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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2025-05-12 02:33:16 +0000
committerMark Brown <broonie@kernel.org>2025-05-12 21:09:44 +0900
commit144d6dfc7482455eabf8e8caa974a6e8d9572705 (patch)
tree930996066542110061106f8c9e0bc32e903b444b
parent321f9db5563e1a6c89546b19bd031269aa3f17b8 (diff)
ASoC: soc-core: merge snd_soc_unregister_component() and snd_soc_unregister_component_by_driver()
We have below 2 functions, but these are very similar (A) snd_soc_unregister_component_by_driver() (B) snd_soc_unregister_component() (A) void snd_soc_unregister_component_by_driver(...) { ... (a) mutex_lock(&client_mutex); ^ (X) component = snd_soc_lookup_component_nolocked(dev, component_driver->name); | if (!component) ^^^^^^^^^^^^^^^^^^^^^^ | goto out; (b) | snd_soc_del_component_unlocked(component); v out: (c) mutex_unlock(&client_mutex); } (B) void snd_soc_unregister_component_by_driver(...) { (a) mutex_lock(&client_mutex); ^ while (1) { | (X) struct snd_soc_component *component = snd_soc_lookup_component_nolocked(dev, NULL); | ^^^^ (b) if (!component) | break; | | snd_soc_del_component_unlocked(component); v } (c) mutex_unlock(&client_mutex); } Both are calling lock (a), find component and remove it (b), and unlock (c). The big diff is whether use driver name for lookup() or not (X). Merge these into snd_soc_unregister_component_by_driver() (B), and snd_soc_unregister_component_by_driver() (A) can be macro. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://patch.msgid.link/87h61qy2vn.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--include/sound/soc.h2
-rw-r--r--sound/soc/soc-core.c30
2 files changed, 6 insertions, 26 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 8d113ee8c2bc..1fffef311c41 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -444,7 +444,7 @@ int snd_soc_register_component(struct device *dev,
int devm_snd_soc_register_component(struct device *dev,
const struct snd_soc_component_driver *component_driver,
struct snd_soc_dai_driver *dai_drv, int num_dai);
-void snd_soc_unregister_component(struct device *dev);
+#define snd_soc_unregister_component(dev) snd_soc_unregister_component_by_driver(dev, NULL)
void snd_soc_unregister_component_by_driver(struct device *dev,
const struct snd_soc_component_driver *component_driver);
struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev,
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index ab615ec113d2..67bebc339148 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2927,34 +2927,14 @@ EXPORT_SYMBOL_GPL(snd_soc_register_component);
void snd_soc_unregister_component_by_driver(struct device *dev,
const struct snd_soc_component_driver *component_driver)
{
- struct snd_soc_component *component;
+ const char *driver_name = NULL;
- if (!component_driver)
- return;
+ if (component_driver)
+ driver_name = component_driver->name;
mutex_lock(&client_mutex);
- component = snd_soc_lookup_component_nolocked(dev, component_driver->name);
- if (!component)
- goto out;
-
- snd_soc_del_component_unlocked(component);
-
-out:
- mutex_unlock(&client_mutex);
-}
-EXPORT_SYMBOL_GPL(snd_soc_unregister_component_by_driver);
-
-/**
- * snd_soc_unregister_component - Unregister all related component
- * from the ASoC core
- *
- * @dev: The device to unregister
- */
-void snd_soc_unregister_component(struct device *dev)
-{
- mutex_lock(&client_mutex);
while (1) {
- struct snd_soc_component *component = snd_soc_lookup_component_nolocked(dev, NULL);
+ struct snd_soc_component *component = snd_soc_lookup_component_nolocked(dev, driver_name);
if (!component)
break;
@@ -2963,7 +2943,7 @@ void snd_soc_unregister_component(struct device *dev)
}
mutex_unlock(&client_mutex);
}
-EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
+EXPORT_SYMBOL_GPL(snd_soc_unregister_component_by_driver);
/* Retrieve a card's name from device tree */
int snd_soc_of_parse_card_name(struct snd_soc_card *card,