From a0b03a616b08cf9d709812ff5cf7e9c0958d6807 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 4 Sep 2013 20:37:34 +0100 Subject: ASoC: core: Implement devm_snd_soc_register_component() Since with the wider use of devres many drivers are now only calling snd_soc_unregister_component() in their remove functions providing a managed version will save a reasonable amount of code. Signed-off-by: Mark Brown --- include/sound/soc.h | 3 +++ sound/soc/Makefile | 2 +- sound/soc/soc-devres.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 56 insertions(+), 1 deletion(-) create mode 100644 sound/soc/soc-devres.c diff --git a/include/sound/soc.h b/include/sound/soc.h index d22cb0a06feb..b970f019b452 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -386,6 +386,9 @@ void snd_soc_unregister_codec(struct device *dev); int snd_soc_register_component(struct device *dev, const struct snd_soc_component_driver *cmpnt_drv, struct snd_soc_dai_driver *dai_drv, int num_dai); +int devm_snd_soc_register_component(struct device *dev, + const struct snd_soc_component_driver *cmpnt_drv, + struct snd_soc_dai_driver *dai_drv, int num_dai); void snd_soc_unregister_component(struct device *dev); int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, unsigned int reg); diff --git a/sound/soc/Makefile b/sound/soc/Makefile index 61a64d281905..8b9e70105dd2 100644 --- a/sound/soc/Makefile +++ b/sound/soc/Makefile @@ -1,5 +1,5 @@ snd-soc-core-objs := soc-core.o soc-dapm.o soc-jack.o soc-cache.o soc-utils.o -snd-soc-core-objs += soc-pcm.o soc-compress.o soc-io.o +snd-soc-core-objs += soc-pcm.o soc-compress.o soc-io.o soc-devres.o ifneq ($(CONFIG_SND_SOC_GENERIC_DMAENGINE_PCM),) snd-soc-core-objs += soc-generic-dmaengine-pcm.o diff --git a/sound/soc/soc-devres.c b/sound/soc/soc-devres.c new file mode 100644 index 000000000000..13fe86f7c9a8 --- /dev/null +++ b/sound/soc/soc-devres.c @@ -0,0 +1,52 @@ +/* + * soc-devres.c -- ALSA SoC Audio Layer devres functions + * + * Copyright (C) 2013 Linaro Ltd + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include +#include +#include + +static void devm_component_release(struct device *dev, void *res) +{ + snd_soc_unregister_component(*(struct device **)res); +} + +/** + * devm_snd_soc_register_component - resource managed component registration + * @dev: Device used to manage component + * @cmpnt_drv: Component driver + * @dai_drv: DAI driver + * @num_dai: Number of DAIs to register + * + * Register a component with automatic unregistration when the device is + * unregistered. + */ +int devm_snd_soc_register_component(struct device *dev, + const struct snd_soc_component_driver *cmpnt_drv, + struct snd_soc_dai_driver *dai_drv, int num_dai) +{ + struct device **ptr; + int ret; + + ptr = devres_alloc(devm_component_release, sizeof(*ptr), GFP_KERNEL); + if (!ptr) + return -ENOMEM; + + ret = snd_soc_register_component(dev, cmpnt_drv, dai_drv, num_dai); + if (ret == 0) { + *ptr = dev; + devres_add(dev, ptr); + } else { + devres_free(ptr); + } + + return ret; +} +EXPORT_SYMBOL_GPL(devm_snd_soc_register_component); -- cgit v1.2.3 From 0e4ff5c806263bf40ee5409ac283b776f0c11e41 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 16 Sep 2013 18:02:05 +0100 Subject: ASoC: core: Add devm_snd_soc_register_card() Simplify error handling and remove repetitive (and rarely executed) code for unregistration by providing a devm_snd_soc_register() card. Signed-off-by: Mark Brown Acked-by: Liam Girdwood --- include/sound/soc.h | 1 + sound/soc/soc-devres.c | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/include/sound/soc.h b/include/sound/soc.h index b970f019b452..d44728ab2be0 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -369,6 +369,7 @@ int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, int snd_soc_register_card(struct snd_soc_card *card); int snd_soc_unregister_card(struct snd_soc_card *card); +int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); int snd_soc_suspend(struct device *dev); int snd_soc_resume(struct device *dev); int snd_soc_poweroff(struct device *dev); diff --git a/sound/soc/soc-devres.c b/sound/soc/soc-devres.c index 13fe86f7c9a8..b1d732255c02 100644 --- a/sound/soc/soc-devres.c +++ b/sound/soc/soc-devres.c @@ -50,3 +50,37 @@ int devm_snd_soc_register_component(struct device *dev, return ret; } EXPORT_SYMBOL_GPL(devm_snd_soc_register_component); + +static void devm_card_release(struct device *dev, void *res) +{ + snd_soc_unregister_card(*(struct snd_soc_card **)res); +} + +/** + * devm_snd_soc_register_card - resource managed card registration + * @dev: Device used to manage card + * @card: Card to register + * + * Register a card with automatic unregistration when the device is + * unregistered. + */ +int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card) +{ + struct device **ptr; + int ret; + + ptr = devres_alloc(devm_card_release, sizeof(*ptr), GFP_KERNEL); + if (!ptr) + return -ENOMEM; + + ret = snd_soc_register_card(card); + if (ret == 0) { + *ptr = dev; + devres_add(dev, ptr); + } else { + devres_free(ptr); + } + + return ret; +} +EXPORT_SYMBOL_GPL(devm_snd_soc_register_card); -- cgit v1.2.3 From 01984a47e21a7d36cea0d6c0933c8173391721fc Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Tue, 17 Sep 2013 09:42:46 +0530 Subject: ASoC: imx-sgtl5000: Use devm_snd_soc_register_card devm_snd_soc_register_card makes code simpler. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown --- sound/soc/fsl/imx-sgtl5000.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/sound/soc/fsl/imx-sgtl5000.c b/sound/soc/fsl/imx-sgtl5000.c index 46c5b4fdfc52..78f86d870b11 100644 --- a/sound/soc/fsl/imx-sgtl5000.c +++ b/sound/soc/fsl/imx-sgtl5000.c @@ -159,7 +159,7 @@ static int imx_sgtl5000_probe(struct platform_device *pdev) data->card.dapm_widgets = imx_sgtl5000_dapm_widgets; data->card.num_dapm_widgets = ARRAY_SIZE(imx_sgtl5000_dapm_widgets); - ret = snd_soc_register_card(&data->card); + ret = devm_snd_soc_register_card(&pdev->dev, &data->card); if (ret) { dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); goto fail; @@ -180,15 +180,6 @@ fail: return ret; } -static int imx_sgtl5000_remove(struct platform_device *pdev) -{ - struct imx_sgtl5000_data *data = platform_get_drvdata(pdev); - - snd_soc_unregister_card(&data->card); - - return 0; -} - static const struct of_device_id imx_sgtl5000_dt_ids[] = { { .compatible = "fsl,imx-audio-sgtl5000", }, { /* sentinel */ } @@ -202,7 +193,6 @@ static struct platform_driver imx_sgtl5000_driver = { .of_match_table = imx_sgtl5000_dt_ids, }, .probe = imx_sgtl5000_probe, - .remove = imx_sgtl5000_remove, }; module_platform_driver(imx_sgtl5000_driver); -- cgit v1.2.3 From ff27d9b3d6dd26013537e4f8162627169ca92af4 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Tue, 17 Sep 2013 09:42:47 +0530 Subject: ASoC: imx-spdif: Use devm_snd_soc_register_card devm_snd_soc_register_card makes code simpler. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown --- sound/soc/fsl/imx-spdif.