[RFC x/x v2] ASoC: remove platform related things

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Now, all platform are replaced to component.
This patch removes all platform code.

platform_list_read_file() is replaced to component_list_read_file()

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
 include/sound/soc.h      | 101 ---------------------
 sound/soc/soc-compress.c | 123 --------------------------
 sound/soc/soc-core.c     | 224 ++---------------------------------------------
 sound/soc/soc-devres.c   |  35 --------
 sound/soc/soc-io.c       |  21 -----
 sound/soc/soc-pcm.c      |  80 +----------------
 6 files changed, 12 insertions(+), 572 deletions(-)

diff --git a/include/sound/soc.h b/include/sound/soc.h
index d953912..bf0e90d 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -401,9 +401,7 @@ enum snd_soc_bias_level {
 struct snd_soc_pcm_runtime;
 struct snd_soc_dai;
 struct snd_soc_dai_driver;
-struct snd_soc_platform;
 struct snd_soc_dai_link;
-struct snd_soc_platform_driver;
 struct snd_soc_codec;
 struct snd_soc_codec_driver;
 struct snd_soc_component;
@@ -455,15 +453,6 @@ static inline int snd_soc_resume(struct device *dev)
 }
 #endif
 int snd_soc_poweroff(struct device *dev);
-int snd_soc_register_platform(struct device *dev,
-		const struct snd_soc_platform_driver *platform_drv);
-int devm_snd_soc_register_platform(struct device *dev,
-		const struct snd_soc_platform_driver *platform_drv);
-void snd_soc_unregister_platform(struct device *dev);
-int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
-		const struct snd_soc_platform_driver *platform_drv);
-void snd_soc_remove_platform(struct snd_soc_platform *platform);
-struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
 int snd_soc_register_codec(struct device *dev,
 		const struct snd_soc_codec_driver *codec_drv,
 		struct snd_soc_dai_driver *dai_drv, int num_dai);
@@ -482,11 +471,6 @@ struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
 				const char *driver_name);
 int snd_soc_cache_init(struct snd_soc_codec *codec);
 int snd_soc_cache_exit(struct snd_soc_codec *codec);
-
-int snd_soc_platform_read(struct snd_soc_platform *platform,
-					unsigned int reg);
-int snd_soc_platform_write(struct snd_soc_platform *platform,
-					unsigned int reg, unsigned int val);
 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
 #ifdef CONFIG_SND_SOC_COMPRESS
 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
@@ -617,8 +601,6 @@ int snd_soc_add_component_controls(struct snd_soc_component *component,
 	const struct snd_kcontrol_new *controls, unsigned int num_controls);
 int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
 	const struct snd_kcontrol_new *controls, unsigned int num_controls);
-int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
-	const struct snd_kcontrol_new *controls, unsigned int num_controls);
 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
 	const struct snd_kcontrol_new *controls, int num_controls);
 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
@@ -800,7 +782,6 @@ struct snd_soc_component_driver {
 	int (*suspend)(struct snd_soc_component *);
 	int (*resume)(struct snd_soc_component *);
 
-	/* pcm creation and destruction */
 	int (*pcm_new)(struct snd_soc_pcm_runtime *);
 	void (*pcm_free)(struct snd_pcm *);
 
@@ -882,8 +863,6 @@ struct snd_soc_component {
 	void (*remove)(struct snd_soc_component *);
 	int (*suspend)(struct snd_soc_component *);
 	int (*resume)(struct snd_soc_component *);
-	int (*pcm_new)(struct snd_soc_pcm_runtime *);
-	void (*pcm_free)(struct snd_pcm *);
 
 	/* machine specific init */
 	int (*init)(struct snd_soc_component *component);
@@ -969,39 +948,12 @@ struct snd_soc_codec_driver {
 	bool ignore_pmdown_time;  /* Doesn't benefit from pmdown delay */
 };
 
-/* SoC platform interface */
-struct snd_soc_platform_driver {
-
-	int (*probe)(struct snd_soc_platform *);
-	int (*remove)(struct snd_soc_platform *);
-	struct snd_soc_component_driver component_driver;
-
-	/* pcm creation and destruction */
-	int (*pcm_new)(struct snd_soc_pcm_runtime *);
-	void (*pcm_free)(struct snd_pcm *);
-
-	/* platform stream pcm ops */
-	const struct snd_pcm_ops *ops;
-
-	/* platform stream compress ops */
-	const struct snd_compr_ops *compr_ops;
-};
-
 struct snd_soc_dai_link_component {
 	const char *name;
 	struct device_node *of_node;
 	const char *dai_name;
 };
 
