1 files changed, 16 insertions, 41 deletions

diff --git a/sound/soc/au1x/psc-i2s.c b/sound/soc/au1x/psc-i2s.c
index e03c5ce..0607ba3 100644
--- a/sound/soc/au1x/psc-i2s.c
+++ b/sound/soc/au1x/psc-i2s.c
@@ -265,7 +265,7 @@ static int au1xpsc_i2s_startup(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static struct snd_soc_dai_ops au1xpsc_i2s_dai_ops = {
+static const struct snd_soc_dai_ops au1xpsc_i2s_dai_ops = {
 	.startup	= au1xpsc_i2s_startup,
 	.trigger	= au1xpsc_i2s_trigger,
 	.hw_params	= au1xpsc_i2s_hw_params,
@@ -295,33 +295,34 @@ static int __devinit au1xpsc_i2s_drvprobe(struct platform_device *pdev)
 	int ret;
 	struct au1xpsc_audio_data *wd;
 
-	wd = kzalloc(sizeof(struct au1xpsc_audio_data), GFP_KERNEL);
+	wd = devm_kzalloc(&pdev->dev, sizeof(struct au1xpsc_audio_data),
+			  GFP_KERNEL);
 	if (!wd)
 		return -ENOMEM;
 
 	iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!iores) {
-		ret = -ENODEV;
-		goto out0;
-	}
+	if (!iores)
+		return -ENODEV;
 
 	ret = -EBUSY;
-	if (!request_mem_region(iores->start, resource_size(iores),
-				pdev->name))
-		goto out0;
+	if (!devm_request_mem_region(&pdev->dev, iores->start,
+				     resource_size(iores),
+				     pdev->name))
+		return -EBUSY;
 
-	wd->mmio = ioremap(iores->start, resource_size(iores));
+	wd->mmio = devm_ioremap(&pdev->dev, iores->start,
+				resource_size(iores));
 	if (!wd->mmio)
-		goto out1;
+		return -EBUSY;
 
 	dmares = platform_get_resource(pdev, IORESOURCE_DMA, 0);
 	if (!dmares)
-		goto out2;
+		return -EBUSY;
 	wd->dmaids[SNDRV_PCM_STREAM_PLAYBACK] = dmares->start;
 
 	dmares = platform_get_resource(pdev, IORESOURCE_DMA, 1);
 	if (!dmares)
-		goto out2;
+		return -EBUSY;
 	wd->dmaids[SNDRV_PCM_STREAM_CAPTURE] = dmares->start;
 
 	/* preserve PSC clock source set up by platform (dev.platform_data
@@ -349,23 +350,12 @@ static int __devinit au1xpsc_i2s_drvprobe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, wd);
 
-	ret = snd_soc_register_dai(&pdev->dev, &wd->dai_drv);
-	if (!ret)
-		return 0;
-
-out2:
-	iounmap(wd->mmio);
-out1:
-	release_mem_region(iores->start, resource_size(iores));
-out0:
-	kfree(wd);
-	return ret;
+	return snd_soc_register_dai(&pdev->dev, &wd->dai_drv);
 }
 
 static int __devexit au1xpsc_i2s_drvremove(struct platform_device *pdev)
 {
 	struct au1xpsc_audio_data *wd = platform_get_drvdata(pdev);
-	struct resource *r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 
 	snd_soc_unregister_dai(&pdev->dev);
 
@@ -374,10 +364,6 @@ static int __devexit au1xpsc_i2s_drvremove(struct platform_device *pdev)
 	au_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
 	au_sync();
 
-	iounmap(wd->mmio);
-	release_mem_region(r->start, resource_size(r));
-	kfree(wd);
-
 	return 0;
 }
 
@@ -435,18 +421,7 @@ static struct platform_driver au1xpsc_i2s_driver = {
 	.remove		= __devexit_p(au1xpsc_i2s_drvremove),
 };
 
-static int __init au1xpsc_i2s_load(void)
-{
-	return platform_driver_register(&au1xpsc_i2s_driver);
-}
-
-static void __exit au1xpsc_i2s_unload(void)
-{
-	platform_driver_unregister(&au1xpsc_i2s_driver);
-}
-
-module_init(au1xpsc_i2s_load);
-module_exit(au1xpsc_i2s_unload);
+module_platform_driver(au1xpsc_i2s_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Au12x0/Au1550 PSC I2S ALSA ASoC audio driver");