18 files changed, 50 insertions, 141 deletions

diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig
index 39cea80846c3..f2bf8661dd21 100644
--- a/sound/soc/pxa/Kconfig
+++ b/sound/soc/pxa/Kconfig
@@ -1,7 +1,6 @@
 config SND_PXA2XX_SOC
 	tristate "SoC Audio for the Intel PXA2xx chip"
 	depends on ARCH_PXA
-	select SND_ARM
 	select SND_PXA2XX_LIB
 	help
 	  Say Y or M if you want to add support for codecs attached to
@@ -25,7 +24,6 @@ config SND_PXA2XX_AC97
 config SND_PXA2XX_SOC_AC97
 	tristate
 	select AC97_BUS
-	select SND_ARM
 	select SND_PXA2XX_LIB_AC97
 	select SND_SOC_AC97_BUS
 
diff --git a/sound/soc/pxa/brownstone.c b/sound/soc/pxa/brownstone.c
index 2b26318bc200..6147e86e9b0f 100644
--- a/sound/soc/pxa/brownstone.c
+++ b/sound/soc/pxa/brownstone.c
@@ -116,26 +116,19 @@ static int brownstone_probe(struct platform_device *pdev)
 	int ret;
 
 	brownstone.dev = &pdev->dev;
-	ret = snd_soc_register_card(&brownstone);
+	ret = devm_snd_soc_register_card(&pdev->dev, &brownstone);
 	if (ret)
 		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
 				ret);
 	return ret;
 }
 
-static int brownstone_remove(struct platform_device *pdev)
-{
-	snd_soc_unregister_card(&brownstone);
-	return 0;
-}
-
 static struct platform_driver mmp_driver = {
 	.driver		= {
 		.name	= "brownstone-audio",
 		.pm     = &snd_soc_pm_ops,
 	},
 	.probe		= brownstone_probe,
-	.remove		= brownstone_remove,
 };
 
 module_platform_driver(mmp_driver);
diff --git a/sound/soc/pxa/corgi.c b/sound/soc/pxa/corgi.c
index 3580d10c9f28..c97dc13d3608 100644
--- a/sound/soc/pxa/corgi.c
+++ b/sound/soc/pxa/corgi.c
@@ -295,28 +295,19 @@ static int corgi_probe(struct platform_device *pdev)
 
 	card->dev = &pdev->dev;
 
-	ret = snd_soc_register_card(card);
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret)
 		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
 			ret);
 	return ret;
 }
 
-static int corgi_remove(struct platform_device *pdev)
-{
-	struct snd_soc_card *card = platform_get_drvdata(pdev);
-
-	snd_soc_unregister_card(card);
-	return 0;
-}
-
 static struct platform_driver corgi_driver = {
 	.driver		= {
 		.name	= "corgi-audio",
 		.pm     = &snd_soc_pm_ops,
 	},
 	.probe		= corgi_probe,
-	.remove		= corgi_remove,
 };
 
 module_platform_driver(corgi_driver);
diff --git a/sound/soc/pxa/e740_wm9705.c b/sound/soc/pxa/e740_wm9705.c
index d72e124a3676..1de876529aa1 100644
--- a/sound/soc/pxa/e740_wm9705.c
+++ b/sound/soc/pxa/e740_wm9705.c
@@ -138,7 +138,7 @@ static int e740_probe(struct platform_device *pdev)
 
 	card->dev = &pdev->dev;
 
-	ret = snd_soc_register_card(card);
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret) {
 		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
 			ret);
@@ -149,10 +149,7 @@ static int e740_probe(struct platform_device *pdev)
 
 static int e740_remove(struct platform_device *pdev)
 {
-	struct snd_soc_card *card = platform_get_drvdata(pdev);
-
 	gpio_free_array(e740_audio_gpios, ARRAY_SIZE(e740_audio_gpios));
-	snd_soc_unregister_card(card);
 	return 0;
 }
 
diff --git a/sound/soc/pxa/e750_wm9705.c b/sound/soc/pxa/e750_wm9705.c
index 48f2d7c2e68c..b7eb7cd5df7d 100644
--- a/sound/soc/pxa/e750_wm9705.c
+++ b/sound/soc/pxa/e750_wm9705.c
@@ -120,7 +120,7 @@ static int e750_probe(struct platform_device *pdev)
 
 	card->dev = &pdev->dev;
 
