2 files changed, 40 insertions, 83 deletions

diff --git a/sound/soc/ep93xx/ep93xx-ac97.c b/sound/soc/ep93xx/ep93xx-ac97.c
index 0678637abd66..bdffab33e160 100644
--- a/sound/soc/ep93xx/ep93xx-ac97.c
+++ b/sound/soc/ep93xx/ep93xx-ac97.c
@@ -87,17 +87,13 @@
  * struct ep93xx_ac97_info - EP93xx AC97 controller info structure
  * @lock: mutex serializing access to the bus (slot 1 & 2 ops)
  * @dev: pointer to the platform device dev structure
- * @mem: physical memory resource for the registers
  * @regs: mapped AC97 controller registers
- * @irq: AC97 interrupt number
  * @done: bus ops wait here for an interrupt
  */
 struct ep93xx_ac97_info {
 	struct mutex		lock;
 	struct device		*dev;
-	struct resource		*mem;
 	void __iomem		*regs;
-	int			irq;
 	struct completion	done;
 };
 
@@ -359,66 +355,50 @@ static struct snd_soc_dai_driver ep93xx_ac97_dai = {
 static int __devinit ep93xx_ac97_probe(struct platform_device *pdev)
 {
 	struct ep93xx_ac97_info *info;
+	struct resource *res;
+	unsigned int irq;
 	int ret;
 
-	info = kzalloc(sizeof(struct ep93xx_ac97_info), GFP_KERNEL);
+	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
 	if (!info)
 		return -ENOMEM;
 
-	dev_set_drvdata(&pdev->dev, info);
-
-	mutex_init(&info->lock);
-	init_completion(&info->done);
-	info->dev = &pdev->dev;
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -ENODEV;
 
-	info->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!info->mem) {
-		ret = -ENXIO;
-		goto fail_free_info;
-	}
+	info->regs = devm_request_and_ioremap(&pdev->dev, res);
+	if (!info->regs)
+		return -ENXIO;
 
-	info->irq = platform_get_irq(pdev, 0);
-	if (!info->irq) {
-		ret = -ENXIO;
-		goto fail_free_info;
-	}
+	irq = platform_get_irq(pdev, 0);
+	if (!irq)
+		return -ENODEV;
 
-	if (!request_mem_region(info->mem->start, resource_size(info->mem),
-				pdev->name)) {
-		ret = -EBUSY;
-		goto fail_free_info;
-	}
+	ret = devm_request_irq(&pdev->dev, irq, ep93xx_ac97_interrupt,
+			       IRQF_TRIGGER_HIGH, pdev->name, info);
+	if (ret)
+		goto fail;
 
-	info->regs = ioremap(info->mem->start, resource_size(info->mem));
-	if (!info->regs) {
-		ret = -ENOMEM;
-		goto fail_release_mem;
-	}
+	dev_set_drvdata(&pdev->dev, info);
 
-	ret = request_irq(info->irq, ep93xx_ac97_interrupt, IRQF_TRIGGER_HIGH,
-			  pdev->name, info);
-	if (ret)
-		goto fail_unmap_mem;
+	mutex_init(&info->lock);
+	init_completion(&info->done);
+	info->dev = &pdev->dev;
 
 	ep93xx_ac97_info = info;
 	platform_set_drvdata(pdev, info);
 
 	ret = snd_soc_register_dai(&pdev->dev, &ep93xx_ac97_dai);
 	if (ret)
-		goto fail_free_irq;
+		goto fail;
 
 	return 0;
 
-fail_free_irq:
+fail:
 	platform_set_drvdata(pdev, NULL);
-	free_irq(info->irq, info);
-fail_unmap_mem:
-	iounmap(info->regs);
-fail_release_mem:
-	release_mem_region(info->mem->start, resource_size(info->mem));
-fail_free_info:
-	kfree(info);
-
+	ep93xx_ac97_info = NULL;
+	dev_set_drvdata(&pdev->dev, NULL);
 	return ret;
 }
 
@@ -431,11 +411,9 @@ static int __devexit ep93xx_ac97_remove(struct platform_device *pdev)
 	/* disable the AC97 controller */
 	ep93xx_ac97_write_reg(info, AC97GCR, 0);
 
