X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=kernel%2Fsound%2Fsoc%2Fpxa%2Fpxa2xx-pcm.c;h=9f390398d518046ebd336a5834ef8207bd283e36;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=a51c9da66614932bfab865d5e39635bfbe36a353;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git

diff --git a/kernel/sound/soc/pxa/pxa2xx-pcm.c b/kernel/sound/soc/pxa/pxa2xx-pcm.c
index a51c9da66..9f390398d 100644
--- a/kernel/sound/soc/pxa/pxa2xx-pcm.c
+++ b/kernel/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;
 }
 
@@ -124,13 +92,7 @@ static struct snd_soc_platform_driver pxa2xx_soc_platform = {
 
 static int pxa2xx_soc_platform_probe(struct platform_device *pdev)
 {
-	return snd_soc_register_platform(&pdev->dev, &pxa2xx_soc_platform);
-}
-
-static int pxa2xx_soc_platform_remove(struct platform_device *pdev)
-{
-	snd_soc_unregister_platform(&pdev->dev);
-	return 0;
+	return devm_snd_soc_register_platform(&pdev->dev, &pxa2xx_soc_platform);
 }
 
 #ifdef CONFIG_OF
@@ -138,6 +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 = {
@@ -147,7 +110,6 @@ static struct platform_driver pxa_pcm_driver = {
 	},
 
 	.probe = pxa2xx_soc_platform_probe,
-	.remove = pxa2xx_soc_platform_remove,
 };
 
 module_platform_driver(pxa_pcm_driver);