-struct snd_soc_platform {
-	struct device *dev;
-	const struct snd_soc_platform_driver *driver;
-
-	struct list_head list;
-
-	struct snd_soc_component component;
-};
-
 struct snd_soc_dai_link {
 	/* config - must be set by machine driver */
 	const char *name;			/* Codec name */
@@ -1250,7 +1202,6 @@ struct snd_soc_pcm_runtime {
 	struct snd_pcm *pcm;
 	struct snd_compr *compr;
 	struct snd_soc_codec *codec;
-	struct snd_soc_platform *platform; /* will be removed */
 	struct snd_soc_dai *codec_dai;
 	struct snd_soc_dai *cpu_dai;
 
@@ -1333,19 +1284,6 @@ static inline struct snd_soc_codec *snd_soc_component_to_codec(
 }
 
 /**
- * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
- * @component: The component to cast to a platform
- *
- * This function must only be used on components that are known to be platforms.
- * Otherwise the behavior is undefined.
- */
-static inline struct snd_soc_platform *snd_soc_component_to_platform(
-	struct snd_soc_component *component)
-{
-	return container_of(component, struct snd_soc_platform, component);
-}
-
-/**
  * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
  *  embedded in
  * @dapm: The DAPM context to cast to the component
@@ -1374,20 +1312,6 @@ static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
 }
 
 /**
- * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
- *  embedded in
- * @dapm: The DAPM context to cast to the platform.
- *
- * This function must only be used on DAPM contexts that are known to be part of
- * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
- */
-static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
-	struct snd_soc_dapm_context *dapm)
-{
-	return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
-}
-
-/**
  * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
  *  component
  * @component: The component for which to get the DAPM context
@@ -1566,17 +1490,6 @@ static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
 	return snd_soc_component_get_drvdata(&codec->component);
 }
 
-static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
-		void *data)
-{
-	snd_soc_component_set_drvdata(&platform->component, data);
-}
-
-static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
-{
-	return snd_soc_component_get_drvdata(&platform->component);
-}
-
 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
 {
 	INIT_LIST_HEAD(&card->widgets);
@@ -1663,20 +1576,6 @@ static inline struct snd_soc_codec *snd_soc_kcontrol_codec(
 	return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol));
 }
 
-/**
- * snd_soc_kcontrol_platform() - Returns the platform that registered the control
- * @kcontrol: The control for which to get the platform
- *
- * Note: This function will only work correctly if the control has been
- * registered with snd_soc_add_platform_controls() or via table based setup of
- * a snd_soc_platform_driver. Otherwise the behavior is undefined.
- */
-static inline struct snd_soc_platform *snd_soc_kcontrol_platform(
-	struct snd_kcontrol *kcontrol)
-{
-	return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol));
-}
-
 int snd_soc_util_init(void);
 void snd_soc_util_exit(void);
 
diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c
index a75dc5f..58a72e6 100644
--- a/sound/soc/soc-compress.c
+++ b/sound/soc/soc-compress.c
@@ -29,7 +29,6 @@
 static int soc_compr_open(struct snd_compr_stream *cstream)
 {
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
@@ -46,15 +45,6 @@ static int soc_compr_open(struct snd_compr_stream *cstream)
 		}
 	}
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->open) {
-		ret = platform->driver->compr_ops->open(cstream);
-		if (ret < 0) {
-			pr_err("compress asoc: can't open platform %s\n",
-				platform->component.name);
-			goto plat_err;
-		}
-	}
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
@@ -95,9 +85,6 @@ static int soc_compr_open(struct snd_compr_stream *cstream)
 			component->driver->compr_ops->free(cstream);
 	}
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->free)
-		platform->driver->compr_ops->free(cstream);
-plat_err:
 	if (cpu_dai->driver->cops && cpu_dai->driver->cops->shutdown)
 		cpu_dai->driver->cops->shutdown(cstream, cpu_dai);
 out:
@@ -109,7 +96,6 @@ static int soc_compr_open_fe(struct snd_compr_stream *cstream)
 {
 	struct snd_soc_pcm_runtime *fe = cstream->private_data;
 	struct snd_pcm_substream *fe_substream = fe->pcm->streams[0].substream;
-	struct snd_soc_platform *platform = fe->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = fe->cpu_dai;
@@ -134,16 +120,6 @@ static int soc_compr_open_fe(struct snd_compr_stream *cstream)
 		}
 	}
 
-
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->open) {
-		ret = platform->driver->compr_ops->open(cstream);
-		if (ret < 0) {
-			pr_err("compress asoc: can't open platform %s\n",
-				platform->component.name);
-			goto plat_err;
-		}
-	}
-
 	for_each_rtdcom(fe, rtdcom) {
 		component = rtdcom->component;
 
@@ -220,9 +196,6 @@ static int soc_compr_open_fe(struct snd_compr_stream *cstream)
 			component->driver->compr_ops->free(cstream);
 	}
 