-	free_irq(info->irq, info);
-	iounmap(info->regs);
-	release_mem_region(info->mem->start, resource_size(info->mem));
 	platform_set_drvdata(pdev, NULL);
-	kfree(info);
+	ep93xx_ac97_info = NULL;
+	dev_set_drvdata(&pdev->dev, NULL);
 
 	return 0;
 }
diff --git a/sound/soc/ep93xx/ep93xx-i2s.c b/sound/soc/ep93xx/ep93xx-i2s.c
index f7a62348e3fe..8df8f6dc474f 100644
--- a/sound/soc/ep93xx/ep93xx-i2s.c
+++ b/sound/soc/ep93xx/ep93xx-i2s.c
@@ -63,7 +63,6 @@ struct ep93xx_i2s_info {
 	struct clk			*sclk;
 	struct clk			*lrclk;
 	struct ep93xx_pcm_dma_params	*dma_params;
-	struct resource			*mem;
 	void __iomem			*regs;
 };
 
@@ -373,38 +372,22 @@ static int ep93xx_i2s_probe(struct platform_device *pdev)
 	struct resource *res;
 	int err;
 
-	info = kzalloc(sizeof(struct ep93xx_i2s_info), GFP_KERNEL);
-	if (!info) {
-		err = -ENOMEM;
-		goto fail;
-	}
-
-	dev_set_drvdata(&pdev->dev, info);
-	info->dma_params = ep93xx_i2s_dma_params;
+	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		err = -ENODEV;
-		goto fail_free_info;
-	}
+	if (!res)
+		return -ENODEV;
 
-	info->mem = request_mem_region(res->start, resource_size(res),
-				       pdev->name);
-	if (!info->mem) {
-		err = -EBUSY;
-		goto fail_free_info;
-	}
-
-	info->regs = ioremap(info->mem->start, resource_size(info->mem));
-	if (!info->regs) {
-		err = -ENXIO;
-		goto fail_release_mem;
-	}
+	info->regs = devm_request_and_ioremap(&pdev->dev, res);
+	if (!info->regs)
+		return -ENXIO;
 
 	info->mclk = clk_get(&pdev->dev, "mclk");
 	if (IS_ERR(info->mclk)) {
 		err = PTR_ERR(info->mclk);
-		goto fail_unmap_mem;
+		goto fail;
 	}
 
 	info->sclk = clk_get(&pdev->dev, "sclk");
@@ -419,6 +402,9 @@ static int ep93xx_i2s_probe(struct platform_device *pdev)
 		goto fail_put_sclk;
 	}
 
+	dev_set_drvdata(&pdev->dev, info);
+	info->dma_params = ep93xx_i2s_dma_params;
+
 	err = snd_soc_register_dai(&pdev->dev, &ep93xx_i2s_dai);
 	if (err)
 		goto fail_put_lrclk;
@@ -426,17 +412,12 @@ static int ep93xx_i2s_probe(struct platform_device *pdev)
 	return 0;
 
 fail_put_lrclk:
+	dev_set_drvdata(&pdev->dev, NULL);
 	clk_put(info->lrclk);
 fail_put_sclk:
 	clk_put(info->sclk);
 fail_put_mclk:
 	clk_put(info->mclk);
-fail_unmap_mem:
-	iounmap(info->regs);
-fail_release_mem:
-	release_mem_region(info->mem->start, resource_size(info->mem));
-fail_free_info:
-	kfree(info);
 fail:
 	return err;
 }
@@ -446,12 +427,10 @@ static int __devexit ep93xx_i2s_remove(struct platform_device *pdev)
 	struct ep93xx_i2s_info *info = dev_get_drvdata(&pdev->dev);
 
 	snd_soc_unregister_dai(&pdev->dev);
+	dev_set_drvdata(&pdev->dev, NULL);
 	clk_put(info->lrclk);
 	clk_put(info->sclk);
 	clk_put(info->mclk);
-	iounmap(info->regs);
-	release_mem_region(info->mem->start, resource_size(info->mem));
-	kfree(info);
 	return 0;
 }