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/sound/soc/fsl/imx-spdif.c b/sound/soc/fsl/imx-spdif.c index 816013b0ebba..8499d5292f08 100644 --- a/sound/soc/fsl/imx-spdif.c +++ b/sound/soc/fsl/imx-spdif.c @@ -87,7 +87,7 @@ static int imx_spdif_audio_probe(struct platform_device *pdev) if (ret) goto error_dir; - ret = snd_soc_register_card(&data->card); + ret = devm_snd_soc_register_card(&pdev->dev, &data->card); if (ret) { dev_err(&pdev->dev, "snd_soc_register_card failed: %d\n", ret); goto error_dir; @@ -119,8 +119,6 @@ static int imx_spdif_audio_remove(struct platform_device *pdev) if (data->txdev) platform_device_unregister(data->txdev); - snd_soc_unregister_card(&data->card); - return 0; } -- cgit v1.2.3 From eafbae2919e24b6ed7078464b2c8b2313ac0252c Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Tue, 17 Sep 2013 09:42:48 +0530 Subject: ASoC: imx-wm8962: Use devm_snd_soc_register_card devm_snd_soc_register_card makes code simpler. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown --- sound/soc/fsl/imx-wm8962.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sound/soc/fsl/imx-wm8962.c b/sound/soc/fsl/imx-wm8962.c index 722afe69169e..6c6066618f3b 100644 --- a/sound/soc/fsl/imx-wm8962.c +++ b/sound/soc/fsl/imx-wm8962.c @@ -266,7 +266,7 @@ static int imx_wm8962_probe(struct platform_device *pdev) data->card.late_probe = imx_wm8962_late_probe; data->card.set_bias_level = imx_wm8962_set_bias_level; - ret = snd_soc_register_card(&data->card); + ret = devm_snd_soc_register_card(&pdev->dev, &data->card); if (ret) { dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); goto clk_fail; @@ -296,7 +296,6 @@ static int imx_wm8962_remove(struct platform_device *pdev) if (!IS_ERR(data->codec_clk)) clk_disable_unprepare(data->codec_clk); - snd_soc_unregister_card(&data->card); return 0; } -- cgit v1.2.3 From 33c89c30afd7b6a309638d8d9b88481118d0a3ec Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Tue, 17 Sep 2013 09:49:04 +0530 Subject: ASoC: mfld: Use devm_snd_soc_register_card devm_snd_soc_register_card makes code simpler. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown --- sound/soc/mid-x86/mfld_machine.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/sound/soc/mid-x86/mfld_machine.c b/sound/soc/mid-x86/mfld_machine.c index ee363845759e..d3d4c32434f7 100644 --- a/sound/soc/mid-x86/mfld_machine.c +++ b/sound/soc/mid-x86/mfld_machine.c @@ -400,7 +400,7 @@ static int snd_mfld_mc_probe(struct platform_device *pdev) } /* register the soc card */ snd_soc_card_mfld.dev = &pdev->dev; - ret_val = snd_soc_register_card(&snd_soc_card_mfld); + ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_mfld); if (ret_val) { pr_debug("snd_soc_register_card failed %d\n", ret_val); return ret_val; @@ -410,20 +410,12 @@ static int snd_mfld_mc_probe(struct platform_device *pdev) return 0; } -static int snd_mfld_mc_remove(struct platform_device *pdev) -{ - pr_debug("snd_mfld_mc_remove called\n"); - snd_soc_unregister_card(&snd_soc_card_mfld); - return 0; -} - static struct platform_driver snd_mfld_mc_driver = { .driver = { .owner = THIS_MODULE, .name = "msic_audio", }, .probe = snd_mfld_mc_probe, - .remove = snd_mfld_mc_remove, }; module_platform_driver(snd_mfld_mc_driver); -- cgit v1.2.3 From 67a48b8181b0c981c59acf06f056e00184d3debd Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Tue, 17 Sep 2013 09:53:59 +0530 Subject: ASoC: omap-twl4030: Use devm_snd_soc_register_card devm_snd_soc_register_card makes code simpler. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown --- sound/soc/omap/omap-twl4030.