[SAMPLE -/-] ASoC: remove platform related things

[Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>]

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

One note is that, "platform_list_read_file()" is replaced to
"component_list_read_file()" by this patch

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
 Documentation/sound/soc/platform.rst |  30 ++---
 include/sound/soc.h                  | 101 +---------------
 sound/soc/soc-compress.c             | 214 +--------------------------------
 sound/soc/soc-core.c                 | 225 ++---------------------------------
 sound/soc/soc-devres.c               |  35 ------
 sound/soc/soc-io.c                   |  21 ----
 sound/soc/soc-pcm.c                  | 121 +------------------
 7 files changed, 27 insertions(+), 720 deletions(-)

diff --git a/Documentation/sound/soc/platform.rst b/Documentation/sound/soc/platform.rst
index d557490..cc81707 100644
--- a/Documentation/sound/soc/platform.rst
+++ b/Documentation/sound/soc/platform.rst
@@ -23,30 +23,26 @@ The platform DMA driver optionally supports the following ALSA operations:-
   };
 
 The platform driver exports its DMA functionality via struct
-snd_soc_platform_driver:-
+snd_soc_component_driver:-
 ::
 
-  struct snd_soc_platform_driver {
-	char *name;
+  struct snd_soc_component_driver {
+	const char *name;
 
-	int (*probe)(struct platform_device *pdev);
-	int (*remove)(struct platform_device *pdev);
-	int (*suspend)(struct platform_device *pdev, struct snd_soc_cpu_dai *cpu_dai);
-	int (*resume)(struct platform_device *pdev, struct snd_soc_cpu_dai *cpu_dai);
+	...
+	int (*probe)(struct snd_soc_component *);
+	void (*remove)(struct snd_soc_component *);
+	int (*suspend)(struct snd_soc_component *);
+	int (*resume)(struct snd_soc_component *);
 
 	/* pcm creation and destruction */
-	int (*pcm_new)(struct snd_card *, struct snd_soc_codec_dai *, struct snd_pcm *);
+	int (*pcm_new)(struct snd_soc_pcm_runtime *);
 	void (*pcm_free)(struct snd_pcm *);
 
-	/*
-	 * For platform caused delay reporting.
-	 * Optional.
-	 */
-	snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
-		struct snd_soc_dai *);
-
-	/* platform stream ops */
-	struct snd_pcm_ops *pcm_ops;
+	...
+	const struct snd_pcm_ops *ops;
+	const struct snd_compr_ops *compr_ops;
+	...
   };
 
 Please refer to the ALSA driver documentation for details of audio DMA.
diff --git a/include/sound/soc.h b/include/sound/soc.h
index c9a6b93..6c10866 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);
@@ -483,10 +472,6 @@ int devm_snd_soc_register_component(struct device *dev,
 struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
 						   const char *driver_name);
 
-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);
@@ -624,8 +609,6 @@ 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,
@@ -897,8 +880,6 @@ 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_component *, struct snd_soc_pcm_runtime *);
-	void (*pcm_free)(struct snd_soc_component *, struct snd_pcm *);
 
 	int (*set_sysclk)(struct snd_soc_component *component,
 			  int clk_id, int source, unsigned int freq, int dir);
@@ -966,39 +947,12 @@ 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 */
@@ -1247,7 +1201,6 @@ 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;
 
@@ -1329,19 +1282,6 @@ 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
@@ -1370,20 +1310,6 @@ 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
@@ -1643,17 +1569,6 @@ 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);
@@ -1717,7 +1632,7 @@ static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec)
  *
  * Note: This function will work correctly if the control has been registered
  * for a component. Either with snd_soc_add_codec_controls() or
- * snd_soc_add_platform_controls() or via  table based setup for either a
+ * via  table based setup for either a
  * CODEC, a platform or component driver. Otherwise the behavior is undefined.
  */
 static inline struct snd_soc_component *snd_soc_kcontrol_component(
@@ -1740,20 +1655,6 @@ 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 7563bed..a3e33b7 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;
@@ -46,22 +45,9 @@ 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;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->open)
 			continue;
@@ -94,10 +80,6 @@ static int soc_compr_open(struct snd_compr_stream *cstream)
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->free)
 			continue;
@@ -105,9 +87,6 @@ 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:
@@ -120,7 +99,6 @@ 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[cstream->direction].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;
@@ -145,23 +123,9 @@ 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;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->open)
 			continue;
@@ -230,10 +194,6 @@ static int soc_compr_open_fe(struct snd_compr_stream *cstream)
 	for_each_rtdcom(fe, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->free)
 			continue;
@@ -241,9 +201,6 @@ static int soc_compr_open_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);
-plat_err:
 	if (cpu_dai->driver->cops && cpu_dai->driver->cops->shutdown)
 		cpu_dai->driver->cops->shutdown(cstream, cpu_dai);
 out:
@@ -283,7 +240,6 @@ 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;
@@ -314,10 +270,6 @@ static int soc_compr_free(struct snd_compr_stream *cstream)
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->free)
 			continue;
@@ -325,9 +277,6 @@ 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);
 
