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From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
To: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
	Mark Brown <broonie@kernel.org>
Cc: Linux-ALSA <alsa-devel@alsa-project.org>
Subject: Re: [alsa-devel] [PATCH 12/21] ASoC: soc-core: use snd_soc_lookup_component() at snd_soc_unregister_component()
Date: Thu, 10 Oct 2019 10:19:09 -0500
Message-ID: <562d76de-c724-e98b-ce7d-105a88bf17ce@linux.intel.com> (raw)
In-Reply-To: <87bluqilqm.wl-kuninori.morimoto.gx@renesas.com>



On 10/8/19 11:30 PM, Kuninori Morimoto wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> 
> snd_soc_unregister_component() is now finding component manually,
> but we already have snd_soc_lookup_component() to find component;
> Let's use existing function.
> 
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> ---
>   sound/soc/soc-core.c | 25 +++++++------------------
>   1 file changed, 7 insertions(+), 18 deletions(-)
> 
> diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
> index 7c0bb32..3e8ed4f 100644
> --- a/sound/soc/soc-core.c
> +++ b/sound/soc/soc-core.c
> @@ -2823,8 +2823,10 @@ static void snd_soc_try_rebind_card(void)
>   
>   static void snd_soc_del_component(struct snd_soc_component *component)
>   {
> +	mutex_lock(&client_mutex);
>   	snd_soc_unregister_dais(component);
>   	snd_soc_component_del(component);
> +	mutex_unlock(&client_mutex);
>   }
>   
>   int snd_soc_add_component(struct device *dev,
> @@ -2887,29 +2889,16 @@ EXPORT_SYMBOL_GPL(snd_soc_register_component);
>    *
>    * @dev: The device to unregister
>    */
> -static int __snd_soc_unregister_component(struct device *dev)
> +void snd_soc_unregister_component(struct device *dev)
>   {
>   	struct snd_soc_component *component;
> -	int found = 0;
> -
> -	mutex_lock(&client_mutex);
> -	for_each_component(component) {
> -		if (dev != component->dev)
> -			continue;
>   
> +	while (1) {
> +		component = snd_soc_lookup_component(dev, NULL);
> +		if (!component)
> +			break;
>   		snd_soc_del_component(component);

is it ok/intended that the mutex lock is now taken *after* looking up 
the component and after each iteration ?

