diff --git a/drivers/mfd/davinci_voicecodec.c b/drivers/mfd/davinci_voicecodec.c
index b6e297363946..fb64398506e9 100644
--- a/drivers/mfd/davinci_voicecodec.c
+++ b/drivers/mfd/davinci_voicecodec.c
@@ -46,7 +46,7 @@ void davinci_vc_write(struct davinci_vc *davinci_vc,
 static int __init davinci_vc_probe(struct platform_device *pdev)
 {
 	struct davinci_vc *davinci_vc;
-	struct resource *res, *mem;
+	struct resource *res;
 	struct mfd_cell *cell = NULL;
 	int ret;
 
@@ -58,7 +58,7 @@ static int __init davinci_vc_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
-	davinci_vc->clk = clk_get(&pdev->dev, NULL);
+	davinci_vc->clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(davinci_vc->clk)) {
 		dev_dbg(&pdev->dev,
 			    "could not get the clock for voice codec\n");
@@ -67,35 +67,18 @@ static int __init davinci_vc_probe(struct platform_device *pdev)
 	clk_enable(davinci_vc->clk);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "no mem resource\n");
-		ret = -ENODEV;
-		goto fail2;
-	}
 
-	davinci_vc->pbase = res->start;
-	davinci_vc->base_size = resource_size(res);
-
-	mem = request_mem_region(davinci_vc->pbase, davinci_vc->base_size,
-				 pdev->name);
-	if (!mem) {
-		dev_err(&pdev->dev, "VCIF region already claimed\n");
-		ret = -EBUSY;
-		goto fail2;
-	}
-
-	davinci_vc->base = ioremap(davinci_vc->pbase, davinci_vc->base_size);
-	if (!davinci_vc->base) {
-		dev_err(&pdev->dev, "can't ioremap mem resource.\n");
-		ret = -ENOMEM;
-		goto fail3;
+	davinci_vc->base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(davinci_vc->base)) {
+		ret = PTR_ERR(davinci_vc->base);
+		goto fail;
 	}
 
 	res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
 	if (!res) {
 		dev_err(&pdev->dev, "no DMA resource\n");
 		ret = -ENXIO;
-		goto fail4;
+		goto fail;
 	}
 
 	davinci_vc->davinci_vcif.dma_tx_channel = res->start;
@@ -106,7 +89,7 @@ static int __init davinci_vc_probe(struct platform_device *pdev)
 	if (!res) {
 		dev_err(&pdev->dev, "no DMA resource\n");
 		ret = -ENXIO;
-		goto fail4;
+		goto fail;
 	}
 
 	davinci_vc->davinci_vcif.dma_rx_channel = res->start;
@@ -132,19 +115,13 @@ static int __init davinci_vc_probe(struct platform_device *pdev)
 			      DAVINCI_VC_CELLS, NULL, 0, NULL);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "fail to register client devices\n");
-		goto fail4;
+		goto fail;
 	}
 
 	return 0;
 
-fail4:
-	iounmap(davinci_vc->base);
-fail3:
-	release_mem_region(davinci_vc->pbase, davinci_vc->base_size);
-fail2:
+fail:
 	clk_disable(davinci_vc->clk);
-	clk_put(davinci_vc->clk);
-	davinci_vc->clk = NULL;
 
 	return ret;
 }
@@ -155,12 +132,7 @@ static int davinci_vc_remove(struct platform_device *pdev)
 
 	mfd_remove_devices(&pdev->dev);
 
-	iounmap(davinci_vc->base);
-	release_mem_region(davinci_vc->pbase, davinci_vc->base_size);
-
 	clk_disable(davinci_vc->clk);
-	clk_put(davinci_vc->clk);
-	davinci_vc->clk = NULL;
 
 	return 0;
 }
diff --git a/drivers/mfd/htc-egpio.c b/drivers/mfd/htc-egpio.c
index f2e0ad4b332e..26aca545084b 100644
--- a/drivers/mfd/htc-egpio.c
+++ b/drivers/mfd/htc-egpio.c
@@ -286,7 +286,8 @@ static int __init egpio_probe(struct platform_device *pdev)
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res)
 		goto fail;
-	ei->base_addr = ioremap_nocache(res->start, resource_size(res));
+	ei->base_addr = devm_ioremap_nocache(&pdev->dev, res->start,
+					     resource_size(res));
 	if (!ei->base_addr)
 		goto fail;
 	pr_debug("EGPIO phys=%08x virt=%p\n", (u32)res->start, ei->base_addr);
@@ -380,7 +381,6 @@ static int __exit egpio_remove(struct platform_device *pdev)
 		irq_set_chained_handler(ei->chained_irq, NULL);
 		device_init_wakeup(&pdev->dev, 0);
 	}
-	iounmap(ei->base_addr);
 
 	return 0;
 }
diff --git a/include/linux/mfd/davinci_voicecodec.h b/include/linux/mfd/davinci_voicecodec.h
index 0ab61320ffa8..94c53d4819c7 100644
--- a/include/linux/mfd/davinci_voicecodec.h
+++ b/include/linux/mfd/davinci_voicecodec.h
@@ -112,8 +112,6 @@ struct davinci_vc {
 
 	/* Memory resources */
 	void __iomem *base;
-	resource_size_t pbase;
-	size_t base_size;
 
 	/* MFD cells */
 	struct mfd_cell cells[DAVINCI_VC_CELLS];