@@ -356,7 +305,6 @@ 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;
@@ -396,16 +344,9 @@ static int soc_compr_free_fe(struct snd_compr_stream *cstream)
 	if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown)
 		fe->dai_link->compr_ops->shutdown(cstream);
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->free)
-		platform->driver->compr_ops->free(cstream);
-
 	for_each_rtdcom(fe, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->free)
 			continue;
@@ -424,7 +365,6 @@ 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;
@@ -433,19 +373,9 @@ static int soc_compr_trigger(struct snd_compr_stream *cstream, int cmd)
 
 	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->trigger) {
-		ret = platform->driver->compr_ops->trigger(cstream, cmd);
-		if (ret < 0)
-			goto out;
-	}
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->trigger)
 			continue;
@@ -478,7 +408,6 @@ 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;
@@ -487,19 +416,9 @@ 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;
 
-			/* ignore duplication for now */
-			if (platform && (component == &platform->component))
-				continue;
-
 			if (!component->driver->compr_ops ||
 			    !component->driver->compr_ops->trigger)
 				continue;
@@ -525,19 +444,9 @@ static int soc_compr_trigger_fe(struct snd_compr_stream *cstream, int cmd)
 			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;
-	}
-
 	for_each_rtdcom(fe, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->trigger)
 			continue;
@@ -578,7 +487,6 @@ 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;
@@ -598,19 +506,9 @@ static int soc_compr_set_params(struct snd_compr_stream *cstream,
 			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;
-	}
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->set_params)
 			continue;
@@ -654,7 +552,6 @@ 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[cstream->direction].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;
@@ -673,19 +570,9 @@ static int soc_compr_set_params_fe(struct snd_compr_stream *cstream,
 			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;
-	}
-
 	for_each_rtdcom(fe, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->set_params)
 			continue;
@@ -734,7 +621,6 @@ 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;
@@ -748,19 +634,9 @@ static int soc_compr_get_params(struct snd_compr_stream *cstream,
 			goto err;
 	}
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->get_params) {
-		ret = platform->driver->compr_ops->get_params(cstream, params);
-		if (ret < 0)
-			goto err;
-	}
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->get_params)
 			continue;
@@ -779,26 +655,15 @@ 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;
 
 	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->get_caps) {
-		ret = platform->driver->compr_ops->get_caps(cstream, caps);
-		if (ret < 0)
-			goto err;
-	}
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->get_caps)
 			continue;
@@ -808,7 +673,6 @@ static int soc_compr_get_caps(struct snd_compr_stream *cstream,
 			ret = __ret;
 	}
 
-err:
 	mutex_unlock(&rtd->pcm_mutex);
 	return ret;
 }
@@ -817,26 +681,15 @@ 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;
 
 	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->get_codec_caps) {
-		ret = platform->driver->compr_ops->get_codec_caps(cstream, codec);
-		if (ret < 0)
-			goto err;
-	}
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->get_codec_caps)
 			continue;
@@ -846,7 +699,6 @@ static int soc_compr_get_codec_caps(struct snd_compr_stream *cstream,
 			ret = __ret;
 	}
 