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/sound/soc/omap/omap-twl4030.c b/sound/soc/omap/omap-twl4030.c index 2a9324f794d8..6a8d6b5f160d 100644 --- a/sound/soc/omap/omap-twl4030.c +++ b/sound/soc/omap/omap-twl4030.c @@ -338,9 +338,9 @@ static int omap_twl4030_probe(struct platform_device *pdev) } snd_soc_card_set_drvdata(card, priv); - ret = snd_soc_register_card(card); + ret = devm_snd_soc_register_card(&pdev->dev, card); if (ret) { - dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + dev_err(&pdev->dev, "devm_snd_soc_register_card() failed: %d\n", ret); return ret; } @@ -357,7 +357,6 @@ static int omap_twl4030_remove(struct platform_device *pdev) snd_soc_jack_free_gpios(&priv->hs_jack, ARRAY_SIZE(hs_jack_gpios), hs_jack_gpios); - snd_soc_unregister_card(card); return 0; } -- cgit v1.2.3 From 256218ae65d2e59ef5d257355791a62af7d31b3c Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Tue, 17 Sep 2013 10:13:49 +0530 Subject: ASoC: fsl_spdif: Use devm_snd_soc_register_component devm_snd_soc_register_component makes code simpler. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown --- sound/soc/fsl/fsl_spdif.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c index 3920c3e849ce..44378e6e2696 100644 --- a/sound/soc/fsl/fsl_spdif.c +++ b/sound/soc/fsl/fsl_spdif.c @@ -1172,23 +1172,16 @@ static int fsl_spdif_probe(struct platform_device *pdev) /* Register with ASoC */ dev_set_drvdata(&pdev->dev, spdif_priv); - ret = snd_soc_register_component(&pdev->dev, &fsl_spdif_component, - &spdif_priv->cpu_dai_drv, 1); + ret = devm_snd_soc_register_component(&pdev->dev, &fsl_spdif_component, + &spdif_priv->cpu_dai_drv, 1); if (ret) { dev_err(&pdev->dev, "failed to register DAI: %d\n", ret); return ret; } ret = imx_pcm_dma_init(pdev); - if (ret) { + if (ret) dev_err(&pdev->dev, "imx_pcm_dma_init failed: %d\n", ret); - goto error_component; - } - - return ret; - -error_component: - snd_soc_unregister_component(&pdev->dev); return ret; } @@ -1196,7 +1189,6 @@ error_component: static int fsl_spdif_remove(struct platform_device *pdev) { imx_pcm_dma_exit(pdev); - snd_soc_unregister_component(&pdev->dev); return 0; } -- cgit v1.2.3 From fcd70eb50e2d572a67839410aa30f6b545355980 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Tue, 17 Sep 2013 10:20:09 +0530 Subject: ASoC: mxs-saif: Use devm_snd_soc_register_component devm_snd_soc_register_component makes code simpler. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown --- sound/soc/mxs/mxs-saif.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/sound/soc/mxs/mxs-saif.c b/sound/soc/mxs/mxs-saif.c index b56b8a0e8deb..14152f6f70dd 100644 --- a/sound/soc/mxs/mxs-saif.c +++ b/sound/soc/mxs/mxs-saif.c @@ -768,8 +768,8 @@ static int mxs_saif_probe(struct platform_device *pdev) dev_warn(&pdev->dev, "failed to init clocks\n"); } - ret = snd_soc_register_component(&pdev->dev, &mxs_saif_component, - &mxs_saif_dai, 1); + ret = devm_snd_soc_register_component(&pdev->dev, &mxs_saif_component, + &mxs_saif_dai, 1); if (ret) { dev_err(&pdev->dev, "register DAI failed\n"); return ret; @@ -778,21 +778,15 @@ static int mxs_saif_probe(struct platform_device *pdev) ret = mxs_pcm_platform_register(&pdev->dev); if (ret) { dev_err(&pdev->dev, "register PCM failed: %d\n", ret); - goto failed_pdev_alloc; + return ret; } return 0; - -failed_pdev_alloc: - snd_soc_unregister_component(&pdev->dev); - - return ret; } static int mxs_saif_remove(struct platform_device *pdev) { mxs_pcm_platform_unregister(&pdev->dev); - snd_soc_unregister_component(&pdev->dev); return 0; } -- cgit v1.2.3 From 6c3cc302a48acdd3797d694ae4a2be82bb71a05a Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Tue, 17 Sep 2013 10:28:02 +0530 Subject: ASoC: omap-mcpdm: Use devm_snd_soc_register_component devm_snd_soc_register_component makes code simpler. