From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com

We need to cleanup card resources when snd_soc_instantiate_card() was failed, or when snd_soc_unbind_card() was called. But they are cleanuping card resources on each way. Same code in many places makes code un-understandable.

This patch reuses soc_cleanup_card_resources() for cleanuping code resource. Then, it makes avoiding cleanup order. It will be called from snd_soc_instantiate_card() and snd_soc_unbind_card().

Then, original soc_cleanup_card_resources() included snd_soc_flush_all_delayed_work(), but it is now separated.

Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- sound/soc/soc-core.c | 103 +++++++++++++++++++++------------------------------ 1 file changed, 43 insertions(+), 60 deletions(-)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 8b661eb..f3fe476 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1980,6 +1980,29 @@ static void soc_check_tplg_fes(struct snd_soc_card *card) } }

+static int soc_cleanup_card_resources(struct snd_soc_card *card) +{ + /* free the ALSA card at first; this syncs with pending operations */ + if (card->snd_card) + snd_card_free(card->snd_card); + + /* remove and free each DAI */ + soc_remove_dai_links(card); + soc_remove_pcm_runtimes(card); + + /* remove auxiliary devices */ + soc_remove_aux_devices(card); + + snd_soc_dapm_free(&card->dapm); + soc_cleanup_card_debugfs(card); + + /* remove the card */ + if (card->remove) + card->remove(card); + + return 0; +} + static int snd_soc_instantiate_card(struct snd_soc_card *card) { struct snd_soc_pcm_runtime *rtd; @@ -1989,6 +2012,11 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card) mutex_lock(&client_mutex); mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT);

+ card->dapm.bias_level = SND_SOC_BIAS_OFF; + card->dapm.dev = card->dev; + card->dapm.card = card; + list_add(&card->dapm.list, &card->dapm_list); + /* check whether any platform is ignore machine FE and using topology */ soc_check_tplg_fes(card);

@@ -1996,14 +2024,14 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card) for_each_card_prelinks(card, i, dai_link) { ret = soc_bind_dai_link(card, dai_link); if (ret != 0) - goto base_error; + goto probe_end; }

/* bind aux_devs too */ for (i = 0; i < card->num_aux_devs; i++) { ret = soc_bind_aux_dev(card, i); if (ret != 0) - goto base_error; + goto probe_end; }

/* add predefined DAI links to the list */ @@ -2017,16 +2045,11 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card) dev_err(card->dev, "ASoC: can't create sound card for card %s: %d\n", card->name, ret); - goto base_error; + goto probe_end; }

soc_init_card_debugfs(card);

- card->dapm.bias_level = SND_SOC_BIAS_OFF; - card->dapm.dev = card->dev; - card->dapm.card = card; - list_add(&card->dapm.list, &card->dapm_list); - #ifdef CONFIG_DEBUG_FS snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root); #endif @@ -2048,7 +2071,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card) if (card->probe) { ret = card->probe(card); if (ret < 0) - goto card_probe_error; + goto probe_end; }

/* probe all components used by DAI links on this card */ @@ -2059,7 +2082,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card) dev_err(card->dev, "ASoC: failed to instantiate card %d\n", ret); - goto probe_dai_err; + goto probe_end; } } } @@ -2067,7 +2090,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card) /* probe auxiliary components */ ret = soc_probe_aux_devices(card); if (ret < 0) - goto probe_dai_err; + goto probe_end;

/* * Find new DAI links added during probing components and bind them. @@ -2079,10 +2102,10 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)

ret = soc_init_dai_link(card, dai_link); if (ret) - goto probe_dai_err; + goto probe_end; ret = soc_bind_dai_link(card, dai_link); if (ret) - goto probe_dai_err; + goto probe_end; }

/* probe all DAI links on this card */ @@ -2093,7 +2116,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card) dev_err(card->dev, "ASoC: failed to instantiate card %d\n", ret); - goto probe_dai_err; + goto probe_end; } } } @@ -2140,7 +2163,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card) if (ret < 0) { dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n", card->name, ret); - goto probe_aux_dev_err; + goto probe_end; } }

@@ -2150,33 +2173,17 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card) if (ret < 0) { dev_err(card->dev, "ASoC: failed to register soundcard %d\n", ret); - goto probe_aux_dev_err; + goto probe_end; }

card->instantiated = 1; dapm_mark_endpoints_dirty(card); snd_soc_dapm_sync(&card->dapm); - mutex_unlock(&card->mutex); - mutex_unlock(&client_mutex); - - return 0;

-probe_aux_dev_err: - soc_remove_aux_devices(card); - -probe_dai_err: - soc_remove_dai_links(card); - -card_probe_error: - if (card->remove) - card->remove(card); - - snd_soc_dapm_free(&card->dapm); - soc_cleanup_card_debugfs(card); - snd_card_free(card->snd_card); +probe_end: + if (ret < 0) + soc_cleanup_card_resources(card);

-base_error: - soc_remove_pcm_runtimes(card); mutex_unlock(&card->mutex); mutex_unlock(&client_mutex);

@@ -2205,31 +2212,6 @@ static int soc_probe(struct platform_device *pdev) return snd_soc_register_card(card); }

-static int soc_cleanup_card_resources(struct snd_soc_card *card) -{ - /* make sure any delayed work runs */ - snd_soc_flush_all_delayed_work(card); - - /* free the ALSA card at first; this syncs with pending operations */ - snd_card_free(card->snd_card); - - /* remove and free each DAI */ - soc_remove_dai_links(card); - soc_remove_pcm_runtimes(card); - - /* remove auxiliary devices */ - soc_remove_aux_devices(card); - - snd_soc_dapm_free(&card->dapm); - soc_cleanup_card_debugfs(card); - - /* remove the card */ - if (card->remove) - card->remove(card); - - return 0; -} - /* removes a socdev */ static int soc_remove(struct platform_device *pdev) { @@ -2795,6 +2777,7 @@ static void snd_soc_unbind_card(struct snd_soc_card *card, bool unregister) if (card->instantiated) { card->instantiated = false; snd_soc_dapm_shutdown(card); + snd_soc_flush_all_delayed_work(card); soc_cleanup_card_resources(card); if (!unregister) list_add(&card->list, &unbind_card_list);