-	if (playback && platform->driver->compr_ops && platform->driver->compr_ops->free)
-		platform->driver->compr_ops->free(cstream);
-plat_err:
 	if (cpu_dai->driver->cops && cpu_dai->driver->cops->shutdown)
 		cpu_dai->driver->cops->shutdown(cstream, cpu_dai);
 out:
@@ -262,7 +235,6 @@ static void close_delayed_work(struct work_struct *work)
 static int soc_compr_free(struct snd_compr_stream *cstream)
 {
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
@@ -298,9 +270,6 @@ static int soc_compr_free(struct snd_compr_stream *cstream)
 			component->driver->compr_ops->free(cstream);
 	}
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->free)
-		platform->driver->compr_ops->free(cstream);
-
 	if (cpu_dai->driver->cops && cpu_dai->driver->cops->shutdown)
 		cpu_dai->driver->cops->shutdown(cstream, cpu_dai);
 
@@ -329,7 +298,6 @@ static int soc_compr_free(struct snd_compr_stream *cstream)
 static int soc_compr_free_fe(struct snd_compr_stream *cstream)
 {
 	struct snd_soc_pcm_runtime *fe = cstream->private_data;
-	struct snd_soc_platform *platform = fe->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = fe->cpu_dai;
@@ -377,9 +345,6 @@ static int soc_compr_free_fe(struct snd_compr_stream *cstream)
 			component->driver->compr_ops->free(cstream);
 	}
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->free)
-		platform->driver->compr_ops->free(cstream);
-
 	if (cpu_dai->driver->cops && cpu_dai->driver->cops->shutdown)
 		cpu_dai->driver->cops->shutdown(cstream, cpu_dai);
 
@@ -391,7 +356,6 @@ static int soc_compr_trigger(struct snd_compr_stream *cstream, int cmd)
 {
 
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
@@ -414,12 +378,6 @@ static int soc_compr_trigger(struct snd_compr_stream *cstream, int cmd)
 	if (ret < 0)
 		goto out;
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->trigger) {
-		ret = platform->driver->compr_ops->trigger(cstream, cmd);
-		if (ret < 0)
-			goto out;
-	}
-
 	if (cpu_dai->driver->cops && cpu_dai->driver->cops->trigger)
 		cpu_dai->driver->cops->trigger(cstream, cmd, cpu_dai);
 
@@ -441,7 +399,6 @@ static int soc_compr_trigger(struct snd_compr_stream *cstream, int cmd)
 static int soc_compr_trigger_fe(struct snd_compr_stream *cstream, int cmd)
 {
 	struct snd_soc_pcm_runtime *fe = cstream->private_data;
-	struct snd_soc_platform *platform = fe->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = fe->cpu_dai;
@@ -450,12 +407,6 @@ static int soc_compr_trigger_fe(struct snd_compr_stream *cstream, int cmd)
 	if (cmd == SND_COMPR_TRIGGER_PARTIAL_DRAIN ||
 		cmd == SND_COMPR_TRIGGER_DRAIN) {
 
-		if (platform &&
-		    platform->driver->compr_ops &&
-		    platform->driver->compr_ops->trigger)
-			return platform->driver->compr_ops->trigger(cstream,
-								    cmd);
-
 		for_each_rtdcom(fe, rtdcom) {
 			component = rtdcom->component;
 
@@ -498,12 +449,6 @@ static int soc_compr_trigger_fe(struct snd_compr_stream *cstream, int cmd)
 	if (ret < 0)
 		goto out;
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->trigger) {
-		ret = platform->driver->compr_ops->trigger(cstream, cmd);
-		if (ret < 0)
-			goto out;
-	}
-
 	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
 