-	ret = snd_soc_register_card(card);
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret) {
 		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
 			ret);
@@ -131,10 +131,7 @@ static int e750_probe(struct platform_device *pdev)
 
 static int e750_remove(struct platform_device *pdev)
 {
-	struct snd_soc_card *card = platform_get_drvdata(pdev);
-
 	gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios));
-	snd_soc_unregister_card(card);
 	return 0;
 }
 
diff --git a/sound/soc/pxa/e800_wm9712.c b/sound/soc/pxa/e800_wm9712.c
index 45d4bd46fff6..41bf71466a7b 100644
--- a/sound/soc/pxa/e800_wm9712.c
+++ b/sound/soc/pxa/e800_wm9712.c
@@ -119,7 +119,7 @@ static int e800_probe(struct platform_device *pdev)
 
 	card->dev = &pdev->dev;
 
-	ret = snd_soc_register_card(card);
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret) {
 		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
 			ret);
@@ -130,10 +130,7 @@ static int e800_probe(struct platform_device *pdev)
 
 static int e800_remove(struct platform_device *pdev)
 {
-	struct snd_soc_card *card = platform_get_drvdata(pdev);
-
 	gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios));
-	snd_soc_unregister_card(card);
 	return 0;
 }
 
diff --git a/sound/soc/pxa/hx4700.c b/sound/soc/pxa/hx4700.c
index 9f8be7cd567e..ecbf2873b7ff 100644
--- a/sound/soc/pxa/hx4700.c
+++ b/sound/soc/pxa/hx4700.c
@@ -193,7 +193,7 @@ static int hx4700_audio_probe(struct platform_device *pdev)
 		return ret;
 
 	snd_soc_card_hx4700.dev = &pdev->dev;
-	ret = snd_soc_register_card(&snd_soc_card_hx4700);
+	ret = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_hx4700);
 	if (ret)
 		gpio_free_array(hx4700_audio_gpios,
 				ARRAY_SIZE(hx4700_audio_gpios));
@@ -203,8 +203,6 @@ static int hx4700_audio_probe(struct platform_device *pdev)
 
 static int hx4700_audio_remove(struct platform_device *pdev)
 {
-	snd_soc_unregister_card(&snd_soc_card_hx4700);
-
 	gpio_set_value(GPIO92_HX4700_HP_DRIVER, 0);
 	gpio_set_value(GPIO107_HX4700_SPK_nSD, 0);
 
diff --git a/sound/soc/pxa/imote2.c b/sound/soc/pxa/imote2.c
index 29fabbfd21f1..9d0e40771ef5 100644
--- a/sound/soc/pxa/imote2.c
+++ b/sound/soc/pxa/imote2.c
@@ -72,28 +72,19 @@ static int imote2_probe(struct platform_device *pdev)
 
 	card->dev = &pdev->dev;
 
-	ret = snd_soc_register_card(card);
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret)
 		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
 			ret);
 	return ret;
 }
 
-static int imote2_remove(struct platform_device *pdev)
-{
-	struct snd_soc_card *card = platform_get_drvdata(pdev);
-
-	snd_soc_unregister_card(card);
-	return 0;
-}
-
 static struct platform_driver imote2_driver = {
 	.driver		= {
 		.name	= "imote2-audio",
 		.pm     = &snd_soc_pm_ops,
 	},
 	.probe		= imote2_probe,
-	.remove		= imote2_remove,
 };
 