-err:
 	mutex_unlock(&rtd->pcm_mutex);
 	return ret;
 }
@@ -854,7 +706,6 @@ 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;
@@ -868,19 +719,9 @@ static int soc_compr_ack(struct snd_compr_stream *cstream, size_t bytes)
 			goto err;
 	}
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->ack) {
-		ret = platform->driver->compr_ops->ack(cstream, bytes);
-		if (ret < 0)
-			goto err;
-	}
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->ack)
 			continue;
@@ -899,7 +740,6 @@ 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;
@@ -910,19 +750,9 @@ static int soc_compr_pointer(struct snd_compr_stream *cstream,
 	if (cpu_dai->driver->cops && cpu_dai->driver->cops->pointer)
 		cpu_dai->driver->cops->pointer(cstream, tstamp, cpu_dai);
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->pointer) {
-		ret = platform->driver->compr_ops->pointer(cstream, tstamp);
-		if (ret < 0)
-			goto err;
-	}
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->pointer)
 			continue;
@@ -932,7 +762,6 @@ static int soc_compr_pointer(struct snd_compr_stream *cstream,
 			ret = __ret;
 	}
 
-err:
 	mutex_unlock(&rtd->pcm_mutex);
 	return ret;
 }
@@ -941,26 +770,15 @@ 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;
 
 	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->copy) {
-		ret = platform->driver->compr_ops->copy(cstream, buf, count);
-		if (ret < 0)
-			goto err;
-	}
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->copy)
 			continue;
@@ -969,7 +787,7 @@ static int soc_compr_copy(struct snd_compr_stream *cstream,
 		if (__ret < 0)
 			ret = __ret;
 	}
-err:
+
 	mutex_unlock(&rtd->pcm_mutex);
 	return ret;
 }
@@ -978,7 +796,6 @@ 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;
@@ -990,19 +807,9 @@ static int soc_compr_set_metadata(struct snd_compr_stream *cstream,
 			return ret;
 	}
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->set_metadata) {
-		ret = platform->driver->compr_ops->set_metadata(cstream, metadata);
-		if (ret < 0)
-			return ret;
-	}
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->set_metadata)
 			continue;
@@ -1019,7 +826,6 @@ 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;
@@ -1031,19 +837,9 @@ static int soc_compr_get_metadata(struct snd_compr_stream *cstream,
 			return ret;
 	}
 
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->get_metadata) {
-		ret = platform->driver->compr_ops->get_metadata(cstream, metadata);
-		if (ret < 0)
-			return ret;
-	}
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->get_metadata)
 			continue;
@@ -1097,7 +893,6 @@ 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_component *codec = rtd->codec_dai->component;
-	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;
@@ -1177,16 +972,9 @@ int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
 
 
 	/* Add copy callback for not memory mapped DSPs */
-	if (platform && platform->driver->compr_ops && platform->driver->compr_ops->copy)
-		compr->ops->copy = soc_compr_copy;
-
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->compr_ops ||
 		    !component->driver->compr_ops->copy)
 			continue;
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index d745d50..f2e669a 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);
 
@@ -241,22 +240,22 @@ 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) {
@@ -274,8 +273,8 @@ 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 */
 };
 
@@ -323,8 +322,8 @@ 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");
 }
 
@@ -916,7 +915,6 @@ static int soc_bind_dai_link(struct snd_soc_card *card,
 	struct snd_soc_dai_link_component cpu_dai_component;
 	struct snd_soc_component *component;
 	struct snd_soc_dai **codec_dais;
-	struct snd_soc_platform *platform;
 	struct device_node *platform_of_node;
 	const char *platform_name;
 	int i;
@@ -984,23 +982,6 @@ static int soc_bind_dai_link(struct snd_soc_card *card,
 		snd_soc_rtdcom_add(rtd, component);
 	}
 
-	/* find one from the set of registered platforms */
-	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;
 
@@ -2344,24 +2325,6 @@ 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.
  *
@@ -3031,22 +2994,6 @@ static int snd_soc_component_stream_event(struct snd_soc_dapm_context *dapm,
 	return component->driver->stream_event(component, event);
 }
 
-static int snd_soc_component_drv_pcm_new(struct snd_soc_component *component,
-					struct snd_soc_pcm_runtime *rtd)
-{
-	if (component->driver->pcm_new)
-		return component->driver->pcm_new(rtd);
-
-	return 0;
-}
-
-static void snd_soc_component_drv_pcm_free(struct snd_soc_component *component,
-					  struct snd_pcm *pcm)
-{
-	if (component->driver->pcm_free)
-		component->driver->pcm_free(pcm);
-}
-
 static int snd_soc_component_set_bias_level(struct snd_soc_dapm_context *dapm,
 					enum snd_soc_bias_level level)
 {
@@ -3075,8 +3022,6 @@ static int snd_soc_component_initialize(struct snd_soc_component *component,
 	component->set_sysclk = component->driver->set_sysclk;
 	component->set_pll = component->driver->set_pll;
 	component->set_jack = component->driver->set_jack;
-	component->pcm_new = snd_soc_component_drv_pcm_new;
-	component->pcm_free = snd_soc_component_drv_pcm_free;
 