 	ret = dpcm_be_dai_trigger(fe, stream, cmd);
@@ -533,7 +478,6 @@ static int soc_compr_set_params(struct snd_compr_stream *cstream,
 					struct snd_compr_params *params)
 {
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
@@ -567,12 +511,6 @@ static int soc_compr_set_params(struct snd_compr_stream *cstream,
 	if (ret < 0)
 		goto err;
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->set_params) {
-		ret = platform->driver->compr_ops->set_params(cstream, params);
-		if (ret < 0)
-			goto err;
-	}
-
 	if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->set_params) {
 		ret = rtd->dai_link->compr_ops->set_params(cstream);
 		if (ret < 0)
@@ -604,7 +542,6 @@ static int soc_compr_set_params_fe(struct snd_compr_stream *cstream,
 {
 	struct snd_soc_pcm_runtime *fe = cstream->private_data;
 	struct snd_pcm_substream *fe_substream = fe->pcm->streams[0].substream;
-	struct snd_soc_platform *platform = fe->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = fe->cpu_dai;
@@ -637,12 +574,6 @@ static int soc_compr_set_params_fe(struct snd_compr_stream *cstream,
 	if (ret < 0)
 		goto out;
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->set_params) {
-		ret = platform->driver->compr_ops->set_params(cstream, params);
-		if (ret < 0)
-			goto out;
-	}
-
 	if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->set_params) {
 		ret = fe->dai_link->compr_ops->set_params(cstream);
 		if (ret < 0)
@@ -680,7 +611,6 @@ static int soc_compr_get_params(struct snd_compr_stream *cstream,
 					struct snd_codec *params)
 {
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
@@ -705,12 +635,6 @@ static int soc_compr_get_params(struct snd_compr_stream *cstream,
 		if (__ret < 0)
 			ret = __ret;
 	}
-	if (ret < 0)
-		goto err;
-
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->get_params)
-		ret = platform->driver->compr_ops->get_params(cstream, params);
-
 err:
 	mutex_unlock(&rtd->pcm_mutex);
 	return ret;
@@ -720,7 +644,6 @@ static int soc_compr_get_caps(struct snd_compr_stream *cstream,
 				struct snd_compr_caps *caps)
 {
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	int ret = 0, __ret;
@@ -738,12 +661,7 @@ static int soc_compr_get_caps(struct snd_compr_stream *cstream,
 		if (__ret < 0)
 			ret = __ret;
 	}
-	if (ret < 0)
-		goto err;
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->get_caps)
-		ret = platform->driver->compr_ops->get_caps(cstream, caps);
-err:
 	mutex_unlock(&rtd->pcm_mutex);
 	return ret;
 }
@@ -752,7 +670,6 @@ static int soc_compr_get_codec_caps(struct snd_compr_stream *cstream,
 				struct snd_compr_codec_caps *codec)
 {
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	int ret = 0, __ret;
@@ -770,12 +687,7 @@ static int soc_compr_get_codec_caps(struct snd_compr_stream *cstream,
 		if (__ret < 0)
 			ret = __ret;
 	}
-	if (ret < 0)
-		goto err;
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->get_codec_caps)
-		ret = platform->driver->compr_ops->get_codec_caps(cstream, codec);
-err:
 	mutex_unlock(&rtd->pcm_mutex);
 	return ret;
 }
@@ -783,7 +695,6 @@ static int soc_compr_get_codec_caps(struct snd_compr_stream *cstream,
 static int soc_compr_ack(struct snd_compr_stream *cstream, size_t bytes)
 {
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
@@ -808,12 +719,6 @@ static int soc_compr_ack(struct snd_compr_stream *cstream, size_t bytes)
 		if (__ret < 0)
 			ret = __ret;
 	}
-	if (ret < 0)
-		goto err;
-
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->ack)
-		ret = platform->driver->compr_ops->ack(cstream, bytes);
-
 err:
 	mutex_unlock(&rtd->pcm_mutex);
 	return ret;
@@ -823,7 +728,6 @@ static int soc_compr_pointer(struct snd_compr_stream *cstream,
 			struct snd_compr_tstamp *tstamp)
 {
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	int ret = 0, __ret;
@@ -845,12 +749,7 @@ static int soc_compr_pointer(struct snd_compr_stream *cstream,
 		if (__ret < 0)
 			ret = __ret;
 	}
-	if (ret < 0)
-		goto err;
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->pointer)
-		ret = platform->driver->compr_ops->pointer(cstream, tstamp);
-err:
 	mutex_unlock(&rtd->pcm_mutex);
 	return ret;
 }
@@ -859,7 +758,6 @@ static int soc_compr_copy(struct snd_compr_stream *cstream,
 			  char __user *buf, size_t count)
 {
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	int ret = 0, __ret;
@@ -877,12 +775,7 @@ static int soc_compr_copy(struct snd_compr_stream *cstream,
 		if (__ret < 0)
 			ret = __ret;
 	}
-	if (ret < 0)
-		goto err;
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->copy)
-		ret = platform->driver->compr_ops->copy(cstream, buf, count);
-err:
 	mutex_unlock(&rtd->pcm_mutex);
 	return ret;
 }
@@ -891,7 +784,6 @@ static int soc_compr_set_metadata(struct snd_compr_stream *cstream,
 				struct snd_compr_metadata *metadata)
 {
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
@@ -914,11 +806,6 @@ static int soc_compr_set_metadata(struct snd_compr_stream *cstream,
 		if (__ret < 0)
 			ret = __ret;
 	}
-	if (ret < 0)
-		return ret;
-
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->set_metadata)
-		ret = platform->driver->compr_ops->set_metadata(cstream, metadata);
 
 	return ret;
 }
@@ -927,7 +814,6 @@ static int soc_compr_get_metadata(struct snd_compr_stream *cstream,
 				struct snd_compr_metadata *metadata)
 {
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
@@ -950,11 +836,6 @@ static int soc_compr_get_metadata(struct snd_compr_stream *cstream,
 		if (__ret < 0)
 			ret = __ret;
 	}
-	if (ret < 0)
-		return ret;
-
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->get_metadata)
-		ret = platform->driver->compr_ops->get_metadata(cstream, metadata);
 