 module_platform_driver(imote2_driver);
diff --git a/sound/soc/pxa/mioa701_wm9713.c b/sound/soc/pxa/mioa701_wm9713.c
index a9615a574546..29bc60e85e92 100644
--- a/sound/soc/pxa/mioa701_wm9713.c
+++ b/sound/soc/pxa/mioa701_wm9713.c
@@ -181,7 +181,7 @@ static int mioa701_wm9713_probe(struct platform_device *pdev)
 		return -ENODEV;
 
 	mioa701.dev = &pdev->dev;
-	rc =  snd_soc_register_card(&mioa701);
+	rc = devm_snd_soc_register_card(&pdev->dev, &mioa701);
 	if (!rc)
 		dev_warn(&pdev->dev, "Be warned that incorrect mixers/muxes setup will"
 			 "lead to overheating and possible destruction of your device."
@@ -189,17 +189,8 @@ static int mioa701_wm9713_probe(struct platform_device *pdev)
 	return rc;
 }
 
-static int mioa701_wm9713_remove(struct platform_device *pdev)
-{
-	struct snd_soc_card *card = platform_get_drvdata(pdev);
-
-	snd_soc_unregister_card(card);
-	return 0;
-}
-
 static struct platform_driver mioa701_wm9713_driver = {
 	.probe		= mioa701_wm9713_probe,
-	.remove		= mioa701_wm9713_remove,
 	.driver		= {
 		.name		= "mioa701-wm9713",
 		.pm     = &snd_soc_pm_ops,
diff --git a/sound/soc/pxa/palm27x.c b/sound/soc/pxa/palm27x.c
index c20bbc042425..4e74d9573f03 100644
--- a/sound/soc/pxa/palm27x.c
+++ b/sound/soc/pxa/palm27x.c
@@ -140,22 +140,15 @@ static int palm27x_asoc_probe(struct platform_device *pdev)
 
 	palm27x_asoc.dev = &pdev->dev;
 
-	ret = snd_soc_register_card(&palm27x_asoc);
+	ret = devm_snd_soc_register_card(&pdev->dev, &palm27x_asoc);
 	if (ret)
 		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
 			ret);
 	return ret;
 }
 
-static int palm27x_asoc_remove(struct platform_device *pdev)
-{
-	snd_soc_unregister_card(&palm27x_asoc);
-	return 0;
-}
-
 static struct platform_driver palm27x_wm9712_driver = {
 	.probe		= palm27x_asoc_probe,
-	.remove		= palm27x_asoc_remove,
 	.driver		= {
 		.name		= "palm27x-asoc",
 		.pm     = &snd_soc_pm_ops,
diff --git a/sound/soc/pxa/poodle.c b/sound/soc/pxa/poodle.c
index 80b457ac522a..84d0e2e50808 100644
--- a/sound/soc/pxa/poodle.c
+++ b/sound/soc/pxa/poodle.c
@@ -267,28 +267,19 @@ static int poodle_probe(struct platform_device *pdev)
 
 	card->dev = &pdev->dev;
 
-	ret = snd_soc_register_card(card);
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret)
 		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
 			ret);
 	return ret;
 }
 
-static int poodle_remove(struct platform_device *pdev)
-{
-	struct snd_soc_card *card = platform_get_drvdata(pdev);
-
-	snd_soc_unregister_card(card);
-	return 0;
-}
-
 static struct platform_driver poodle_driver = {
 	.driver		= {
 		.name	= "poodle-audio",
 		.pm     = &snd_soc_pm_ops,
 	},
 	.probe		= poodle_probe,
-	.remove		= poodle_remove,
 };
 
 module_platform_driver(poodle_driver);
diff --git a/sound/soc/pxa/pxa-ssp.c b/sound/soc/pxa/pxa-ssp.c
index 3da485ec1de7..da03fad1b9cd 100644
--- a/sound/soc/pxa/pxa-ssp.c
+++ b/sound/soc/pxa/pxa-ssp.c
@@ -809,6 +809,7 @@ static const struct of_device_id pxa_ssp_of_ids[] = {
 	{ .compatible = "mrvl,pxa-ssp-dai" },
 	{}
 };
+MODULE_DEVICE_TABLE(of, pxa_ssp_of_ids);
 #endif
 
