ASoC: Remove card's DAI list

Commit f0fba2ad ("ASoC: multi-component - ASoC Multi-Component Support") added
a per card list that keeps track of all the DAIs that have been registered with
the card, but the list has never been used. This patch removes it again.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>

include/sound/soc-dai.h

@@ -277,7 +277,6 @@ struct snd_soc_dai {
 	struct snd_soc_card *card;
 
 	struct list_head list;
-	struct list_head card_list;
 };
 
 static inline void *snd_soc_dai_get_dma_data(const struct snd_soc_dai *dai,

include/sound/soc.h

@@ -1021,7 +1021,6 @@ struct snd_soc_card {
 	/* lists of probed devices belonging to this card */
 	struct list_head codec_dev_list;
 	struct list_head platform_dev_list;
-	struct list_head dai_dev_list;
 
 	struct list_head widgets;
 	struct list_head paths;
@@ -1207,7 +1206,6 @@ static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd)
 
 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
 {
-	INIT_LIST_HEAD(&card->dai_dev_list);
 	INIT_LIST_HEAD(&card->codec_dev_list);
 	INIT_LIST_HEAD(&card->platform_dev_list);
 	INIT_LIST_HEAD(&card->widgets);

sound/soc/soc-core.c

@@ -1017,7 +1017,6 @@ static void soc_remove_codec_dai(struct snd_soc_dai *codec_dai, int order)
 					codec_dai->name, err);
 		}
 		codec_dai->probed = 0;
-		list_del(&codec_dai->card_list);
 	}
 }
 
@@ -1049,7 +1048,6 @@ static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
 					cpu_dai->name, err);
 		}
 		cpu_dai->probed = 0;
-		list_del(&cpu_dai->card_list);
 
 		if (!cpu_dai->codec) {
 			snd_soc_dapm_free(&cpu_dai->dapm);
@@ -1405,7 +1403,6 @@ static int soc_probe_codec_dai(struct snd_soc_card *card,
 
 		/* mark codec_dai as probed and add to card dai list */
 		codec_dai->probed = 1;
-		list_add(&codec_dai->card_list, &card->dai_dev_list);
 	}
 
 	return 0;
@@ -1490,8 +1487,6 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
 			}
 		}
 		cpu_dai->probed = 1;
-		/* mark cpu_dai as probed and add to card dai list */
-		list_add(&cpu_dai->card_list, &card->dai_dev_list);
 	}
 
 	/* probe the CODEC DAI */