 	return ret;
 }
@@ -1000,7 +881,6 @@ static int soc_compr_get_metadata(struct snd_compr_stream *cstream,
 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
 {
 	struct snd_soc_codec *codec = rtd->codec;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
@@ -1089,9 +969,6 @@ int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
 			compr->ops->copy = soc_compr_copy;
 	}
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->copy)
-		compr->ops->copy = soc_compr_copy;
-
 	mutex_init(&compr->lock);
 
 	snprintf(new_name, sizeof(new_name), "%s %s-%d",
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index cdde8f7..8e1c447 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -56,7 +56,6 @@
 #endif
 
 static DEFINE_MUTEX(client_mutex);
-static LIST_HEAD(platform_list);
 static LIST_HEAD(codec_list);
 static LIST_HEAD(component_list);
 
@@ -412,22 +411,22 @@ static ssize_t dai_list_read_file(struct file *file, char __user *user_buf,
 	.llseek = default_llseek,/* read accesses f_pos */
 };
 
-static ssize_t platform_list_read_file(struct file *file,
+static ssize_t component_list_read_file(struct file *file,
 				       char __user *user_buf,
 				       size_t count, loff_t *ppos)
 {
 	char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
 	ssize_t len, ret = 0;
-	struct snd_soc_platform *platform;
+	struct snd_soc_component *component;
 
 	if (!buf)
 		return -ENOMEM;
 
 	mutex_lock(&client_mutex);
 
-	list_for_each_entry(platform, &platform_list, list) {
+	list_for_each_entry(component, &component_list, list) {
 		len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
-			       platform->component.name);
+			       component->name);
 		if (len >= 0)
 			ret += len;
 		if (ret > PAGE_SIZE) {
@@ -445,8 +444,8 @@ static ssize_t platform_list_read_file(struct file *file,
 	return ret;
 }
 
-static const struct file_operations platform_list_fops = {
-	.read = platform_list_read_file,
+static const struct file_operations component_list_fops = {
+	.read = component_list_read_file,
 	.llseek = default_llseek,/* read accesses f_pos */
 };
 
@@ -494,8 +493,8 @@ static void snd_soc_debugfs_init(void)
 				 &dai_list_fops))
 		pr_warn("ASoC: Failed to create DAI list debugfs file\n");
 
-	if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL,
-				 &platform_list_fops))
+	if (!debugfs_create_file("components", 0444, snd_soc_debugfs_root, NULL,
+				 &component_list_fops))
 		pr_warn("ASoC: Failed to create platform list debugfs file\n");
 }
 
@@ -1078,7 +1077,6 @@ static int soc_bind_dai_link(struct snd_soc_card *card,
 	struct snd_soc_dai_link_component *codecs = dai_link->codecs;
 	struct snd_soc_dai_link_component cpu_dai_component;
 	struct snd_soc_dai **codec_dais;
-	struct snd_soc_platform *platform;
 	struct snd_soc_component *component;
 	struct device_node *platform_of_node;
 	const char *platform_name;
@@ -1145,22 +1143,6 @@ static int soc_bind_dai_link(struct snd_soc_card *card,
 		snd_soc_rtdcom_add(rtd, component);
 	}
 
-	list_for_each_entry(platform, &platform_list, list) {
-		platform_of_node = platform->dev->of_node;
-		if (!platform_of_node && platform->dev->parent->of_node)
-			platform_of_node = platform->dev->parent->of_node;
-
-		if (dai_link->platform_of_node) {
-			if (platform_of_node != dai_link->platform_of_node)
-				continue;
-		} else {
-			if (strcmp(platform->component.name, platform_name))
-				continue;
-		}
-
-		rtd->platform = platform;
-	}
-
 	soc_add_pcm_runtime(card, rtd);
 	return 0;
 
@@ -1225,15 +1207,10 @@ static void soc_remove_link_components(struct snd_soc_card *card,
 	struct snd_soc_pcm_runtime *rtd, int order)
 {
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	int i;
 
-	/* remove the platform */
-	if (platform && platform->component.driver->remove_order == order)
-		soc_remove_component(&platform->component);
-
 	/* remove the component */
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
@@ -1604,7 +1581,6 @@ static int soc_probe_link_components(struct snd_soc_card *card,
 			struct snd_soc_pcm_runtime *rtd,
 				     int order)
 {
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	int i, ret;
@@ -1627,13 +1603,6 @@ static int soc_probe_link_components(struct snd_soc_card *card,
 		}
 	}
 
-	/* probe the platform */
-	if (platform && platform->component.driver->probe_order == order) {
-		ret = soc_probe_component(card, &platform->component);
-		if (ret < 0)
-			return ret;
-	}
-
 	/* probe the component */
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
@@ -2558,24 +2527,6 @@ int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
 EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls);
 