 static int asoc_ssp_probe(struct platform_device *pdev)
diff --git a/sound/soc/pxa/pxa2xx-ac97.c b/sound/soc/pxa/pxa2xx-ac97.c
index 1f6054650991..f3de615aacd7 100644
--- a/sound/soc/pxa/pxa2xx-ac97.c
+++ b/sound/soc/pxa/pxa2xx-ac97.c
@@ -15,6 +15,7 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/dmaengine.h>
+#include <linux/dma/pxa-dma.h>
 
 #include <sound/core.h>
 #include <sound/ac97_codec.h>
@@ -49,7 +50,11 @@ static struct snd_ac97_bus_ops pxa2xx_ac97_ops = {
 	.reset	= pxa2xx_ac97_cold_reset,
 };
 
-static unsigned long pxa2xx_ac97_pcm_stereo_in_req = 12;
+static struct pxad_param pxa2xx_ac97_pcm_stereo_in_req = {
+	.prio = PXAD_PRIO_LOWEST,
+	.drcmr = 11,
+};
+
 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_in = {
 	.addr		= __PREG(PCDR),
 	.addr_width	= DMA_SLAVE_BUSWIDTH_4_BYTES,
@@ -57,7 +62,11 @@ static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_in = {
 	.filter_data	= &pxa2xx_ac97_pcm_stereo_in_req,
 };
 
-static unsigned long pxa2xx_ac97_pcm_stereo_out_req = 11;
+static struct pxad_param pxa2xx_ac97_pcm_stereo_out_req = {
+	.prio = PXAD_PRIO_LOWEST,
+	.drcmr = 12,
+};
+
 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_out = {
 	.addr		= __PREG(PCDR),
 	.addr_width	= DMA_SLAVE_BUSWIDTH_4_BYTES,
@@ -65,7 +74,10 @@ static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_out = {
 	.filter_data	= &pxa2xx_ac97_pcm_stereo_out_req,
 };
 
-static unsigned long pxa2xx_ac97_pcm_aux_mono_out_req = 10;
+static struct pxad_param pxa2xx_ac97_pcm_aux_mono_out_req = {
+	.prio = PXAD_PRIO_LOWEST,
+	.drcmr = 10,
+};
 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_aux_mono_out = {
 	.addr		= __PREG(MODR),
 	.addr_width	= DMA_SLAVE_BUSWIDTH_2_BYTES,
@@ -73,7 +85,10 @@ static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_aux_mono_out = {
 	.filter_data	= &pxa2xx_ac97_pcm_aux_mono_out_req,
 };
 
-static unsigned long pxa2xx_ac97_pcm_aux_mono_in_req = 9;
+static struct pxad_param pxa2xx_ac97_pcm_aux_mono_in_req = {
+	.prio = PXAD_PRIO_LOWEST,
+	.drcmr = 9,
+};
 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_aux_mono_in = {
 	.addr		= __PREG(MODR),
 	.addr_width	= DMA_SLAVE_BUSWIDTH_2_BYTES,
@@ -81,7 +96,10 @@ static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_aux_mono_in = {
 	.filter_data	= &pxa2xx_ac97_pcm_aux_mono_in_req,
 };
 
-static unsigned long pxa2xx_ac97_pcm_aux_mic_mono_req = 8;
+static struct pxad_param pxa2xx_ac97_pcm_aux_mic_mono_req = {
+	.prio = PXAD_PRIO_LOWEST,
+	.drcmr = 8,
+};
 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_mic_mono_in = {
 	.addr		= __PREG(MCDR),
 	.addr_width	= DMA_SLAVE_BUSWIDTH_2_BYTES,
@@ -89,9 +107,8 @@ static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_mic_mono_in = {
 	.filter_data	= &pxa2xx_ac97_pcm_aux_mic_mono_req,
 };
 