 	dapm = snd_soc_component_get_dapm(component);
 	dapm->dev = dev;
@@ -3338,160 +3283,6 @@ 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_component *component,
-					struct snd_soc_pcm_runtime *rtd)
-{
-	struct snd_soc_platform *platform = snd_soc_component_to_platform(component);
-
-	if (platform->driver->pcm_new)
-		return platform->driver->pcm_new(rtd);
-
-	return 0;
-}
-
-static void snd_soc_platform_drv_pcm_free(struct snd_soc_component *component,
-					  struct snd_pcm *pcm)
-{
-	struct snd_soc_platform *platform = snd_soc_component_to_platform(component);
-
-	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;
-
-	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 int snd_soc_codec_drv_probe(struct snd_soc_component *component)
 {
 	struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
diff --git a/sound/soc/soc-devres.c b/sound/soc/soc-devres.c
index a57921e..7ac745d 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 2f07db5f..508b297 100644
--- a/sound/soc/soc-io.c
+++ b/sound/soc/soc-io.c
@@ -235,24 +235,3 @@ 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 da55e4e..500063e 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -462,7 +462,6 @@ 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;
@@ -492,23 +491,10 @@ 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;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->ops ||
 		    !component->driver->ops->open)
 			continue;
@@ -634,10 +620,6 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->ops ||
 		    !component->driver->ops->close)
 			continue;
@@ -645,10 +627,6 @@ 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:
@@ -707,7 +685,6 @@ 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;
@@ -742,16 +719,9 @@ 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;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->ops ||
 		    !component->driver->ops->close)
 			continue;
@@ -805,7 +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;
@@ -823,22 +792,9 @@ 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;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->ops ||
 		    !component->driver->ops->prepare)
 			continue;
@@ -932,7 +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;
@@ -999,23 +954,10 @@ 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;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->ops ||
 		    !component->driver->ops->hw_params)
 			continue;
@@ -1045,10 +987,6 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
-		/* ignore duplication */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->ops ||
 		    !component->driver->ops->hw_free)
 			continue;
@@ -1056,10 +994,6 @@ 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);
 
@@ -1087,7 +1021,6 @@ 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;
@@ -1125,18 +1058,10 @@ 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;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->ops ||
 		    !component->driver->ops->hw_free)
 			continue;
@@ -1161,7 +1086,6 @@ 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;
@@ -1178,19 +1102,9 @@ 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;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->ops ||
 		    !component->driver->ops->trigger)
 			continue;
@@ -1249,7 +1163,6 @@ 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;
@@ -1260,16 +1173,9 @@ 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;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->ops ||
 		    !component->driver->ops->pointer)
 			continue;
@@ -2462,20 +2368,12 @@ 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;
 
-		/* ignore duplication for now */
-		if (platform && (component == &platform->component))
-			continue;
-
 		if (!component->driver->ops ||
 		    !component->driver->ops->ioctl)
 			continue;
@@ -2840,8 +2738,8 @@ static void soc_pcm_private_free(struct snd_pcm *pcm)
 		flush_delayed_work(&rtd->delayed_work);
 		component = rtdcom->component;
 
-		if (component->pcm_free)
-			component->pcm_free(component, pcm);
+		if (component->driver->pcm_free)
+			component->driver->pcm_free(pcm);
 	}
 }
 
@@ -2980,7 +2878,6 @@ 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;
@@ -3099,16 +2996,6 @@ 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_user	= platform->driver->ops->copy_user;
-		rtd->ops.copy_kernel	= platform->driver->ops->copy_kernel;
-		rtd->ops.fill_silence	= platform->driver->ops->fill_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);
 
@@ -3118,10 +3005,10 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
 	for_each_rtdcom(rtd, rtdcom) {
 		component = rtdcom->component;
 
-		if (!component->pcm_new)
+		if (!component->driver->pcm_new)
 			continue;
 
-		ret = component->pcm_new(component, rtd);
+		ret = component->driver->pcm_new(rtd);
 		if (ret < 0) {
 			dev_err(component->dev,
 				"ASoC: pcm constructor failed: %d\n",
-- 
1.9.1