 /**
- * snd_soc_add_platform_controls - add an array of controls to a platform.
- * Convenience function to add a list of controls.
- *
- * @platform: platform to add controls to
- * @controls: array of controls to add
- * @num_controls: number of elements in the array
- *
- * Return 0 for success, else error.
- */
-int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
-	const struct snd_kcontrol_new *controls, unsigned int num_controls)
-{
-	return snd_soc_add_component_controls(&platform->component, controls,
-		num_controls);
-}
-EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls);
-
-/**
  * snd_soc_add_card_controls - add an array of controls to a SoC card.
  * Convenience function to add a list of controls.
  *
@@ -3213,8 +3164,6 @@ static int snd_soc_component_initialize(struct snd_soc_component *component,
 	component->remove = component->driver->remove;
 	component->suspend = component->driver->suspend;
 	component->resume = component->driver->resume;
-	component->pcm_new = component->driver->pcm_new;
-	component->pcm_free = component->driver->pcm_free;
 
 	dapm = &component->dapm;
 	dapm->dev = dev;
@@ -3416,163 +3365,6 @@ struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
 }
 EXPORT_SYMBOL_GPL(snd_soc_lookup_component);
 
-static int snd_soc_platform_drv_probe(struct snd_soc_component *component)
-{
-	struct snd_soc_platform *platform = snd_soc_component_to_platform(component);
-
-	return platform->driver->probe(platform);
-}
-
-static void snd_soc_platform_drv_remove(struct snd_soc_component *component)
-{
-	struct snd_soc_platform *platform = snd_soc_component_to_platform(component);
-
-	platform->driver->remove(platform);
-}
-
-static int snd_soc_platform_drv_pcm_new(struct snd_soc_pcm_runtime *rtd)
-{
-	struct snd_soc_platform *platform = rtd->platform;
-
-	if (platform->driver->pcm_new)
-		return platform->driver->pcm_new(rtd);
-	else
-		return 0;
-}
-
-static void snd_soc_platform_drv_pcm_free(struct snd_pcm *pcm)
-{
-	struct snd_soc_pcm_runtime *rtd = pcm->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
-
-	if (platform->driver->pcm_free)
-		platform->driver->pcm_free(pcm);
-}
-
-/**
- * snd_soc_add_platform - Add a platform to the ASoC core
- * @dev: The parent device for the platform
- * @platform: The platform to add
- * @platform_drv: The driver for the platform
- */
-int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
-		const struct snd_soc_platform_driver *platform_drv)
-{
-	int ret;
-
-	ret = snd_soc_component_initialize(&platform->component,
-			&platform_drv->component_driver, dev);
-	if (ret)
-		return ret;
-
-	platform->dev = dev;
-	platform->driver = platform_drv;
-
-	if (platform_drv->probe)
-		platform->component.probe = snd_soc_platform_drv_probe;
-	if (platform_drv->remove)
-		platform->component.remove = snd_soc_platform_drv_remove;
-	if (platform_drv->pcm_new)
-		platform->component.pcm_new = snd_soc_platform_drv_pcm_new;
-	if (platform_drv->pcm_free)
-		platform->component.pcm_free = snd_soc_platform_drv_pcm_free;
-
-#ifdef CONFIG_DEBUG_FS
-	platform->component.debugfs_prefix = "platform";
-#endif
-
-	mutex_lock(&client_mutex);
-	snd_soc_component_add_unlocked(&platform->component);
-	list_add(&platform->list, &platform_list);
-	mutex_unlock(&client_mutex);
-
-	dev_dbg(dev, "ASoC: Registered platform '%s'\n",
-		platform->component.name);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_add_platform);
-
-/**
- * snd_soc_register_platform - Register a platform with the ASoC core
- *
- * @dev: The device for the platform
- * @platform_drv: The driver for the platform
- */
-int snd_soc_register_platform(struct device *dev,
-		const struct snd_soc_platform_driver *platform_drv)
-{
-	struct snd_soc_platform *platform;
-	int ret;
-
-	dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev));
-
-	platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL);
-	if (platform == NULL)
-		return -ENOMEM;
-
-	ret = snd_soc_add_platform(dev, platform, platform_drv);
-	if (ret)
-		kfree(platform);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(snd_soc_register_platform);
-
-/**
- * snd_soc_remove_platform - Remove a platform from the ASoC core
- * @platform: the platform to remove
- */
-void snd_soc_remove_platform(struct snd_soc_platform *platform)
-{
-
-	mutex_lock(&client_mutex);
-	list_del(&platform->list);
-	snd_soc_component_del_unlocked(&platform->component);
-	mutex_unlock(&client_mutex);
-
-	dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n",
-		platform->component.name);
-
-	snd_soc_component_cleanup(&platform->component);
-}
-EXPORT_SYMBOL_GPL(snd_soc_remove_platform);
-
-struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev)
-{
-	struct snd_soc_platform *platform;
-
-	mutex_lock(&client_mutex);
-	list_for_each_entry(platform, &platform_list, list) {
-		if (dev == platform->dev) {
-			mutex_unlock(&client_mutex);
-			return platform;
-		}
-	}
-	mutex_unlock(&client_mutex);
-
-	return NULL;
-}
-EXPORT_SYMBOL_GPL(snd_soc_lookup_platform);
-
-/**
- * snd_soc_unregister_platform - Unregister a platform from the ASoC core
- *
- * @dev: platform to unregister
- */
-void snd_soc_unregister_platform(struct device *dev)
-{
-	struct snd_soc_platform *platform;
-
-	platform = snd_soc_lookup_platform(dev);
-	if (!platform)
-		return;
-
-	snd_soc_remove_platform(platform);
-	kfree(platform);
-}
-EXPORT_SYMBOL_GPL(snd_soc_unregister_platform);
-
 static u64 codec_format_map[] = {
 	SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE,
 	SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE,
diff --git a/sound/soc/soc-devres.c b/sound/soc/soc-devres.c
index 9194696..b05041c 100644
--- a/sound/soc/soc-devres.c
+++ b/sound/soc/soc-devres.c
@@ -52,41 +52,6 @@ int devm_snd_soc_register_component(struct device *dev,
 }
 EXPORT_SYMBOL_GPL(devm_snd_soc_register_component);
 