-static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream,
-				 struct snd_pcm_hw_params *params,
-				 struct snd_soc_dai *cpu_dai)
+static int pxa2xx_ac97_hifi_startup(struct snd_pcm_substream *substream,
+				    struct snd_soc_dai *cpu_dai)
 {
 	struct snd_dmaengine_dai_dma_data *dma_data;
 
@@ -105,9 +122,8 @@ static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream,
-				     struct snd_pcm_hw_params *params,
-				     struct snd_soc_dai *cpu_dai)
+static int pxa2xx_ac97_aux_startup(struct snd_pcm_substream *substream,
+				   struct snd_soc_dai *cpu_dai)
 {
 	struct snd_dmaengine_dai_dma_data *dma_data;
 
@@ -121,9 +137,8 @@ static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream,
-				     struct snd_pcm_hw_params *params,
-				     struct snd_soc_dai *cpu_dai)
+static int pxa2xx_ac97_mic_startup(struct snd_pcm_substream *substream,
+				   struct snd_soc_dai *cpu_dai)
 {
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 		return -ENODEV;
@@ -139,15 +154,15 @@ static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream,
 		SNDRV_PCM_RATE_48000)
 
 static const struct snd_soc_dai_ops pxa_ac97_hifi_dai_ops = {
-	.hw_params	= pxa2xx_ac97_hw_params,
+	.startup	= pxa2xx_ac97_hifi_startup,
 };
 
 static const struct snd_soc_dai_ops pxa_ac97_aux_dai_ops = {
-	.hw_params	= pxa2xx_ac97_hw_aux_params,
+	.startup	= pxa2xx_ac97_aux_startup,
 };
 
 static const struct snd_soc_dai_ops pxa_ac97_mic_dai_ops = {
-	.hw_params	= pxa2xx_ac97_hw_mic_params,
+	.startup	= pxa2xx_ac97_mic_startup,
 };
 
 /*
diff --git a/sound/soc/pxa/pxa2xx-i2s.c b/sound/soc/pxa/pxa2xx-i2s.c
index 6b4e40036910..0389cf7b4b1e 100644
--- a/sound/soc/pxa/pxa2xx-i2s.c
+++ b/sound/soc/pxa/pxa2xx-i2s.c
@@ -319,6 +319,9 @@ static int pxa2xx_i2s_probe(struct snd_soc_dai *dai)
 	/* Along with FIFO servicing */
 	SAIMR &= ~(SAIMR_RFS | SAIMR_TFS);
 
+	snd_soc_dai_init_dma_data(dai, &pxa2xx_i2s_pcm_stereo_out,
+		&pxa2xx_i2s_pcm_stereo_in);
+
 	return 0;
 }
 
diff --git a/sound/soc/pxa/pxa2xx-pcm.c b/sound/soc/pxa/pxa2xx-pcm.c
index 831ee37d2e3e..9f390398d518 100644
--- a/sound/soc/pxa/pxa2xx-pcm.c
+++ b/sound/soc/pxa/pxa2xx-pcm.c
@@ -15,8 +15,6 @@
 #include <linux/dmaengine.h>
 #include <linux/of.h>
 
-#include <mach/dma.h>
-
 #include <sound/core.h>
 #include <sound/soc.h>
 #include <sound/pxa2xx-lib.h>
@@ -27,11 +25,8 @@
 static int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_hw_params *params)
 {
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct pxa2xx_runtime_data *prtd = runtime->private_data;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_dmaengine_dai_dma_data *dma;
-	int ret;
 
 	dma = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
 
@@ -40,40 +35,13 @@ static int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
 	if (!dma)
 		return 0;
 