> -		found = 1;
> -		break;
>   	}
> -	mutex_unlock(&client_mutex);
> -
> -	return found;
> -}
> -
> -void snd_soc_unregister_component(struct device *dev)
> -{
> -	while (__snd_soc_unregister_component(dev))
> -		;
>   }
>   EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
>   
> 
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Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-09  4:29 [alsa-devel] [PATCH 00/21] ASoC: soc-core cleanup - step 4 Kuninori Morimoto
2019-10-09  4:29 ` [alsa-devel] [PATCH 01/21] ASoC: soc-core: remove for_each_rtdcom_safe() Kuninori Morimoto
2019-10-09  4:29 ` [alsa-devel] [PATCH 02/21] ASoC: soc-core: add for_each_rtd_components() and replace Kuninori Morimoto
2019-10-09  4:30 ` [alsa-devel] [PATCH 03/21] ASoC: soc-core: move soc_init_dai_link() Kuninori Morimoto
2019-10-09  4:30 ` [alsa-devel] [PATCH 04/21] ASoC: soc-core: rename soc_init_dai_link() to soc_dai_link_sanity_check() Kuninori Morimoto
2019-10-10 14:17   ` Pierre-Louis Bossart
2019-10-11  1:19     ` Kuninori Morimoto
2019-10-11 13:38       ` Pierre-Louis Bossart
2019-10-09  4:30 ` [alsa-devel] [PATCH 05/21] ASoC: soc-core: remove duplicated soc_is_dai_link_bound() Kuninori Morimoto
2019-10-10 15:09   ` Pierre-Louis Bossart
2019-10-09  4:30 ` [alsa-devel] [PATCH 06/21] ASoC: soc-core: call soc_bind_dai_link() under snd_soc_add_dai_link() Kuninori Morimoto
2019-10-09  4:30 ` [alsa-devel] [PATCH 07/21] ASoC: soc-core: add soc_unbind_dai_link() Kuninori Morimoto
2019-10-09  4:30 ` [alsa-devel] [PATCH 08/21] ASoC: soc-core: snd_soc_unbind_card() cleanup Kuninori Morimoto
2019-10-09  4:30 ` [alsa-devel] [PATCH 09/21] ASoC: soc-core: remove unneeded snd_soc_tplg_component_remove() Kuninori Morimoto
2019-10-10 15:09   ` Pierre-Louis Bossart
2019-10-11  1:30     ` Kuninori Morimoto
2019-10-11 13:40       ` Pierre-Louis Bossart
2019-10-09  4:30 ` [alsa-devel] [PATCH 10/21] ASoC: soc-core: move snd_soc_lookup_component() Kuninori Morimoto
2019-10-09  4:30 ` [alsa-devel] [PATCH 11/21] ASoC: soc-core: add snd_soc_del_component() Kuninori Morimoto
2019-10-10 15:16   ` Pierre-Louis Bossart
2019-10-11  1:35     ` Kuninori Morimoto
2019-10-09  4:30 ` [alsa-devel] [PATCH 12/21] ASoC: soc-core: use snd_soc_lookup_component() at snd_soc_unregister_component() Kuninori Morimoto
2019-10-10 15:19   ` Pierre-Louis Bossart [this message]
2019-10-11  1:38     ` Kuninori Morimoto
2019-10-09  4:30 ` [alsa-devel] [PATCH 13/21] ASoC: soc-core: move snd_soc_register_dai() Kuninori Morimoto
2019-10-09  4:30 ` [alsa-devel] [PATCH 14/21] ASoC: soc-core: have legacy_dai_naming at snd_soc_register_dai() Kuninori Morimoto
2019-10-10 15:26   ` Pierre-Louis Bossart
2019-10-11  1:07     ` Kuninori Morimoto
2019-10-11 13:43       ` Pierre-Louis Bossart
2019-10-09  4:30 ` [alsa-devel] [PATCH 15/21] ASoC: soc-core: move snd_soc_unregister_dais() Kuninori Morimoto
2019-10-09  4:31 ` [alsa-devel] [PATCH 16/21] ASoC: soc-core: add snd_soc_unregister_dai() Kuninori Morimoto
2019-10-09  4:31 ` [alsa-devel] [PATCH 17/21] ASoC: soc-core: don't call snd_soc_dapm_new_dai_widgets() at snd_soc_register_dai() Kuninori Morimoto
2019-10-09  4:31 ` [alsa-devel] [PATCH 18/21] ASoC: soc-core: use mutex_lock() at snd_soc_add_component() Kuninori Morimoto
2019-10-10 15:29   ` Pierre-Louis Bossart
2019-10-09  4:31 ` [alsa-devel] [PATCH 19/21] ASoC: soc-core: call snd_soc_register_dai() from snd_soc_register_dais() Kuninori Morimoto
2019-10-10 15:34   ` Pierre-Louis Bossart
2019-10-11  1:44     ` Kuninori Morimoto
2019-10-09  4:31 ` [alsa-devel] [PATCH 20/21] ASoC: soc-core: remove topology specific operation Kuninori Morimoto
2019-10-09  4:31 ` [alsa-devel] [PATCH 21/21] ASoC: soc.h: dobj is used only when SND_SOC_TOPOLOGY Kuninori Morimoto
2019-10-09 14:16 ` [alsa-devel] [PATCH 00/21] ASoC: soc-core cleanup - step 4 Pierre-Louis Bossart
2019-10-10 15:38 ` Pierre-Louis Bossart
2019-10-11  1:53   ` Kuninori Morimoto

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