Re: [PATCH v2 resend 03/18] ASoC: soc-core: tidyup soc_init_dai_link()

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On Wed, 2019-10-30 at 10:26 +0900, Kuninori Morimoto wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
> 
> soc_init_dai_link() is needed to be called before
> soc_bind_dai_link().
> 
> 	int snd_soc_instantiate_card()
> 	{
> 		for_each_card_prelinks(...) {
> (1)			ret = soc_init_dai_link(...);
> 			...
> 		}
> 		...
> 		for_each_card_prelinks(...) {
> (2)			ret = soc_bind_dai_link(...);
> 			...
> 		}
> 		...
> 		for_each_card_links(...) {
> 			...
> (A)			ret = soc_init_dai_link(...);
> 			...
> (B)			ret = soc_bind_dai_link(...);
> 		}
> 		...
> 
> (1) is for (2), and (A) is for (B)
> (1) and (2) are for card prelink   dai_link.
> (A) and (B) are for topology added dai_link.
> 
> soc_init_dai_link() is sanity check for dai_link, not initializing
> today.
> Therefore, it is confusable naming. We can rename it as sanity_check.
> 
> And this check is for soc_bind_dai_link().
> It can be more simple code if we can call it from
> soc_bind_dai_link().
> 
> This patch renames it to soc_dai_link_sanity_check(), and
> call it from soc_bind_dai_link().
> 
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
> ---
>  sound/soc/soc-core.c | 22 +++++++---------------
>  1 file changed, 7 insertions(+), 15 deletions(-)
> 
> diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
> index a141828..94763fc9c 100644
> --- a/sound/soc/soc-core.c
> +++ b/sound/soc/soc-core.c
> @@ -941,8 +941,8 @@ static bool soc_is_dai_link_bound(struct
> snd_soc_card *card,
>  	return false;
>  }
>  
> -static int soc_init_dai_link(struct snd_soc_card *card,
> -			     struct snd_soc_dai_link *link)
> +static int soc_dai_link_sanity_check(struct snd_soc_card *card,
> +				     struct snd_soc_dai_link *link)
>  {
>  	int i;
>  	struct snd_soc_dai_link_component *codec, *platform;
> @@ -1043,11 +1043,15 @@ static int soc_bind_dai_link(struct
> snd_soc_card *card,
>  	struct snd_soc_pcm_runtime *rtd;
>  	struct snd_soc_dai_link_component *codec, *platform;
>  	struct snd_soc_component *component;
> -	int i;
> +	int i, ret;
>  
>  	if (dai_link->ignore)
>  		return 0;
>  
> +	ret = soc_dai_link_sanity_check(card, dai_link);
> +	if (ret < 0)
> +		return ret;
Morimoto-san,

Should this be done after checking if soc_is_dai_link_bound() maybe?

Thanks,
Ranjani
> +
>  	dev_dbg(card->dev, "ASoC: binding %s\n", dai_link->name);
>  
>  	if (soc_is_dai_link_bound(card, dai_link)) {
> @@ -1985,15 +1989,6 @@ static int snd_soc_instantiate_card(struct
> snd_soc_card *card)
>  	int ret, i;
>  
>  	mutex_lock(&client_mutex);
> -	for_each_card_prelinks(card, i, dai_link) {
> -		ret = soc_init_dai_link(card, dai_link);
> -		if (ret) {
> -			dev_err(card->dev, "ASoC: failed to init link
> %s: %d\n",
> -				dai_link->name, ret);
> -			mutex_unlock(&client_mutex);
> -			return ret;
> -		}
> -	}
>  	mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT);
>  
>  	snd_soc_dapm_init(&card->dapm, card, NULL);
> @@ -2073,9 +2068,6 @@ static int snd_soc_instantiate_card(struct
> snd_soc_card *card)
>  		if (soc_is_dai_link_bound(card, dai_link))
>  			continue;
>  
> -		ret = soc_init_dai_link(card, dai_link);
> -		if (ret)
> -			goto probe_end;
>  		ret = soc_bind_dai_link(card, dai_link);
>  		if (ret)
>  			goto probe_end;

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