-static void devm_platform_release(struct device *dev, void *res)
-{
-	snd_soc_unregister_platform(*(struct device **)res);
-}
-
-/**
- * devm_snd_soc_register_platform - resource managed platform registration
- * @dev: Device used to manage platform
- * @platform_drv: platform to register
- *
- * Register a platform driver with automatic unregistration when the device is
- * unregistered.
- */
-int devm_snd_soc_register_platform(struct device *dev,
-			const struct snd_soc_platform_driver *platform_drv)
-{
-	struct device **ptr;
-	int ret;
-
-	ptr = devres_alloc(devm_platform_release, sizeof(*ptr), GFP_KERNEL);
-	if (!ptr)
-		return -ENOMEM;
-
-	ret = snd_soc_register_platform(dev, platform_drv);
-	if (ret == 0) {
-		*ptr = dev;
-		devres_add(dev, ptr);
-	} else {
-		devres_free(ptr);
-	}
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(devm_snd_soc_register_platform);
-
 static void devm_card_release(struct device *dev, void *res)
 {
 	snd_soc_unregister_card(*(struct snd_soc_card **)res);
diff --git a/sound/soc/soc-io.c b/sound/soc/soc-io.c
index 9b39390..c909330 100644
--- a/sound/soc/soc-io.c
+++ b/sound/soc/soc-io.c
@@ -250,24 +250,3 @@ int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
 	return snd_soc_component_test_bits(&codec->component, reg, mask, value);
 }
 EXPORT_SYMBOL_GPL(snd_soc_test_bits);
-
-int snd_soc_platform_read(struct snd_soc_platform *platform,
-					unsigned int reg)
-{
-	unsigned int val;
-	int ret;
-
-	ret = snd_soc_component_read(&platform->component, reg, &val);
-	if (ret < 0)
-		return -1;
-
-	return val;
-}
-EXPORT_SYMBOL_GPL(snd_soc_platform_read);
-
-int snd_soc_platform_write(struct snd_soc_platform *platform,
-					 unsigned int reg, unsigned int val)
-{
-	return snd_soc_component_write(&platform->component, reg, val);
-}
-EXPORT_SYMBOL_GPL(snd_soc_platform_write);
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index b08ef16..bf07d8b 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -449,7 +449,6 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
@@ -481,15 +480,6 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 		}
 	}
 
-	if (platform && platform->driver->ops && platform->driver->ops->open) {
-		ret = platform->driver->ops->open(substream);
-		if (ret < 0) {
-			dev_err(platform->dev, "ASoC: can't open platform"
-				" %s: %d\n", platform->component.name, ret);
-			goto platform_err;
-		}
-	}
-
 	ret = 0;
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
@@ -624,10 +614,6 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 			component->driver->ops->close(substream);
 	}
 
-	if (platform && platform->driver->ops && platform->driver->ops->close)
-		platform->driver->ops->close(substream);
-
-platform_err:
 	if (cpu_dai->driver->ops->shutdown)
 		cpu_dai->driver->ops->shutdown(substream, cpu_dai);
 out:
@@ -693,7 +679,6 @@ static void close_delayed_work(struct work_struct *work)
 static int soc_pcm_close(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
@@ -728,9 +713,6 @@ static int soc_pcm_close(struct snd_pcm_substream *substream)
 	if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown)
 		rtd->dai_link->ops->shutdown(substream);
 