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown --- sound/soc/omap/omap-mcpdm.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c index 90d2a7cd2563..cd9ee167959d 100644 --- a/sound/soc/omap/omap-mcpdm.c +++ b/sound/soc/omap/omap-mcpdm.c @@ -490,14 +490,9 @@ static int asoc_mcpdm_probe(struct platform_device *pdev) mcpdm->dev = &pdev->dev; - return snd_soc_register_component(&pdev->dev, &omap_mcpdm_component, - &omap_mcpdm_dai, 1); -} - -static int asoc_mcpdm_remove(struct platform_device *pdev) -{ - snd_soc_unregister_component(&pdev->dev); - return 0; + return devm_snd_soc_register_component(&pdev->dev, + &omap_mcpdm_component, + &omap_mcpdm_dai, 1); } static const struct of_device_id omap_mcpdm_of_match[] = { @@ -514,7 +509,6 @@ static struct platform_driver asoc_mcpdm_driver = { }, .probe = asoc_mcpdm_probe, - .remove = asoc_mcpdm_remove, }; module_platform_driver(asoc_mcpdm_driver); -- cgit v1.2.3 From 9ff50721e47ab0abb8b93159170f67262886ef0d Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Tue, 17 Sep 2013 10:32:48 +0530 Subject: ASoC: mmp-sspa: Use devm_snd_soc_register_component devm_snd_soc_register_component makes code simpler. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown --- sound/soc/pxa/mmp-sspa.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/sound/soc/pxa/mmp-sspa.c b/sound/soc/pxa/mmp-sspa.c index 41752a5fe3b0..5bf5f1f7cac5 100644 --- a/sound/soc/pxa/mmp-sspa.c +++ b/sound/soc/pxa/mmp-sspa.c @@ -455,8 +455,8 @@ static int asoc_mmp_sspa_probe(struct platform_device *pdev) priv->dai_fmt = (unsigned int) -1; platform_set_drvdata(pdev, priv); - return snd_soc_register_component(&pdev->dev, &mmp_sspa_component, - &mmp_sspa_dai, 1); + return devm_snd_soc_register_component(&pdev->dev, &mmp_sspa_component, + &mmp_sspa_dai, 1); } static int asoc_mmp_sspa_remove(struct platform_device *pdev) @@ -466,7 +466,6 @@ static int asoc_mmp_sspa_remove(struct platform_device *pdev) clk_disable(priv->audio_clk); clk_put(priv->audio_clk); clk_put(priv->sysclk); - snd_soc_unregister_component(&pdev->dev); return 0; } -- cgit v1.2.3 From 4fa8dbc18e8a57ea21c63103abdea042ab923202 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Mon, 30 Sep 2013 22:17:37 -0300 Subject: ASoC: fsl: imx-sgtl5000: Add .remove back Commit e8f00c1b01 (Merge remote-tracking branch 'asoc/fix/fsl' into asoc-devm) fixed a conflict, but missed to add the .remove function back,which causes the following build warning: sound/soc/fsl/imx-sgtl5000.c:185:12: warning: 'imx_sgtl5000_remove' defined but not used [-Wunused-function] Fix the warning by adding the .remove function back. Reported-by: Olof Johansson Signed-off-by: Fabio Estevam Signed-off-by: Mark Brown --- sound/soc/fsl/imx-sgtl5000.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/fsl/imx-sgtl5000.c b/sound/soc/fsl/imx-sgtl5000.c index 6f4bdc89ae3c..ed6ba1eba557 100644 --- a/sound/soc/fsl/imx-sgtl5000.c +++ b/sound/soc/fsl/imx-sgtl5000.c @@ -204,6 +204,7 @@ static struct platform_driver imx_sgtl5000_driver = { .of_match_table = imx_sgtl5000_dt_ids, }, .probe = imx_sgtl5000_probe, + .remove = imx_sgtl5000_remove, }; module_platform_driver(imx_sgtl5000_driver); -- cgit v1.2.3