0", - .platform_name = "mxs-pcm-audio.0", + .platform_name = "mxs-saif.0", .ops = &mxs_sgtl5000_hifi_ops, }, { .name = "HiFi Rx", @@ -98,7 +98,7 @@ static struct snd_soc_dai_link mxs_sgtl5000_dai[] = { .codec_dai_name = "sgtl5000", .codec_name = "sgtl5000.0-000a", .cpu_dai_name = "mxs-saif.1", - .platform_name = "mxs-pcm-audio.1", + .platform_name = "mxs-saif.1", .ops = &mxs_sgtl5000_hifi_ops, }, };