-	if (platform && platform->driver->ops && platform->driver->ops->close)
-		platform->driver->ops->close(substream);
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
@@ -793,7 +775,6 @@ static int soc_pcm_close(struct snd_pcm_substream *substream)
 static int soc_pcm_prepare(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
@@ -811,15 +792,6 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
 		}
 	}
 
-	if (platform && platform->driver->ops && platform->driver->ops->prepare) {
-		ret = platform->driver->ops->prepare(substream);
-		if (ret < 0) {
-			dev_err(platform->dev, "ASoC: platform prepare error:"
-				" %d\n", ret);
-			goto out;
-		}
-	}
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
@@ -916,7 +888,6 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
 				struct snd_pcm_hw_params *params)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
@@ -983,15 +954,6 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
 	if (ret < 0)
 		goto interface_err;
 
-	if (platform && platform->driver->ops && platform->driver->ops->hw_params) {
-		ret = platform->driver->ops->hw_params(substream, params);
-		if (ret < 0) {
-			dev_err(platform->dev, "ASoC: %s hw params failed: %d\n",
-			       platform->component.name, ret);
-			goto platform_err;
-		}
-	}
-
 	ret = 0;
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
@@ -1030,10 +992,6 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
 			component->driver->ops->hw_free(substream);
 	}
 
-	if (platform && platform->driver->ops && platform->driver->ops->hw_free)
-		platform->driver->ops->hw_free(substream);
-
-platform_err:
 	if (cpu_dai->driver->ops && cpu_dai->driver->ops->hw_free)
 		cpu_dai->driver->ops->hw_free(substream, cpu_dai);
 
@@ -1061,7 +1019,6 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
 static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
@@ -1099,10 +1056,6 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
 	if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free)
 		rtd->dai_link->ops->hw_free(substream);
 
-	/* free any DMA resources */
-	if (platform && platform->driver->ops && platform->driver->ops->hw_free)
-		platform->driver->ops->hw_free(substream);
-
 	/* free any component resources */
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
@@ -1129,7 +1082,6 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
 static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
@@ -1146,12 +1098,6 @@ static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 		}
 	}
 
-	if (platform && platform->driver->ops && platform->driver->ops->trigger) {
-		ret = platform->driver->ops->trigger(substream, cmd);
-		if (ret < 0)
-			return ret;
-	}
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
@@ -1212,7 +1158,6 @@ static int soc_pcm_bespoke_trigger(struct snd_pcm_substream *substream,
 static snd_pcm_uframes_t soc_pcm_pointer(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
@@ -1223,9 +1168,6 @@ static snd_pcm_uframes_t soc_pcm_pointer(struct snd_pcm_substream *substream)
 	snd_pcm_sframes_t codec_delay = 0;
 	int i;
 
-	if (platform && platform->driver->ops && platform->driver->ops->pointer)
-		offset = platform->driver->ops->pointer(substream);
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
@@ -2419,13 +2361,9 @@ static int soc_pcm_ioctl(struct snd_pcm_substream *substream,
 		     unsigned int cmd, void *arg)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_component *component;
 	struct snd_soc_rtdcom_list *rtdcom;
 
-	if (platform && platform->driver->ops && platform->driver->ops->ioctl)
-		return platform->driver->ops->ioctl(substream, cmd, arg);
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
@@ -2785,8 +2723,8 @@ static void soc_pcm_free(struct snd_pcm *pcm)
 
 	list_for_each_entry(component, &rtd->card->component_dev_list,
 			    card_list) {
-		if (component->pcm_free)
-			component->pcm_free(pcm);
+		if (component->driver->pcm_free)
+			component->driver->pcm_free(pcm);
 	}
 }
 
@@ -2903,7 +2841,6 @@ static int soc_rtdcom_mmap(struct snd_pcm_substream *substream,
 /* create a new pcm */
 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
 {
-	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_dai *codec_dai;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 	struct snd_soc_component *component;
@@ -3020,15 +2957,6 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
 			rtd->ops.mmap		= soc_rtdcom_mmap;
 	}
 
-	/* overwrite */
-	if (platform && platform->driver->ops) {
-		rtd->ops.ack		= platform->driver->ops->ack;
-		rtd->ops.copy		= platform->driver->ops->copy;
-		rtd->ops.silence	= platform->driver->ops->silence;
-		rtd->ops.page		= platform->driver->ops->page;
-		rtd->ops.mmap		= platform->driver->ops->mmap;
-	}
-
 	if (playback)
 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &rtd->ops);
 
@@ -3036,8 +2964,8 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &rtd->ops);
 
 	list_for_each_entry(component, &rtd->card->component_dev_list, card_list) {
-		if (component->pcm_new) {
-			ret = component->pcm_new(rtd);
+		if (component->driver->pcm_new) {
+			ret = component->driver->pcm_new(rtd);
 			if (ret < 0) {
 				dev_err(component->dev,
 					"ASoC: pcm constructor failed: %d\n",
-- 
1.9.1




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