-	/* this may get called several times by oss emulation
-	 * with different params */
-	if (prtd->params == NULL) {
-		prtd->params = dma;
-		ret = pxa_request_dma("name", DMA_PRIO_LOW,
-			      pxa2xx_pcm_dma_irq, substream);
-		if (ret < 0)
-			return ret;
-		prtd->dma_ch = ret;
-	} else if (prtd->params != dma) {
-		pxa_free_dma(prtd->dma_ch);
-		prtd->params = dma;
-		ret = pxa_request_dma("name", DMA_PRIO_LOW,
-			      pxa2xx_pcm_dma_irq, substream);
-		if (ret < 0)
-			return ret;
-		prtd->dma_ch = ret;
-	}
-
 	return __pxa2xx_pcm_hw_params(substream, params);
 }
 
 static int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream)
 {
-	struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;
-
 	__pxa2xx_pcm_hw_free(substream);
 
-	if (prtd->dma_ch >= 0) {
-		pxa_free_dma(prtd->dma_ch);
-		prtd->dma_ch = -1;
-		prtd->params = NULL;
-	}
-
 	return 0;
 }
 
@@ -132,6 +100,7 @@ static const struct of_device_id snd_soc_pxa_audio_match[] = {
 	{ .compatible   = "mrvl,pxa-pcm-audio" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, snd_soc_pxa_audio_match);
 #endif
 
 static struct platform_driver pxa_pcm_driver = {
diff --git a/sound/soc/pxa/spitz.c b/sound/soc/pxa/spitz.c
index 461123ad5ff2..b00222620fd0 100644
--- a/sound/soc/pxa/spitz.c
+++ b/sound/soc/pxa/spitz.c
@@ -305,7 +305,7 @@ static int spitz_probe(struct platform_device *pdev)
 
 	card->dev = &pdev->dev;
 
-	ret = snd_soc_register_card(card);
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret) {
 		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
 			ret);
@@ -322,9 +322,6 @@ err1:
 
 static int spitz_remove(struct platform_device *pdev)
 {
-	struct snd_soc_card *card = platform_get_drvdata(pdev);
-
-	snd_soc_unregister_card(card);
 	gpio_free(spitz_mic_gpio);
 	return 0;
 }
diff --git a/sound/soc/pxa/tosa.c b/sound/soc/pxa/tosa.c
index f59f566551ef..49518dd642aa 100644
--- a/sound/soc/pxa/tosa.c
+++ b/sound/soc/pxa/tosa.c
@@ -233,7 +233,7 @@ static int tosa_probe(struct platform_device *pdev)
 
 	card->dev = &pdev->dev;
 
-	ret = snd_soc_register_card(card);
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret) {
 		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
 			ret);
@@ -244,10 +244,7 @@ static int tosa_probe(struct platform_device *pdev)
 
 static int tosa_remove(struct platform_device *pdev)
 {
-	struct snd_soc_card *card = platform_get_drvdata(pdev);
-
 	gpio_free(TOSA_GPIO_L_MUTE);
-	snd_soc_unregister_card(card);
 	return 0;
 }
 
diff --git a/sound/soc/pxa/ttc-dkb.c b/sound/soc/pxa/ttc-dkb.c
index 1753c7d9e760..65c20f779177 100644
--- a/sound/soc/pxa/ttc-dkb.c
+++ b/sound/soc/pxa/ttc-dkb.c
@@ -128,7 +128,7 @@ static int ttc_dkb_probe(struct platform_device *pdev)
 
 	card->dev = &pdev->dev;
 
-	ret = snd_soc_register_card(card);
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret)
 		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
 			ret);
@@ -136,22 +136,12 @@ static int ttc_dkb_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static int ttc_dkb_remove(struct platform_device *pdev)
-{
-	struct snd_soc_card *card = platform_get_drvdata(pdev);
-
-	snd_soc_unregister_card(card);
-
-	return 0;
-}
-
 static struct platform_driver ttc_dkb_driver = {
 	.driver		= {
 		.name	= "ttc-dkb-audio",
 		.pm     = &snd_soc_pm_ops,
 	},
 	.probe		= ttc_dkb_probe,
-	.remove		= ttc_dkb_remove,
 };
 
 module_platform_driver(ttc_dkb_driver);